CN115442732A - Channel mapping method, device, vehicle-mounted playback device, vehicle and storage medium - Google Patents

Abstract

The disclosure relates to a sound channel mapping method, a sound channel mapping device, a vehicle-mounted playing device and a storage medium, which can solve the problem that the sound direction sense of panoramic sound audio is seriously lost in a front row playing mode or a rear row playing mode of a vehicle. The method comprises the following steps: determining a playing mapping relation of the vehicle-mounted playing device according to the target playing mode, wherein in the front-row playing mode, the playing mapping relation comprises the following steps: mapping a first left parameter sound channel of panoramic sound audio to a second left parameter sound channel arranged at the front row of the vehicle, and mapping a first right parameter sound channel of the panoramic sound audio to a second right parameter sound channel arranged at the front row of the vehicle; in the back-row play mode, the play mapping relationship includes: the first left parameter channel is mapped to a third left parameter channel disposed on a rear row of the vehicle, and the first right parameter channel is mapped to a third right parameter channel disposed on the rear row of the vehicle.

Description

Channel mapping method, device, vehicle-mounted playback device, vehicle and storage medium

technical field

The present disclosure relates to the technical field of smart cars, and in particular to a channel mapping method and device, a vehicle playback device, a vehicle and a storage medium.

Background technique

With the continuous increase of car functions, people's requirements for cars are no longer just a means of transportation, and more entertainment devices have been introduced into the car system. Among them, car playback devices are loved by the majority of users.

However, with the continuous optimization of car playback equipment, simple playback of audio signals throughout the car can no longer meet the needs of users. Therefore, existing cars are usually divided into front-row playback mode and rear-row playback mode, that is, the front-row playback mode only works on the sound channel set in the front row of the vehicle, and the sound channel set in the rear row of the vehicle does not work, so as to realize the audio playback in the front row Signal, the function of providing a relatively quiet space in the rear row. On the contrary, in the rear playback mode, the audio channel set in the rear row of the vehicle works, and the audio channel set in the front row of the vehicle does not work, so as to realize the function of playing audio signals in the rear row and providing a relatively quiet space in the front row.

At present, the panoramic sound playback effect can be achieved when playing the panoramic sound audio in the full car playback mode, but the sound orientation of the panoramic sound audio will be seriously lost in the front row playback mode or the rear row playback mode.

Contents of the invention

The present disclosure provides a channel mapping method, device, vehicle-mounted playback device, vehicle and storage medium, which can comprehensively diagnose vehicle faults, so as to solve the problem of panoramic sound in the prior art when the vehicle is in the front-row playback mode or the rear-row playback mode. There is a serious problem with the loss of sound orientation of the audio.

According to the first aspect of the embodiment of the present application, a channel mapping method is provided, which is applied to a vehicle-mounted playback device, and the method includes: acquiring a target playback mode of the vehicle-mounted playback device; determining a playback mapping relationship of the vehicle-mounted playback device according to the target playback mode, The playback mapping relationship is used to indicate the corresponding relationship between the sound channel of the panoramic sound audio and the sound channel of the vehicle-mounted playback device; based on the playback mapping relationship, the vehicle-mounted playback device is controlled to play the panoramic sound audio;

Wherein, when the target playback mode is the front row playback mode, the playback mapping relationship includes:

The first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel set in the front row of the vehicle in the car playback device, and the first right parametric channel of the panoramic sound audio is mapped to the car playback device set in the front row of the vehicle The second right parametric channel of , wherein the second left parametric channel includes at least the left front door channel, and the second right parametric channel includes at least the right front door channel; or,

In the case where the target playback mode is the back row playback mode, the playback mapping relationship includes:

The first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, and the first right parameter sound channel is mapped to the third right parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, Wherein, the third left parametric channel at least includes the left rear channel, and the third right parametric channel at least includes the right rear channel.

Optionally, when the target playback mode is the front-row playback mode, the playback mapping relationship further includes:

If the first center channel is set in the front row of the vehicle, the center channel of the Atmos audio is mapped to the first center channel; if the center channel is not set in the front row of the vehicle, the center channel of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship further includes:

If the first subwoofer channel is set in the front row of the vehicle, the subwoofer channel of the Atmos audio is mapped to the first subwoofer channel; if the subwoofer channel is not set in the front row of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, the second left parametric channel also includes a left front 3D channel, and the first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel arranged in the front row of the vehicle in the vehicle playback device, including: the first The left 3D channel in the left parametric channel is mapped to the left front 3D channel in the second left parametric channel; the second right parametric channel also includes the right front 3D channel, and the first right parametric channel of the Atmos audio is mapped to The second right parametric channel set in the front row of the vehicle in the vehicle-mounted playback device includes: mapping the right 3D channel of the first right parametric channel to the right front 3D channel of the second right parametric channel.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second subwoofer channel is set in the rear of the vehicle, the subwoofer channel of the Atmos audio is mapped to the second subwoofer channel; if the subwoofer channel is not set in the rear of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second center channel is set in the rear of the vehicle, the center channel of the Atmos audio is mapped to the second center channel; if the center channel is not set in the rear of the vehicle, the center channel of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, the third left parameter sound channel also includes a left rear 3D sound channel, and the first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter sound channel The left 3D channel in the channel is mapped to the left rear 3D channel in the third left parameter channel; the third right parameter channel also includes the right rear 3D channel, and the first right parameter channel is mapped to the setting in the car playback device The third right parametric channel in the rear row of the vehicle includes: mapping the right 3D channel in the first right parametric channel to the right rear 3D channel in the third right parametric channel.

Optionally, the third left parameter channel also includes a left rear surround channel, and the first left parameter channel is mapped to the third left parameter channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter channel The left parameter surround channel in the channel is mapped to the left rear surround channel in the third left parameter channel; the third right parameter channel also includes the right rear surround channel, and the first right parameter channel is mapped to the car playback device The third right parametric channel set in the rear row of the vehicle includes: the right parametric surround channel in the first right parametric channel is mapped to the right rear surround channel in the third right parametric channel.

Optionally, the left parametric surround channel is the left back surround channel, and the right parametric surround channel is the right back surround channel; the left surround channel in the first left parametric channel is mapped to the left back door channel, and the first right The right surround channel in the parameter channel is mapped to the right rear channel.

The second aspect of the embodiment of the present application provides a channel mapping device, the device includes: an acquisition module, a determination module and a control module; the acquisition module is used to acquire the target playback mode of the vehicle-mounted playback device; the determination module is used to According to the target playback mode, the playback mapping relationship of the vehicle playback device is determined, and the playback mapping relationship is used to indicate the corresponding relationship between the channel of the panoramic sound audio and the channel of the vehicle playback device; the control module is used to control based on the playback mapping relationship The in-vehicle playback device plays the panoramic sound audio;

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship includes:

The first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel set in the front row of the vehicle in the car playback device, and the first right parametric channel of the panoramic sound audio is mapped to the car playback device set in the front row of the vehicle The second right parametric channel of , wherein the second left parametric channel includes at least the left front door channel, and the second right parametric channel includes at least the right front door channel; or,

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship includes:

The first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, and the first right parameter sound channel is mapped to the third right parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, Wherein, the third left parametric channel at least includes the left rear channel, and the third right parametric channel at least includes the right rear channel.

