CN113986186A - Audio switching system, method, electronic equipment and storage medium - Google Patents
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Abstract
The embodiment of the application discloses an audio switching system, an audio switching method, electronic equipment and a storage medium, wherein the audio switching system comprises a man-machine interaction system, an audio management system, a channel management system and a target digital signal processing module, the man-machine interaction system is used for responding to a trigger instruction of a user, sending audio to be played corresponding to the trigger instruction to the audio management system, the audio management system is used for determining playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio, the target channel management system is used for determining a target channel corresponding to the audio to be played from a candidate channel set, sending the audio to be played to the audio digital processing system based on the target channel, the target digital signal processing module is used for determining a target digital signal processing module corresponding to the audio to be played, and the currently played audio is switched to the audio to be played based on the target digital signal processing module and the playing information. The embodiment of the application can save bus hardware resources and can also avoid the situation that the playing of the audio is disordered or the playing of the audio fails.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted multimedia, in particular to a multi-audio switching system, a multi-audio switching method, electronic equipment and a storage medium.
Background
The On-board Android System On Chip (Android System SOC) can support different types of audio, and audio data flows from an integrated circuit built-in audio bus I2S, TDM or PCM to an audio digital processor Codec. A Digital Signal Processing (DSP) module inside the Codec is responsible for channel management, audio management, and the like. Each audio has a corresponding audio channel in the DSP.
However, due to the limited hardware resources of the I2S of the Android SOC and Codec, the Android SOC cannot allocate a sound card device to each audio, when the vehicle-mounted human-computer interaction system switches from the original audio to the new audio, the I2S path of the original audio needs to be disconnected, and then the I2S path of the new audio needs to be connected, so that when the audio is switched rapidly, the playing of the audio is easily disordered or the playing of the audio fails.
Disclosure of Invention
The embodiment of the application provides an audio switching system, an audio switching method, an audio switching device, electronic equipment and a storage medium, so that bus hardware resources are saved, and the situation that playing of audio is disordered or playing of audio fails can be avoided.
The embodiment of the application provides an audio switching system, which comprises a human-computer interaction system, an audio management system, a channel management system and an audio digital processing system which are connected in sequence;
the human-computer interaction system is used for responding to a trigger instruction of a user and sending the audio to be played corresponding to the trigger instruction to the audio management system;
the audio management system is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio;
the channel management system is used for determining a target channel corresponding to the audio to be played from the candidate channel set and sending the audio to be played to the audio digital processing system based on the target channel;
and the audio digital processing system is used for determining a target digital signal processing module corresponding to the audio to be played and switching the currently played audio into the audio to be played based on the target digital signal processing module and the playing information.
Furthermore, the man-machine interaction system comprises a multimedia audio response module, a navigation audio response module, a voice awakening response module and a call response module;
the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent.
Further, the candidate channel set comprises a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a call channel and a standby channel;
the multimedia audio channel corresponds to the multimedia audio response module;
the navigation audio channel corresponds to the navigation audio response module;
the voice awakening channel corresponds to the voice awakening response module;
the call channel corresponds to the call response module;
the standby channel corresponds to the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module.
Further, the audio management system comprises a priority determining module and a playing information determining module;
the priority determining module is used for determining the priority of the audio to be played and the currently played audio;
the playing information determining module is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio; the playing information includes the frequency, volume and timbre of the audio to be played.
Correspondingly, the embodiment of the application also provides an audio switching method, which comprises the following steps:
controlling a human-computer interaction system to respond to a trigger instruction of a user, and sending the audio to be played corresponding to the trigger instruction to an audio management system;
the audio management system is controlled to judge the priority of the audio to be played and the currently played audio, and when the priority of the audio to be played is higher than that of the currently played audio, the playing information of the audio to be played is determined;
the control channel management system determines a target channel corresponding to the audio to be played from the candidate channel set and sends the audio to be played to the audio digital processing system based on the target channel;
and controlling the audio digital processing system to determine a target digital signal processing module corresponding to the audio to be played, and switching the currently played audio into the audio to be played based on the target digital signal processing module and the playing information.
Furthermore, the man-machine interaction system comprises a multimedia audio response module, a navigation audio response module, a voice awakening response module and a call response module;
the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent.
Further, the candidate channel set comprises a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a call channel and a standby channel;
the multimedia audio channel corresponds to the multimedia audio response module;
the navigation audio channel corresponds to the navigation audio response module;
the voice awakening channel corresponds to the voice awakening response module;
the call channel corresponds to the call response module;
the standby channel corresponds to the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module.