Optionally, when the target playback mode is the front-row playback mode, the playback mapping relationship further includes:

If the first center channel is set in the front row of the vehicle, the center channel of the Atmos audio is mapped to the first center channel; if the center channel is not set in the front row of the vehicle, the center channel of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship further includes:

If the first subwoofer channel is set in the front row of the vehicle, the subwoofer channel of the Atmos audio is mapped to the first subwoofer channel; if the subwoofer channel is not set in the front row of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, the second left parametric channel also includes a left front 3D channel, and the first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel arranged in the front row of the vehicle in the vehicle playback device, including: the first The left 3D channel in the left parametric channel is mapped to the left front 3D channel in the second left parametric channel; the second right parametric channel also includes the right front 3D channel, and the first right parametric channel of the Atmos audio is mapped to The second right parametric channel set in the front row of the vehicle in the vehicle-mounted playback device includes: mapping the right 3D channel of the first right parametric channel to the right front 3D channel of the second right parametric channel.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second subwoofer channel is set in the rear of the vehicle, the subwoofer channel of the Atmos audio is mapped to the second subwoofer channel; if the subwoofer channel is not set in the rear of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second center channel is set in the rear of the vehicle, the center channel of the Atmos audio is mapped to the second center channel; if the center channel is not set in the rear of the vehicle, the center channel of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, the third left parameter sound channel also includes a left rear 3D sound channel, and the first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter sound channel The left 3D channel in the channel is mapped to the left rear 3D channel in the third left parameter channel; the third right parameter channel also includes the right rear 3D channel, and the first right parameter channel is mapped to the setting in the car playback device The third right parametric channel in the rear row of the vehicle includes: mapping the right 3D channel in the first right parametric channel to the right rear 3D channel in the third right parametric channel.

Optionally, the third left parameter channel also includes a left rear surround channel, and the first left parameter channel is mapped to the third left parameter channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter channel The left parameter surround channel in the channel is mapped to the left rear surround channel in the third left parameter channel; the third right parameter channel also includes the right rear surround channel, and the first right parameter channel is mapped to the car playback device The third right parametric channel set in the rear row of the vehicle includes: the right parametric surround channel in the first right parametric channel is mapped to the right rear surround channel in the third right parametric channel.

Optionally, the left parametric surround channel is the left back surround channel, and the right parametric surround channel is the right back surround channel; the left surround channel in the first left parametric channel is mapped to the left back door channel, and the first right The right surround channel in the parameter channel is mapped to the right rear channel.

The third aspect of the embodiment of the present application provides a vehicle-mounted playback device, which includes a processor, a player, a memory, and a program or instruction stored in the memory and operable on the processor. The program or When the instructions are executed by the processor, the steps of the channel mapping method as described in the first aspect are implemented.

A fourth aspect of the embodiments of the present application provides a vehicle, including the vehicle-mounted playback device described in the third aspect above, and a speaker corresponding to each sound channel of the vehicle-mounted playback device.

The fifth aspect of the embodiments of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, the channel mapping method as described in the first aspect is implemented. step.

A sixth aspect of the embodiments of the present application provides a computer program product, wherein the computer program product includes a computer program or an instruction, and when the computer program product is run on a processor, the processor is made to execute the computer program or instruction, The steps of implementing the channel mapping method as described in the first aspect.

The seventh aspect of the embodiments of the present application provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the Steps of the channel mapping method.

Compared with the prior art, the technical solutions provided by the embodiments of the present application have the following advantages:

In the embodiment of the present application, in the front-row playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the second left parameter channel set in the front row of the vehicle in the vehicle-mounted playback device. , the first right parametric channel of the panoramic sound audio can be played through the second right parametric channel set in the front row of the vehicle in the car playback device, therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio and the first right parametric channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

In the embodiment of the present application, in the rear playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the third right parameter channel set in the rear row of the vehicle in the vehicle-mounted playback device. , the first right parametric channel of the panoramic sound audio can be played through the third right parametric channel set in the rear row of the vehicle in the car playback device. Therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio and the first right parametric channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings without paying creative labor.

FIG. 1 is a schematic flowchart of a channel mapping method provided by the present disclosure;

FIG. 2 is one of the schematic diagrams of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 3 is the second schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 4 is the third schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 5 is the fourth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 6 is the fifth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 7 is the sixth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 8 is the seventh schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 9 is the eighth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 10 is a ninth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 11 is a tenth schematic diagram of the channel mapping relationship of the channel mapping method provided by the present disclosure;

FIG. 12 is a schematic structural diagram of a channel mapping device provided by the present disclosure;

FIG. 13 is a schematic diagram of a hardware structure of a vehicle-mounted playback device provided by the present disclosure.

detailed description

In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present disclosure, but the present disclosure can also be implemented in other ways than described here; obviously, the embodiments in the description are only some of the embodiments of the present disclosure, and Not all examples. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments in this application belong to the protection scope of this application.

The terms "first", "second" and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific sequence or sequence. It should be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application can be practiced in sequences other than those illustrated or described herein, and that references to "first," "second," etc. distinguish Objects are generally of one type, and the number of objects is not limited. For example, there may be one or more first objects. In addition, "and/or" in the specification and claims means at least one of the connected objects, and the character "/" generally means that the related objects are an "or" relationship.

Firstly, some nouns or terms involved in the claims and description of the present invention will be explained below.

Downmixing: Atmos or multi-channel audio in other formats, the content between the channels is merged to ensure that the content is less lost after the merger.

Atmospheric sound audio: refers to multi-channel audio, which can at least analyze the audio signals of the first left parametric channel and the first right parametric channel, wherein the first left parametric channel includes at least two left parametric channels, and the first The right parametric channels include at least two right parametric channels.

Atmos playback: It means that the sound is not output according to the preset channel, but according to the specific environment, after calculation by the decoder, specific certain channel output is specified according to the algorithm, so that the panorama playback retains the sense of direction of the sound , making the sound more three-dimensional, specific and realistic dynamic sound effects.

Loudspeaker: Commonly known as "horn", it is a transducer device that converts electrical signals into acoustic signals. The performance of the loudspeaker has a great influence on the sound quality.

5.1.2 Sound system: Among them, 5 represents 5 sound channels, including: left front door sound channel, right front door sound channel, center channel, left rear door sound channel, right rear door sound channel; 1 represents subwoofer sound channel ;2 represents 2 sound channels, including: left front 3D sound channel, right front 3D sound channel.

7.1.4 Sound system: Among them, 7 represents 7 sound channels, including: left front door sound channel, right front door sound channel, center channel, left rear door sound channel, right rear door sound channel, left rear surround sound channel, right Rear surround channel; 1 represents the subwoofer channel; 4 represents 4 channels, including: left front 3D channel, right front 3D channel, left rear 3D channel, right rear 3D channel.

7.3.4 Sound system: Among them, 7 represents 7 sound channels, including: left front door sound channel, right front door sound channel, center channel, left rear door sound channel, right rear door sound channel, left rear surround sound channel, right Rear surround channel; 3 represents 3 subwoofer channels; 4 represents 4 channels, including: left front 3D channel, right front 3D channel, left rear 3D channel, right rear 3D channel.

Audio channel: In the audio source, it refers to the independent audio signals collected or played back in different spatial positions when the sound is recorded or played; in the car playback device, it refers to the hardware channel and the audio output line.

Channel mapping: Send the specified channel audio to the specified hardware channel.

Wherein, in the vehicle-mounted playback device, each sound channel corresponds to at least one speaker. The following takes the 7.3.4 sound system as an example to illustrate the corresponding relationship between sound channels and speakers:

7.3.4 Left front channel, right front channel, center channel, left rear channel, right rear channel, left rear surround channel, right rear surround channel, left front 3D channel, right front in audio system Any one of the 3D sound channel, the left rear 3D sound channel, the right rear 3D sound channel, and each subwoofer sound channel may correspond to a group of speakers. Wherein, each group of speakers may include at least one speaker, which may be determined according to actual conditions, and is not limited here. If a group of speakers corresponding to a channel is a speaker, the speaker is used to play the audio signal corresponding to the channel; if a group of speakers corresponding to a channel is multiple speakers, each speaker can be used to play audio Parts of the signal in different registers. The greater the number of speakers corresponding to a channel, the finer the division of the audio signal corresponding to the channel. For example, if the left front door channel corresponds to 3 speakers, the 3 speakers are respectively used to play the part of the treble range, the part of the middle range and the part of the bass range in the audio signal corresponding to the left front door channel (the 3 speakers Then it is divided into treble zone, midrange zone and bass zone); if the left front door channel corresponds to 2 speakers, then the 2 speakers are used to play the part of the treble zone and the bass in the audio signal corresponding to the left front door channel Part of the zone (the two speakers are divided into high-pitched and low-pitched zones).