Further, the audio management system comprises a priority determining module and a playing information determining module;
the control channel management system determines a target channel corresponding to the audio to be played from the candidate channel set, and sends the audio to be played to the audio digital processing system based on the target channel, and the control channel management system comprises:
the control priority determining module determines the priority of the audio to be played and the currently played audio;
the control playing information determining module determines the playing information of the audio to be played when determining that the priority of the audio to be played is higher than that of the currently played audio; the playing information includes the frequency, volume and timbre of the audio to be played.
Accordingly, an embodiment of the present application further provides an electronic device, which includes a processor and a memory, where the memory stores at least one instruction, at least one program, a code set, or a set of instructions, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the audio switching method.
Accordingly, embodiments of the present application also provide a computer-readable storage medium, in which at least one instruction, at least one program, a set of codes, or a set of instructions is stored, and the at least one instruction, the at least one program, the set of codes, or the set of instructions is loaded and executed by a processor to implement the audio switching method.
The embodiment of the application has the following beneficial effects:
the embodiment of the application discloses an audio switching system, an audio switching method, electronic equipment and a storage medium, wherein the audio switching system comprises a human-computer interaction system, an audio management system, a channel management system and an audio digital processing system which are sequentially connected. The human-computer interaction system is used for responding to a trigger instruction of a user and sending the audio to be played corresponding to the trigger instruction to the audio management system. The audio management system is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio. The channel management system is used for determining a target channel corresponding to the audio to be played from the candidate channel set and sending the audio to be played to the audio digital processing system based on the target channel. And the audio digital processing system is used for determining a target digital signal processing module corresponding to the audio to be played and switching the currently played audio into the audio to be played based on the target digital signal processing module and the playing information. Based on the embodiment of the application, by setting the candidate channel set, when different types of audio are received, the audio is sent to the audio digital processing system Codec based on the target channel corresponding to the audio, the operation is simple, the bus path for playing the audio originally does not need to be disconnected and reconnected to a new bus path, the bus hardware resources can be saved, and the situation that the audio is played in a disordered way or the audio is played in a failed way can be avoided.
Drawings
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an audio switching system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of another audio switching system provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of an audio management system provided in an embodiment of the present application;
fig. 4 is a flowchart illustrating an audio switching method according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings. It should be apparent that the described embodiment is only one embodiment of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An "embodiment" as referred to herein relates to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application. In the description of the embodiments of the present application, it should be understood that the terms "comprises" and "comprising," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
A specific embodiment of an audio switching system according to the present application is described below, fig. 1 is a schematic structural diagram of an audio switching system according to an embodiment of the present application, and fig. 2 is a schematic structural diagram of another audio switching system according to an embodiment of the present application. The module or system recited in the embodiment is only one of a plurality of constituent structures, and does not represent a unique constituent structure, and may be executed in an order of the constituent structures according to the embodiment or the method shown in the drawings when actually executed.
As shown in fig. 1, the system may include a human-computer interaction system 101, an audio management system 103, a channel management system 105, and an audio digital processing system 107, connected in sequence. The human-computer interaction system 101 may be configured to respond to a trigger instruction of a user, and send an audio to be played corresponding to the trigger instruction to the audio management system 103. The audio management system 103 may be configured to receive an audio to be played sent by the human-computer interaction system 101, determine playing information of the audio to be played when it is determined that the priority of the audio to be played is higher than that of the currently played audio, and send the playing information of the audio to be played to the channel management system 105. The channel management system 105 may be configured to receive playing information of the audio to be played, which is sent by the audio management system 103, and determine a target channel corresponding to the audio to be played from the candidate channel set. The audio digital processing system 107 may be configured to determine a target digital signal processing module corresponding to the audio to be played, and switch the currently played audio to the audio to be played based on the target digital signal processing module and the playing information.
In the embodiment of the present application, a Human Machine Interface (HMI) may include a HMI capable of supporting multiple audios, such as multimedia audio Media, navigation audio Navi, voice wake-up audio VR, and call audio.
In an alternative embodiment, as shown in fig. 2, the human-machine interaction system HMI may include a multimedia audio response module, a navigation audio response module, a voice wakeup response module and a call response module, wherein the multimedia audio response module is configured to respond to multimedia audio, the navigation audio response module is configured to respond to navigation audio, the voice wakeup response module is configured to respond to voice wakeup audio, and the call response module is configured to respond to call audio. The multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent.
Optionally, icons or keys corresponding to multimedia, navigation, voice wake-up and call can be correspondingly set on the display interface of the human-computer interaction system HMI. When a user triggers an icon or a key corresponding to multimedia, navigation, voice awakening or conversation, the corresponding multimedia audio response module, navigation audio response module, voice awakening response module or conversation response module can respond to a trigger instruction of the user and send the audio to be played corresponding to the trigger instruction to the audio management system. For example, when a user triggers an icon or a key corresponding to the music APP based on a display interface of the human-computer interaction system, the multimedia audio response module responds to a trigger instruction of the user and sends multimedia audio corresponding to the trigger instruction to the audio management system.