It should be noted that, in the vehicle-mounted playback device, each sound channel can be an independent sound output line, and the sound output line can transmit the audio signal corresponding to the sound channel, and each sound channel can also be subdivided into at least two sub-output line, the vehicle-mounted playback device will distribute the audio signal corresponding to the channel to obtain multiple sub-audio signals, and control each sub-output line to output the corresponding sub-audio signal; the details can be determined according to the actual use requirements, which are not mentioned here. Do limited.

Exemplarily, the speaker corresponding to the sound channel of the left front door can be installed in at least one of the following positions: the left front door, the left front door glass, the left A-pillar, and the left B-pillar; the speaker corresponding to the right front door audio channel can be installed in at least one of the following: Position: right front door, right front door glass, right A-pillar, right B-pillar; the speaker corresponding to the left rear door sound channel can be set in at least one of the following positions: left rear door, left rear door glass, left C-pillar, left D-pillar, left B-pillar; the speaker corresponding to the right rear door channel can be set in at least one of the following positions: right rear door, right rear door glass, right C-pillar, right D-pillar, right B-pillar; center channel The corresponding speaker can be installed in at least one of the following positions: IP station, front windshield; the speaker corresponding to the left rear surround channel can be installed in at least one of the following positions: left rear door, left rear door glass, left C-pillar, left Side D-pillar; the speaker corresponding to the right rear surround channel can be installed in at least one of the following positions: right rear door, right rear door glass, right C-pillar, right D-pillar; the speaker corresponding to the left front 3D channel can be installed in at least one of the following positions: One position: the upper end of the left front door, the upper end of the left front A-pillar, and the upper end of the left front B-pillar; the speaker corresponding to the right front 3D sound channel can be installed in at least one of the following positions: the upper end of the right front door, the upper end of the right A-pillar, and the upper end of the right B-pillar; The speaker corresponding to the left rear 3D channel can be installed in at least one of the following positions: the upper end of the left rear door, the upper end of the left C-pillar, and the upper end of the left D-pillar; the speaker corresponding to the right rear 3D channel can be installed in at least one of the following positions: The upper end of the right rear door, the upper end of the right C-pillar, and the upper end of the right D-pillar; the speakers corresponding to the three subwoofer channels are respectively installed in: left front area (such as left front door or left front door glass), right front area (such as right front door or right front door glass), trunk area. The positions of the speakers corresponding to each channel are not limited to the above-mentioned settings, and can be specifically set to other positions according to actual conditions.

The execution subject of the channel mapping method provided in the embodiment of the present application may be the above-mentioned vehicle-mounted playback device, or a functional module and/or functional entity capable of implementing the channel-mapping method in the vehicle-mounted playback device. Specifically, it may be based on actual conditions. The use requirements are determined, and the embodiment of this application does not make a limitation.

The channel mapping method provided by the embodiment of the present application will be described in detail below through specific embodiments with reference to the accompanying drawings.

As shown in FIG. 1 , the embodiment of the present application provides a method for channel mapping. The following takes the execution subject as an on-board playback device as an example to illustrate the channel mapping method provided in the embodiment of the present application. The method may include the following steps 101 to 103.

101. Obtain the target playback mode of the vehicle-mounted playback device.

Wherein, the vehicle-mounted playback device includes a player, and the player includes multiple speakers, and each channel corresponds to at least one speaker; the playback modes of the vehicle-mounted playback device include: front-row playback mode, rear-row playback mode, and full-vehicle playback mode.

102. Determine the playback mapping relationship of the vehicle-mounted playback device according to the target playback mode.

Wherein, the playback mapping relationship is used to indicate the corresponding relationship between the sound channel of the panoramic sound audio and the sound channel of the vehicle-mounted playback device.

Exemplarily, in the car playback device, when the whole car is playing, take the 7.1.4 audio system as an example, as shown in Figure 2, the left side is the channel of the panoramic sound audio, and the right side is the channel of the car playback device, The mapping relationship between the channels of the panoramic sound audio and the channels of the car playback device is: the left channel is mapped to the left front door channel, the right channel is mapped to the right front door channel, the center channel is mapped to the center channel, and the bass The cannon channel is mapped to the subwoofer channel, the left surround channel is mapped to the left rear channel, the right surround channel is mapped to the right rear channel, the left surround channel is mapped to the left rear channel, and the right rear channel is mapped to Mapped to right rear surround channel, left front 3D channel mapped to left front 3D channel, right front 3D channel mapped to right front 3D channel, left rear 3D channel mapped to left rear 3D channel, right rear 3D channel mapped to Right rear 3D channel.

It can be understood that the panoramic sound audio can be analyzed by the decoding device to obtain each channel, and the number of the analyzed channels is determined according to the audio system of the vehicle-mounted playback device installed in the vehicle, which is not limited in the embodiment of the present application. The channels analyzed by the panoramic sound audio correspond one-to-one to the channels included in the audio system of the vehicle playback device.

Exemplarily, the playback channels set by the 5.1.2 audio system in the vehicle playback device are: left front door sound channel, right front door sound channel, left rear door sound channel, right rear door sound channel, center channel, subwoofer sound channel , left front 3D channel, right front 3D channel, the corresponding panoramic sound audio channels can include: left channel, right channel, left surround, right surround, center channel, subwoofer channel, left front 3D channel and right front 3D channel. 7.1.4's audio system set playback channels on the basis of 5.1.2: left rear surround channel, right rear surround channel, left rear 3D channel, right rear 3D channel, corresponding to panoramic sound Audio channels can include: left channel, right channel, left surround, right surround, center channel, subwoofer channel, left front 3D channel, right front 3D channel, left rear 3D channel and right rear 3D sound channel, surround back left channel, and surround back right channel.

103. Based on the playback mapping relationship, control the vehicle-mounted playback device to play the panoramic sound audio.

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship includes:

The first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel set in the front row of the vehicle in the car playback device, and the first right parametric channel of the panoramic sound audio is mapped to the car playback device set in the front row of the vehicle The second right parametric channel, wherein the second left parametric channel includes at least the left front door channel, and the second right parametric channel includes at least the right front door channel.

Wherein, the first left parametric channel may be all left parametric channels in the panoramic sound audio. For example, when the panoramic sound audio corresponds to a 5.1.2 sound system, the first left parametric channel includes the left channel, and the left surround sound channel, left front 3D channel.

Wherein, the first right parametric channel can be all the right parametric channels in the panoramic sound audio, for example, when the panoramic sound audio corresponds to a 5.1.2 sound system, the first right parametric channel includes the right channel, and the right surround sound channel, right front 3D channel.

Optionally, after the content between at least two channels in the first left parameter channel is merged, it is played through one channel in the second left parameter channel, that is, the panoramic sound audio can be reduced by downmixing The sense of direction of the sound is lost.

Optionally, after the content between at least two channels in the first right parameter channel is merged, it is played through one channel in the second right parameter channel, that is, the panoramic sound audio can be reduced by downmixing The sense of direction of the sound is lost.

In the embodiment of the present application, in the front-row playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the second left parameter channel set in the front row of the vehicle in the vehicle-mounted playback device. , the first right parametric channel of the panoramic sound audio can be played through the second right parametric channel set in the front row of the vehicle in the car playback device, therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio and the first right parametric channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

In the embodiment of the present application, in the front-row playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the second left parameter channel set in the front row of the vehicle in the vehicle-mounted playback device. , the first right parametric channel of the panoramic sound audio can be played through the second right parametric channel set in the front row of the vehicle in the car playback device, therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio and the first right parametric channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

Optionally, in the above step 103, when the target playback mode is the front row playback mode, the playback mapping relationship further includes: if the center channel is not set in the front row of the vehicle, the center channel of the panoramic sound audio is mapped to Left and right front door channels.

Exemplarily, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle playback device is the front row playback mode, the mapping relationship between the sound channel of the panoramic sound audio and the channel of the vehicle playback device is: left The channel is mapped to the left front door channel, the right channel is mapped to the right front door channel, the center channel is mapped to the left and right front door channels, the left surround channel is mapped to the left front door channel, and the right surround channel Mapped to right front door channel, left rear surround channel mapped to left front door channel, right rear surround channel mapped to right front door channel, left front 3D channel mapped to left front door channel, right front 3D channel mapped to right front door channel, the left rear 3D channel is mapped to the left front door channel, the right rear 3D channel is mapped to the right front door channel, and the subwoofer channel is mapped to the left front door channel and the right front door channel.

Optionally, in the above step 103, when the target playback mode is the front row playback mode, the playback mapping relationship further includes: if the front row of the vehicle is provided with a first center channel, the center channel of the panoramic sound audio is mapped to the first center channel, the center channel of the Atmos audio is mapped to the first center channel.

Exemplarily, as shown in Figure 3, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the front-row playback mode, the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device The mapping relationship is: the left channel is mapped to the left front door channel, the right channel is mapped to the right front door channel, the center channel is mapped to the first center channel, the left surround channel is mapped to the left front door channel, and the right channel is mapped to the right front door channel. Surround channel mapped to right front door channel, left rear surround channel mapped to left front door channel, right rear surround channel mapped to right front door channel, left front 3D channel mapped to left front door channel, right front 3D channel mapped to the right front door channel, the left rear 3D channel is mapped to the left front door channel, the right rear 3D channel is mapped to the right front door channel, the subwoofer channel is mapped to the left front door channel and the right front door channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the front-row playback mode, if the first center channel is set in the front row of the vehicle, the center channel of the panoramic sound audio is mapped to the first center channel of the vehicle-mounted playback device. The first center channel; if the front row of the vehicle is not provided with the first center channel, the center channel of the panoramic sound audio is mapped to the left front door channel and the right front door channel of the car playback device; thus, it is ensured When the vehicle-mounted playback device is in the front-row playback mode, the content of the center channel in the panoramic sound audio channel is retained, thereby improving user experience.

It should be noted that the accompanying drawings 3 to 11 in the embodiment of the present application all take panoramic sound audio as an example, including: left channel, right channel, center channel, left surround channel, right surround channel, left Rear surround sound channel, right rear surround sound channel, subwoofer sound channel, left front 3D sound channel, right front 3D sound channel, left rear 3D sound channel, and right rear 3D sound channel are examples for illustration. Surround channel, left rear surround channel, left front 3D channel, left rear 3D channel is the first left parametric channel, right channel, right surround channel, right rear surround channel, right front 3D channel, right rear The 3D channel is the first right parametric channel.

Optionally, when the target playback mode of the vehicle-mounted playback device is the front row playback mode, the subwoofer channel in the panoramic sound audio can be mapped to the left front door channel, or can be mapped to the right front door channel, or both Maps to Front Left and Front Right channels.

Optionally, in the above step 103, when the target playback mode is the front row playback mode, the playback mapping relationship also includes: if the subwoofer channel is not set in the front row of the vehicle, the subwoofer channel of the panoramic sound audio is mapped to Left and right front door channels.

Exemplarily, as shown in FIG. 3, when the target playback mode of the vehicle-mounted playback device is the front-row playback mode, the mapping relationship between the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device is: the left channel is mapped to The left front door channel, the right channel is mapped to the right front door channel, the center channel is mapped to the first center channel, the left surround channel is mapped to the left front door channel, the right surround channel is mapped to the right front door channel, The left rear surround channel is mapped to the left front door channel, the right rear surround channel is mapped to the right front door channel, the left front 3D channel is mapped to the left front door channel, the right front 3D channel is mapped to the right front door channel, the left rear 3D The channel is mapped to the left front door channel, the right rear 3D channel is mapped to the right front door channel, and the subwoofer channel is mapped to the left and right front door channels.

Optionally, in step 103 above, when the target playback mode is the front row playback mode, the playback mapping relationship further includes: if the front row of the vehicle is provided with a first subwoofer channel, the subwoofer channel of the panoramic sound audio Mapped to the first subwoofer channel.

Exemplarily, as shown in Figure 4, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the front-row playback mode, the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device The mapping relationship is: the left channel is mapped to the left front door channel, the right channel is mapped to the right front door channel, the center channel is mapped to the first center channel, the left surround channel is mapped to the left front door channel, and the right channel is mapped to the right front door channel. Surround channel mapped to right front door channel, left rear surround channel mapped to left front door channel, right rear surround channel mapped to right front door channel, left front 3D channel mapped to left front door channel, right front 3D channel mapped To the right front door channel, the left rear 3D channel is mapped to the left front door channel, the right rear 3D channel is mapped to the right front door channel, and the subwoofer channel is mapped to the first subwoofer channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the front-row playback mode, if the first subwoofer channel is set in the front row of the vehicle, the subwoofer channel of the panoramic sound audio is mapped to the first subwoofer channel of the vehicle-mounted playback device. The first subwoofer sound channel; if the vehicle front row is not provided with the first subwoofer sound channel, the subwoofer sound channel of the panoramic sound audio is mapped to the left front door sound channel and the right front door sound channel of the car playback device; thus, it is ensured When the in-vehicle playback device is in the front row playback mode, the content of the subwoofer channel in the panoramic sound audio channel is retained, which improves the user experience.

Optionally, in step 103 above, the second left parametric channel further includes a left front 3D channel, and the second right parametric channel further includes a right front 3D channel.

The left 3D channel in the first left parametric channel of Atmos audio is mapped to the left front 3D channel in the second left parametric channel; the right 3D channel in the first right parametric channel of Atmos audio is mapped to the The right front 3D channel of the two right parametric channels.

It can be understood that the left 3D channel in the first left parametric channel of the panoramic sound audio at least includes: the left front 3D channel and the left rear 3D channel, which are specifically determined according to the analyzed channel of the panoramic sound audio. The embodiment of the present application No limit.

It can be understood that the right 3D channel in the first left parametric channel of the panoramic sound audio at least includes: the right front 3D channel and the right rear 3D channel, which are specifically determined according to the analyzed channel of the panoramic sound audio, the embodiment of the present application No limit.

Among them, other channels except the left 3D channel in the first left parameter channel are mapped to the left front door channel, and other channels in the first right parameter channel except the right 3D channel are mapped to the right front door channel. road.

Exemplarily, as shown in FIG. 5 , taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the front row playback mode, the second left parameter channel also includes the left front 3D channel, The second right parameter channel also includes the right front 3D channel, and the mapping relationship between the sound channel of the panoramic sound audio and the channel of the vehicle playback device is: the left channel is mapped to the left front door sound channel, and the right channel is mapped to the right front door sound channel, the center channel is mapped to the first center channel, the left surround channel is mapped to the left front door channel, the right surround channel is mapped to the right front door channel, the left rear surround channel is mapped to the left front door channel, the right Surround rear channel mapped to front right door channel, front left 3D channel mapped to front left 3D channel, front right 3D channel mapped to front right 3D channel, rear left 3D channel mapped to front left 3D channel, rear right 3D channel Mapped to the right front 3D channel, the subwoofer channel is mapped to the first subwoofer channel.