In an alternative embodiment, as shown in fig. 2, the audio management system may include a priority determination module and a play information determination module. The priority determining module may be configured to determine priorities of the audio to be played and the currently played audio, and the playing information determining module may be configured to determine playing information of the audio to be played when it is determined that the priority of the audio to be played is higher than the currently played audio, where the playing information may include frequency, volume, and timbre of the audio.
In another alternative implementation, fig. 3 is a schematic structural diagram of an audio management system provided in an embodiment of the present application. The audio management system may include a first audio management subsystem and a second audio management subsystem, wherein the first audio management subsystem may include a priority determination module and an audio output management module, and the second audio management subsystem may include an audio storage module and a play information determination module. The priority determining module may be configured to determine priorities of the audio to be played and the currently played audio, and the audio output management module may be configured to determine an output device of the audio to be played, such as an earphone and a power amplifier. The audio storage module may be used to store audio to be played. Optionally, the audio storage module may include a multimedia audio storage sub-module, a navigation audio storage sub-module, a voice wake-up audio storage sub-module, and a call audio storage sub-module. The playing information determining module may be configured to determine the playing information of the audio to be played when it is determined that the priority of the audio to be played is higher than that of the currently played audio, where the playing information may include the frequency, volume, and tone of the audio.
Optionally, the priority determining module may also be referred to as an audio intersection management module, and is configured to determine priorities of the audio to be played and the currently played audio when the user switches the audio. For example, a user triggers an icon or a key corresponding to a music APP based on a display interface of a man-machine interaction system, a telephone is dialed in during music playing, a call response module is triggered, call audio corresponding to a trigger instruction is sent to an audio intersection management module of an audio management system, the audio intersection management module judges the priority of multimedia audio and call audio, and if the priority of the call audio is higher than that of the multimedia audio, whether an output device of the call audio is an earphone or a power amplifier can be determined through an audio output management module. And then the conversation audio and the corresponding output equipment information can be stored in the conversation audio storage submodule. And determining the frequency, the volume and the tone corresponding to the call audio by using the play information determining module, and storing the frequency, the volume and the tone in the call audio storage submodule.
In an alternative embodiment, as shown in fig. 2, a candidate channel set TDM8 may be set in the channel management system, and the candidate channel set TDM8 may include a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a talk channel, and a standby channel. The multimedia audio channel can correspond to the multimedia audio response module, the navigation audio channel can correspond to the navigation audio response module, the voice wake-up channel can correspond to the voice wake-up response module, the call channel can correspond to the call response module, and the standby channel can correspond to the multimedia audio response module, the navigation audio response module, the voice wake-up response module and the call response module. By setting the candidate channel set, when different types of audio are received, the play information determining module in the channel management system can query the Slot value in the TDM8 corresponding to the call audio, and send the audio to the audio digital processing system Codec according to the Slot value in the TDM8 corresponding to the audio, that is, the target channel corresponding to the audio, so that the operation is simple, the bus channel for playing the audio originally does not need to be disconnected and reconnected to a new bus channel, the bus hardware resources can be saved, and the situations that the audio is played in a disordered way or the audio is played in a failed way can be avoided.
By adopting the audio switching system provided by the embodiment of the application, through setting the candidate channel set, when different types of audio are received, the audio is sent to the audio digital processing system Codec based on the target channel corresponding to the audio, the operation is simple, the bus path for playing the audio originally is not required to be disconnected and reconnected to a new bus path, the bus hardware resource can be saved, and the situation that the audio is disordered or failed to play can be avoided.
The following describes a specific embodiment of an audio switching method according to the present application, and fig. 4 is a flowchart of an audio switching method according to the embodiment of the present application, and the present specification provides the method operation steps as shown in the embodiment or the flowchart, but may include more or less operation steps based on conventional or non-creative labor. The order of steps recited in the embodiments is only one of many possible orders of execution and does not represent the only order of execution, and in actual execution, the steps may be performed sequentially or in parallel as in the embodiments or methods shown in the figures (e.g., in the context of parallel processors or multi-threaded processing). Specifically, as shown in fig. 4, the method includes:
s401: and controlling the human-computer interaction system to respond to a trigger instruction of a user, and sending the audio to be played corresponding to the trigger instruction to the audio management system.
In the embodiment of the application, the man-machine interaction system can comprise a multimedia audio response module, a navigation audio response module, a voice awakening response module and a call response module. The multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent from each other.
S403: and controlling the audio management system to judge the priority of the audio to be played and the currently played audio, and determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio.
In an embodiment of the present application, the audio management system may include a priority determination module and a play information determination module.