In the embodiment of the present application, when the target playback mode of the in-vehicle playback device is the front row playback mode, the second left parameter channel also includes a left front 3D channel, and the second right parameter channel also includes a right front 3D channel. The left 3D channel of the sound audio is mapped to the left front 3D channel of the vehicle playback device, and the right 3D channel of the panoramic sound audio is mapped to the right front 3D channel of the vehicle playback device. The other channels except the right 3D channel are mapped to the left front door channel, and the other channels in the first right parameter channel except the right 3D channel are mapped to the right front door channel; thus, it is ensured that the in-vehicle playback device is in the front row of playback In the case of the mode, the contents of the left 3D channel and the right 3D channel in the panoramic sound audio channel are retained, which improves the user experience.

Optionally, when the target playback mode is the rear row playback mode, the playback mapping relationship includes: the first left parameter channel is mapped to the third left parameter channel set in the vehicle rear row in the vehicle playback device, the first right The parameter channel is mapped to the third right parameter channel arranged in the rear row of the vehicle in the vehicle playback device, wherein the third left parameter channel includes at least the left rear door channel, and the third right parameter channel includes at least the right rear door channel.

Optionally, after the content between at least two channels in the first left parameter channel is merged, it is played through one channel in the third left parameter channel, that is, the panoramic sound audio can be reduced by downmixing The sense of direction of the sound is lost.

Optionally, after the content between at least two channels in the first right parameter channel is merged, it is played through one channel in the third right parameter channel, that is, the panoramic sound audio can be reduced by downmixing The sense of direction of the sound is lost.

Exemplarily, as shown in Figure 6, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device The mapping relationship is: the left channel is mapped to the left rear channel, the right channel is mapped to the right rear channel, the left surround channel is mapped to the left rear channel, the right surround channel is mapped to the right rear channel, and the left surround channel is mapped to the right rear channel. The channel is mapped to the left rear channel, the right rear surround channel is mapped to the right rear channel, the left front 3D channel is mapped to the left rear channel, the right front 3D channel is mapped to the right rear channel, and the left rear 3D channel is mapped to Left rear channel, right rear 3D channel is mapped to right rear channel.

In the embodiment of the present application, in the rear playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the third right parameter channel set in the rear row of the vehicle in the vehicle-mounted playback device. , the first right parametric channel of the panoramic sound audio can be played through the third right parametric channel set in the rear row of the vehicle in the car playback device. Therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio , The first right parameter channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

Optionally, when the target playback mode of the in-vehicle playback device is the rear playback mode, the center channel in the panoramic sound audio can be mapped to the left rear door channel, or can be mapped to the right rear door channel, or both Maps to the left and right rear channels.

Optionally, in the above step 103, when the target playback mode is the rear row playback mode, the playback mapping relationship also includes: if the subwoofer channel is not set in the rear row of the vehicle, the subwoofer channel of the panoramic sound audio is mapped to Left rear door channel and right rear door channel.

Exemplarily, as shown in Figure 6, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device The mapping relationship is: the left channel is mapped to the left rear channel, the right channel is mapped to the right rear channel, the center channel is mapped to the left rear channel and the right rear channel, and the left surround channel is mapped to the left rear channel channel, the right surround channel is mapped to the right rear channel, the left rear surround channel is mapped to the left rear channel, the right rear surround channel is mapped to the right rear channel, the left front 3D channel is mapped to the left rear channel, and the right front 3D The audio channel is mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, the right rear 3D channel is mapped to the right rear channel, and the subwoofer channel is mapped to the left and right rear channels.

Optionally, in the above step 103, when the target playback mode is the rear row playback mode, the playback mapping relationship further includes: if the rear row of the vehicle is provided with a second subwoofer channel, the subwoofer channel of the panoramic sound audio Mapped to the second subwoofer channel.

Exemplarily, as shown in Figure 7, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle playback device is the rear playback mode, the sound channel of the panoramic sound audio and the channel of the vehicle playback device The mapping relationship is: the left channel is mapped to the left rear channel, the right channel is mapped to the right rear channel, the center channel is mapped to the left rear channel and the right rear channel, and the left surround channel is mapped to the left rear channel channel, the right surround channel is mapped to the right rear channel, the left rear surround channel is mapped to the left rear channel, the right rear surround channel is mapped to the right rear channel, the left front 3D channel is mapped to the left rear channel, and the right front 3D The channel is mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, the right rear 3D channel is mapped to the right rear channel, and the subwoofer channel is mapped to the second subwoofer channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the rear row playback mode, if the vehicle rear row is provided with a second subwoofer channel, the subwoofer channel of the panoramic sound audio is mapped to the vehicle-mounted playback device. The second subwoofer sound channel; if the rear row of the vehicle is not provided with a second subwoofer sound channel, the subwoofer sound channel of the panoramic sound audio is mapped to the left rear door sound channel and the right rear door sound channel of the car playback device; thus, ensuring When the in-vehicle playback device is in the rear playback mode, the content of the subwoofer channel in the panoramic sound audio channel is retained, which improves the user experience.

Optionally, when the target playback mode of the in-vehicle playback device is the rear playback mode, the center channel in the panoramic sound audio can be mapped to the left rear door channel, or can be mapped to the right rear door channel, or both Maps to the left and right rear channels.

Optionally, in the above step 103, when the target playback mode is the rear row playback mode, the playback mapping relationship further includes: if the rear row of the vehicle is provided with a second center channel, the center channel of the panoramic sound audio Mapped to the second center channel.

Exemplarily, as shown in Figure 8, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle playback device is the rear playback mode, the sound channel of the panoramic sound audio and the channel of the vehicle playback device The mapping relationship is: the left channel is mapped to the left rear channel, the right channel is mapped to the right rear channel, the center channel is mapped to the second center channel, the left surround channel is mapped to the left rear channel, and the right channel is mapped to the right rear channel. Surround channel mapped to right rear channel, left rear surround channel mapped to left rear channel, right rear surround channel mapped to right rear channel, left front 3D channel mapped to left rear channel, right front 3D channel mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, the right rear 3D channel is mapped to the right rear channel, and the subwoofer channel is mapped to the left and right rear channels.

Optionally, in the above step 103, when the target playback mode is the rear playback mode, the playback mapping relationship further includes: if the center channel is not set in the rear of the vehicle, the center channel of the panoramic sound audio is mapped to Left rear door channel and right rear door channel.

Exemplarily, as shown in Figure 6, taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the channel of the panoramic sound audio and the channel of the vehicle-mounted playback device The mapping relationship is: the left channel is mapped to the left rear channel, the right channel is mapped to the right rear channel, the center channel is mapped to the left rear channel and the right rear channel, and the left surround channel is mapped to the left rear channel channel, the right surround channel is mapped to the right rear channel, the left rear surround channel is mapped to the left rear channel, the right rear surround channel is mapped to the right rear channel, the left front 3D channel is mapped to the left rear channel, and the right front 3D The audio channel is mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, the right rear 3D channel is mapped to the right rear channel, and the subwoofer channel is mapped to the left and right rear channels.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the rear-row playback mode, if the rear row of the vehicle is provided with a second center channel, the center channel of the panoramic sound audio is mapped to that of the vehicle-mounted playback device. The second center channel; if the rear row of the vehicle is not provided with a second center channel, the center channel of the panoramic sound audio is mapped to the left rear door sound channel and the right rear door sound channel of the car playback device; thus, ensuring When the vehicle-mounted playback device is in the rear playback mode, the content of the center channel in the panoramic sound audio channel is retained, thereby improving user experience.

Optionally, in step 103 above, the third left parametric channel further includes a left rear 3D channel, and the third right parametric channel further includes a right rear 3D channel.

The left 3D channel in the first left parametric channel of Atmos audio maps to the left rear 3D channel in the third left parametric channel; the right 3D channel in the first right parametric channel of Atmos audio maps to The right rear 3D channel in the third right parametric channel.

Among them, other channels except the left 3D channel in the first left parameter channel are mapped to the left rear door channel, and other channels in the first right parameter channel except the right 3D channel are mapped to the right rear door channel. road.

Exemplarily, as shown in Figure 9, taking the audio system of 7.1.4 as an example, in the case that the target playback mode of the vehicle playback device is the rear playback mode, the third left parameter channel also includes the left rear 3D channel , the third right parameter channel also includes the right rear 3D channel, the mapping relationship between the panoramic sound audio channel and the vehicle playback device channel is: the left channel is mapped to the left rear door channel, and the right channel is mapped to the right rear door channel, the center channel is mapped to the second center channel, the left surround channel is mapped to the left rear door channel, the right surround channel is mapped to the right rear door channel, the left rear surround channel is mapped to the left rear door channel, Right rear surround channel is mapped to right rear door channel, left front 3D channel is mapped to left rear 3D channel, right front 3D channel is mapped to right rear 3D channel, left rear 3D channel is mapped to left rear 3D channel, right The rear 3D channel is mapped to the right rear 3D channel, and the subwoofer channel is mapped to the second subwoofer channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the third left parameter channel also includes a left rear 3D channel, and the third right parameter channel also includes a right rear 3D channel. , the left 3D channel of the Atmos audio is mapped to the left rear 3D channel of the car playback device, the right 3D channel of the Atmos audio is mapped to the right rear 3D channel of the car playback device, and the first left parameter channel except the left Other channels except the 3D channel are mapped to the left rear door channel, and other channels except the right 3D channel in the first right parameter channel are mapped to the right rear door channel; In the case of the rear playback mode, the contents of the left 3D channel and the right 3D channel in the panoramic sound audio channel are retained, which improves the user experience.

Optionally, in step 103 above, the third left parametric channel further includes a left rear surround channel, and the third right parametric channel further includes a right rear surround channel.

The left parametric surround channel in the first left parametric channel of Atmos audio maps to the left surround channel in the third left parametric channel; the right parametric surround channel in the first right parametric channel of Atmos audio Mapped to the right surround channel in the third right parametric channel.

It can be understood that the left parametric surround channel in the first left parametric channel of the panoramic sound audio includes at least: the left surround channel and the left rear surround channel, which are specifically determined according to the analyzed channels of the panoramic sound audio. Examples are not limited.

It can be understood that the right parametric surround channel in the first right parametric channel of the panoramic sound audio includes at least: the right surround channel and the right rear surround channel, which are specifically determined according to the analyzed channel of the panoramic sound audio. Examples are not limited.

Among them, the other channels except the left parameter surround channel in the first left parameter channel are mapped to the left rear door channel, and the other channels in the first right parameter channel except the right parameter surround channel are mapped to the right The back door said.

Exemplarily, as shown in Figure 10, taking the audio system of 7.1.4 as an example, in the case that the target playback mode of the vehicle playback device is the rear playback mode, the third left parameter channel also includes the left rear surround channel , the third right parameter channel also includes the right rear surround channel, and the mapping relationship between the panoramic sound audio channel and the vehicle playback device channel is: the left channel is mapped to the left rear door channel, and the right channel is mapped to the right rear door channels, the center channel is mapped to the second center channel, the left surround channel is mapped to the left surround channel, the right surround channel is mapped to the right surround channel, and the left surround channel is mapped to the left surround channel channel, the right rear surround channel is mapped to the right rear surround channel, the left front 3D channel is mapped to the left rear channel, the right front 3D channel is mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, The right rear 3D channel is mapped to the right rear door channel, and the subwoofer channel is mapped to the second subwoofer channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the third left parameter channel also includes a left rear surround channel, and the third right parameter channel also includes a right rear surround channel , the left parametric surround channel of the Atmos audio is mapped to the left rear surround channel of the car playback device, the right parametric surround channel of the Atmos audio is mapped to the right rear surround channel of the car playback device, and the first left parametric channel Channels other than the left parametric surround channel are mapped to the left rear channel, and channels other than the right parametric surround channel in the first right parametric channel are mapped to the right rear channel; thus, ensuring When the in-vehicle playback device is in the rear playback mode, the contents of the left parametric surround channel and the right parametric surround channel in the panoramic sound audio channel are retained, thereby improving user experience.

Optionally, the above-mentioned left parametric surround sound channel is a left back surround sound channel, and the right parametric surround sound channel is a right back surround sound channel.

Wherein, the left surround channel of the first left parameter channel is mapped to the left rear door channel, and the right surround sound channel of the first right parameter channel is mapped to the right rear door channel.

Exemplarily, as shown in FIG. 11 , taking the audio system of 7.1.4 as an example, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the third left parameter channel is the left rear surround channel, The third right parameter channel is the right rear surround channel, and the mapping relationship between the panoramic sound audio channel and the vehicle playback device channel is: the left channel is mapped to the left rear door channel, and the right channel is mapped to the right rear door channel , the center channel is mapped to the second center channel, the left surround channel is mapped to the left rear channel, the right surround channel is mapped to the right rear channel, the left surround channel is mapped to the left rear channel, the right The rear surround channel is mapped to the right rear channel, the left front 3D channel is mapped to the left rear channel, the right front 3D channel is mapped to the right rear channel, the left rear 3D channel is mapped to the left rear channel, and the right rear 3D channel is mapped to the right rear channel. channel is mapped to the right rear channel, and the subwoofer channel is mapped to the second subwoofer channel.

In the embodiment of the present application, when the target playback mode of the vehicle-mounted playback device is the rear playback mode, the left parameter surround channel is the left rear surround channel, the right parameter surround channel is the right rear surround channel, and the panoramic sound audio The left rear surround channel of the car playback device is mapped to the left rear surround channel of the car playback device, and the right rear surround channel of the Atmos audio is mapped to the right rear surround channel of the car playback device; thus, it is ensured that the car playback device is in the rear In the case of row playback mode, the content of the left rear surround channel and the right rear surround channel in the panoramic sound audio channel is retained, and the way of channel downmixing is added to further improve the user experience.

It should be noted that the sound channel mapping method provided in the embodiment of the present application may be applicable to a car model with two rows of four seats, or a car model with three rows of six seats.

Among them, the three-row six-seater model can be divided into the front row (including the driver's seat and the co-pilot seat), the second row and the third row. The front row corresponds to the front row playback mode, the second row and the third row can be used as a whole, and corresponds to the back row playback mode, the second row and the third row can also be independent of each other, the second row corresponds to the back shot playback mode, and the third row corresponds to the third row playback mode.

Wherein, for a car model with three rows and six seats, the playback mode in the front row and the playback mode in the rear row can be described with reference to the above-mentioned embodiments. And in the case where the target playback mode is the three-row playback mode, the playback mapping relationship includes: the first left parameter channel is mapped to the fourth left parameter channel arranged in the third row of the vehicle in the vehicle playback device, and the first right parameter channel is mapped to the third row of the vehicle. The channel is mapped to the fourth right parameter channel arranged in the third row of the vehicle in the vehicle playback device, wherein the fourth left parameter channel at least includes at least one of the left rear surround channel and the left rear 3D channel, and the fourth right parameter channel The channels include at least one of the right rear surround channel and the right rear 3D channel.

In the embodiment of the present application, in the three-row playback mode, when the vehicle-mounted playback device plays the panoramic sound audio, the first left parameter channel of the panoramic sound audio can be played through the fourth right parameter channel set in the third row of the vehicle in the vehicle-mounted playback device , the first right parametric channel of the panoramic sound audio can be played through the fourth right parametric channel set in the third row of the vehicle in the car playback device. Therefore, when the panoramic sound audio is played, the first left parametric channel of the panoramic sound audio and the first right parametric channel will be broadcast, thereby reducing the loss of sound orientation in the panoramic sound audio and improving the user experience.

Optionally, when the target playback mode is the three-row playback mode, the playback mapping relationship further includes: if the third row of the vehicle is provided with a third subwoofer channel, the subwoofer channel of the panoramic sound audio is mapped to the third subwoofer channel. Subwoofer channel; if the third row of the vehicle does not have a subwoofer channel, the subwoofer channel of the Atmos audio is mapped to the left and right rear surround channels.

Optionally, when the target playback mode is the three-row playback mode, the playback mapping relationship further includes: if the third row of the vehicle is provided with a third center channel, the center channel of the panoramic sound audio is mapped to the third Center channel; if the center channel is not set in the third row of the vehicle, the center channel of the Atmos audio is mapped to the left and right rear surround channels.

Optionally, more sound channels can be set in the third row of the vehicle, which can be determined according to the actual situation, and there is no limitation here. For the description of the playback mode of the third row, please refer to the above-mentioned playback mode for the front row or the playback mode of the rear row. Relevant descriptions can achieve the same technical effect, so in order to avoid repetition, details are not repeated here.

The present disclosure also provides a channel mapping device, and FIG. 12 is a schematic structural diagram of a channel mapping device provided in the present disclosure. As shown in FIG. 12 , the channel mapping device includes: an acquisition module 201, a determination module 202 and a control Module 203; the acquisition module 201 is used to obtain the target playback mode of the vehicle-mounted playback device; the determination module 202 is used to determine the playback mapping relationship of the vehicle-mounted playback device according to the target playback mode, and the playback mapping relationship is used to indicate the panoramic sound audio The corresponding relationship between the sound channel and the sound channel of the vehicle-mounted playback device; the control module 203 is used to control the vehicle-mounted playback device to play the panoramic sound audio based on the playback mapping relationship.

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship includes:

The first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel set in the front row of the vehicle in the car playback device, and the first right parametric channel of the panoramic sound audio is mapped to the car playback device set in the front row of the vehicle The second right parametric channel, wherein the second left parametric channel includes at least the left front door channel, and the second right parametric channel includes at least the right front door channel.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship includes:

The first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, and the first right parameter sound channel is mapped to the third right parameter sound channel arranged in the rear row of the vehicle in the vehicle-mounted playback device, Wherein, the third left parametric channel at least includes the left rear channel, and the third right parametric channel at least includes the right rear channel.

Optionally, when the target playback mode is the front-row playback mode, the playback mapping relationship further includes:

If the first center channel is set in the front row of the vehicle, the center channel of the Atmos audio is mapped to the first center channel; if the center channel is not set in the front row of the vehicle, the center channel of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, when the target playback mode is the front row playback mode, the playback mapping relationship further includes:

If the first subwoofer channel is set in the front row of the vehicle, the subwoofer channel of the Atmos audio is mapped to the first subwoofer channel; if the subwoofer channel is not set in the front row of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the front left and front right channels.

Optionally, the second left parametric channel also includes a left front 3D channel, and the first left parametric channel of the panoramic sound audio is mapped to the second left parametric channel arranged in the front row of the vehicle in the vehicle playback device, including: the first The left 3D channel in the left parametric channel is mapped to the left front 3D channel in the second left parametric channel; the second right parametric channel also includes the right front 3D channel, and the first right parametric channel of the Atmos audio is mapped to The second right parametric channel set in the front row of the vehicle in the vehicle-mounted playback device includes: mapping the right 3D channel of the first right parametric channel to the right front 3D channel of the second right parametric channel.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second subwoofer channel is set in the rear of the vehicle, the subwoofer channel of the Atmos audio is mapped to the second subwoofer channel; if the subwoofer channel is not set in the rear of the vehicle, the subwoofer sound of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, when the target playback mode is the back row playback mode, the playback mapping relationship further includes:

If the second center channel is set in the rear of the vehicle, the center channel of the Atmos audio is mapped to the second center channel; if the center channel is not set in the rear of the vehicle, the center channel of the Atmos audio channels are mapped to the left and right rear channels.

Optionally, the third left parameter sound channel also includes a left rear 3D sound channel, and the first left parameter sound channel is mapped to the third left parameter sound channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter sound channel The left 3D channel in the channel is mapped to the left rear 3D channel in the third left parameter channel; the third right parameter channel also includes the right rear 3D channel, and the first right parameter channel is mapped to the setting in the car playback device The third right parametric channel in the rear row of the vehicle includes: mapping the right 3D channel in the first right parametric channel to the right rear 3D channel in the third right parametric channel.

Optionally, the third left parameter channel also includes a left rear surround channel, and the first left parameter channel is mapped to the third left parameter channel arranged in the rear row of the vehicle in the vehicle playback device, including: the first left parameter channel The left parameter surround channel in the channel is mapped to the left rear surround channel in the third left parameter channel; the third right parameter channel also includes the right rear surround channel, and the first right parameter channel is mapped to the car playback device The third right parametric channel set in the rear row of the vehicle includes: the right parametric surround channel in the first right parametric channel is mapped to the right rear surround channel in the third right parametric channel.

Optionally, the left parametric surround channel is the left back surround channel, and the right parametric surround channel is the right back surround channel; the left surround channel in the first left parametric channel is mapped to the left back door channel, and the first right The right surround channel in the parameter channel is mapped to the right rear channel.

It should be noted that the above-mentioned channel mapping device may be the vehicle-mounted playback device in the above-mentioned method embodiment of the present application, or it may be a functional module and/or a functional entity in the vehicle-mounted playback device that can realize the functions of the device embodiment. Examples are not limited.

In the embodiment of the present application, each module can implement the channel mapping method provided in the above method embodiment, and can achieve the same technical effect, and to avoid repetition, details are not repeated here.

The beneficial effects of the various implementations in this embodiment can be specifically referred to the beneficial effects of the corresponding implementations in the above embodiment of the channel mapping method. To avoid repetition, details are not repeated here.

The embodiment of the present application also provides a vehicle-mounted playback device. As shown in FIG. A program or an instruction, when the program or instruction is executed by the processor 301, can implement each process of the channel mapping method provided by the above method embodiment, and can achieve the same technical effect, and to avoid repetition, details are not repeated here.

An embodiment of the present application provides a readable storage medium, on which a program or instruction is stored, and when the program or instruction is executed by a processor, each process of the channel mapping method provided by the above method embodiment is implemented, and can achieve The same technical effects are not repeated here to avoid repetition.

An embodiment of the present application provides a vehicle, including a vehicle-mounted playback device as shown in FIG. 13 , and a speaker corresponding to each sound channel of the vehicle-mounted playback device. The vehicle can implement each process of the channel mapping method provided by the above method embodiment, and can achieve the same technical effect, and to avoid repetition, details are not repeated here.

The embodiment of the present application also provides a computer program product, wherein the computer program product includes a computer program or an instruction, and when the computer program product is run on a processor, the processor is made to execute the computer program or instruction to implement the method described above. Each process of the channel mapping method provided by the example can achieve the same technical effect, so in order to avoid repetition, it will not be repeated here.

The embodiment of the present application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the above embodiment of the channel mapping method Each process, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.

It should be understood that the chips mentioned in the embodiments of the present application may also be called system-on-chip, system-on-chip, system-on-a-chip, or system-on-a-chip.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, server and method can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit. The above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is realized in the form of a software function unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application is essentially or part of the contribution to the prior art or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium , including several instructions to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk and other media that can store program codes.

As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still understand the foregoing The technical solutions described in each embodiment are modified, or some of the technical features are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the application.

Claims (13)

1. A channel mapping method, applied to a vehicle-mounted playback device, is characterized in that the method comprises: Obtain the target playback mode of the in-vehicle playback device; According to the target playback mode, determine the playback mapping relationship of the vehicle playback device, the playback mapping relationship is used to indicate the corresponding relationship between the channel of the panoramic sound audio and the channel of the vehicle playback device; Based on the playback mapping relationship, control the vehicle-mounted playback device to play the panoramic sound audio; Wherein, in the case where the target playback mode is the front row playback mode, the playback mapping relationship includes: The first left parameter channel of the panoramic sound audio is mapped to the second left parameter channel arranged in the front row of the vehicle in the vehicle playback device, and the first right parameter channel of the panoramic sound audio is mapped to the vehicle The second right parametric sound channel set in the front row of the vehicle in the playback device, wherein the second left parametric sound channel includes at least the left front door sound channel, and the second right parametric sound channel includes at least the right front door sound channel; or, In the case where the target playback mode is the rear row playback mode, the playback mapping relationship includes: The first left parameter channel is mapped to the third left parameter channel set in the vehicle rear row in the vehicle playback device, and the first right parameter channel is mapped to the vehicle playback device set in the third left parameter channel. The third right parametric sound channel in the rear row of the vehicle, wherein the third left parametric sound channel at least includes a left rear door sound channel, and the third right parametric sound channel at least includes a right rear door sound channel. 2. The method according to claim 1, wherein when the target playback mode is a front row playback mode, the playback mapping relationship further comprises: If the front row of the vehicle is provided with a first center channel, the center channel of the panoramic sound audio is mapped to the first center channel; If the front row of the vehicle is not provided with a center channel, the center channel of the panoramic sound audio is mapped to the left front door sound channel and the right front door sound channel. 3. The method according to claim 1, wherein when the target playback mode is a front row playback mode, the playback mapping relationship further comprises: If the front row of the vehicle is provided with a first subwoofer channel, the subwoofer channel of the panoramic sound audio is mapped to the first subwoofer channel; If no subwoofer sound channel is set in the front row of the vehicle, the subwoofer sound channel of the panoramic sound audio is mapped to the left front door sound channel and the right front door sound channel. 4. The method according to any one of claims 1 to 3, wherein the second left parametric channel further comprises a left front 3D channel, and the first left parametric channel of the panoramic sound audio is mapped to The second left parameter sound channel arranged in the front row of the vehicle in the vehicle playback device includes: a left 3D channel of the first left parametric channel is mapped to a left front 3D channel of the second left parametric channel; The second right parametric channel also includes a right front 3D channel, and the first right parametric channel of the panoramic sound audio is mapped to the second right parametric channel arranged in the front row of the vehicle in the vehicle playback device, include: A right 3D channel of the first right parametric channel is mapped to a right front 3D channel of the second right parametric channel. 5. The method according to claim 1, wherein when the target playback mode is a back row playback mode, the playback mapping relationship further comprises: If the rear row of the vehicle is provided with a second subwoofer sound channel, the subwoofer sound channel of the panoramic sound audio is mapped to the second subwoofer sound channel; If no subwoofer sound channel is set in the rear row of the vehicle, the subwoofer sound channel of the panoramic sound audio is mapped to the left rear door sound channel and the right rear door sound channel. 6. The method according to claim 1, wherein, when the target playback mode is a back row playback mode, the playback mapping relationship further comprises: If the rear row of the vehicle is provided with a second center channel, the center channel of the panoramic sound audio is mapped to the second center channel; If the rear row of the vehicle is not provided with a center channel, the center channel of the panoramic sound audio is mapped to the left rear door sound channel and the right rear door sound channel. 7. The method according to any one of claims 1 to 3, 5 and 6, wherein the third left parametric channel further comprises a left rear 3D channel, and the first left parametric channel mapping The third left parameter sound channel arranged in the rear row of the vehicle in the in-vehicle playback device includes: a left 3D channel in the first left parametric channel is mapped to a left rear 3D channel in the third left parametric channel; The third right parametric channel also includes a right rear 3D channel, and the first right parametric channel is mapped to the third right parametric channel arranged in the rear row of the vehicle in the vehicle playback device, including: A right 3D channel of the first right parametric channel is mapped to a right rear 3D channel of the third right parametric channel. 8. The method according to any one of claims 1 to 3, 5 and 6, wherein the third left parametric channel further comprises a left rear surround channel, and the first left parametric channel mapping The third left parameter sound channel arranged in the rear row of the vehicle in the in-vehicle playback device includes: a left parametric surround channel of the first left parametric channel is mapped to a left rear surround channel of the third left parametric channel; The third right parametric channel also includes a right rear surround channel, and the first right parametric channel is mapped to the third right parametric channel arranged in the rear row of the vehicle in the vehicle playback device, including: A right parametric surround channel of the first right parametric channel is mapped to a right rear surround channel of the third right parametric channel. 9. The method according to claim 8, wherein the left parametric surround channel is a left rear surround channel, and the right parametric surround channel is a right rear surround channel; A left surround channel of the first left parametric channel is mapped to the left rear channel, and a right surround channel of the first right parametric channel is mapped to the right rear channel. 10. A channel mapping device, characterized in that the device comprises: an acquisition module, a determination module and a control module; The acquisition module is used to acquire the target playback mode of the vehicle-mounted playback device; The determination module is used to determine the playback mapping relationship of the vehicle playback device according to the target playback mode, and the playback mapping relationship is used to indicate the corresponding relationship between the channel of the panoramic sound audio and the channel of the vehicle playback device; The control module is configured to control the in-vehicle playback device to play the panoramic sound audio based on the playback mapping relationship; Wherein, in the case where the target playback mode is the front row playback mode, the playback mapping relationship includes: The first left parameter channel of the panoramic sound audio is mapped to the second left parameter channel arranged in the front row of the vehicle in the vehicle playback device, and the first right parameter channel of the panoramic sound audio is mapped to the vehicle The second right parametric channel set in the front row of the vehicle in the playback device, the center channel of the panoramic sound audio is mapped to the first center channel set in the front row of the vehicle in the in-vehicle playback device , wherein the second left parametric channel includes at least a left front door channel, and the second right parametric channel includes at least a right front door channel; In the case where the target playback mode is the rear row playback mode, the playback mapping relationship includes: The first left parameter channel is mapped to the third left parameter channel set in the vehicle rear row in the vehicle playback device, and the first right parameter channel is mapped to the vehicle playback device set in the third left parameter channel. The third right parametric sound channel in the rear row of the vehicle, wherein the third left parametric sound channel at least includes a left rear door sound channel, and the third right parametric sound channel at least includes a right rear door sound channel. 11. A vehicle-mounted playback device, characterized in that it includes a processor, a player, a memory, and a program or instruction stored on the memory and operable on the processor, and the program or instruction is processed Implementing the steps of the channel mapping method according to any one of claims 1 to 9 when the controller is executed. 12. A vehicle, characterized by comprising the vehicle playback device according to claim 11, and at least one speaker corresponding to each sound channel of the vehicle playback device. 13. A readable storage medium, wherein a program or an instruction is stored on the readable storage medium, and when the program or instruction is executed by a processor, the audio system according to any one of claims 1 to 9 is realized. The steps of the channel mapping method.

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