In this embodiment of the application, the processor may control the priority determining module to determine the priority of the audio to be played and the currently played audio, and the processor may control the playing information determining module to determine the playing information of the audio to be played when it is determined that the priority of the audio to be played is higher than the currently played audio, where the playing information includes the frequency, the volume, and the tone of the audio to be played.
S405: and the control channel management system determines a target channel corresponding to the audio to be played from the candidate channel set and sends the audio to be played to the audio digital processing system based on the target channel.
In this embodiment, the processor may control the audio digital processing system to determine a target digital signal processing module corresponding to the audio to be played, and switch the currently played audio to the audio to be played based on the target digital signal processing module and the playing information.
In the embodiment of the present application, the candidate channel set includes a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a call channel, and a standby channel. The multimedia audio channel corresponds to the multimedia audio response module, the navigation audio channel corresponds to the navigation audio response module, the voice awakening channel corresponds to the voice awakening response module, the call channel corresponds to the call response module, and the standby channel corresponds to the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module.
By adopting the audio switching method provided by the embodiment of the application, the candidate channel set is set, when different types of audio are received, the audio is sent to the audio digital processing system Codec based on the target channel corresponding to the audio, the operation is simple, the bus path for playing the audio originally does not need to be disconnected and reconnected to a new bus path, the bus hardware resource can be saved, and the situation that the audio is disordered or failed to play can be avoided.
In an embodiment of the present application, an electronic device may be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing an audio switching method in the method embodiment, where the at least one instruction, the at least one program, the code set, or the set of instructions is loaded from the memory and executed to implement the audio switching method.
The present invention further provides a storage medium, which can be disposed in a server to store at least one instruction, at least one program, a code set, or a set of instructions related to implementing an audio switching method in the method embodiments, where the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the audio switching method.
Optionally, in this embodiment, the storage medium may be located in at least one network server of a plurality of network servers of a computer network. Optionally, in this embodiment, the storage medium may include, but is not limited to, a storage medium including: various media that can store program codes, such as a usb disk, a Read-only Memory (ROM), a removable hard disk, a magnetic disk, or an optical disk.
As can be seen from the above embodiments of the audio switching system, the audio switching method, the electronic device, or the storage medium provided in the present application, the audio switching system in the present application includes a human-computer interaction system, an audio management system, a channel management system, and an audio digital processing system, which are sequentially connected. The human-computer interaction system is used for responding to a trigger instruction of a user and sending the audio to be played corresponding to the trigger instruction to the audio management system. The audio management system is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio. The channel management system is used for determining a target channel corresponding to the audio to be played from the candidate channel set and sending the audio to be played to the audio digital processing system based on the target channel. And the audio digital processing system is used for determining a target digital signal processing module corresponding to the audio to be played and switching the currently played audio into the audio to be played based on the target digital signal processing module and the playing information. Based on the embodiment of the application, by setting the candidate channel set, when different types of audio are received, the audio is sent to the audio digital processing system Codec based on the target channel corresponding to the audio, the operation is simple, the bus path for playing the audio originally does not need to be disconnected and reconnected to a new bus path, the bus hardware resources can be saved, and the situation that the audio is played in a disordered way or the audio is played in a failed way can be avoided.
In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It should be noted that: the foregoing sequence of the embodiments of the present application is for description only and does not represent the superiority and inferiority of the embodiments, and the specific embodiments are described in the specification, and other embodiments are also within the scope of the appended claims. In some cases, the actions or steps recited in the claims can be performed in the order of execution in different embodiments and achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown or connected to enable the desired results to be achieved, and in some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on differences from other embodiments. In particular, for the embodiment of the method, since it is based on the embodiment similar to the system embodiment, the description is simple, and for the relevant points, refer to the partial description of the embodiment of the method.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. An audio switching system, comprising: the system comprises a human-computer interaction system, an audio management system, a channel management system and an audio digital processing system which are connected in sequence;
the human-computer interaction system is used for responding to a trigger instruction of a user and sending the audio to be played corresponding to the trigger instruction to the audio management system;
the audio management system is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio;
the channel management system is used for determining a target channel corresponding to the audio to be played from a candidate channel set and sending the audio to be played to the audio digital processing system based on the target channel;
the audio digital processing system is configured to determine a target digital signal processing module corresponding to the audio to be played, and switch the currently played audio to the audio to be played based on the target digital signal processing module and the playing information.
2. The system of claim 1, wherein the human-computer interaction system comprises a multimedia audio response module, a navigation audio response module, a voice wake-up response module and a call response module;
the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent from each other.
3. The system of claim 2, wherein the set of candidate channels comprises a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a talk channel, and a standby channel;
the multimedia audio channel corresponds to the multimedia audio response module;
the navigation audio channel corresponds to the navigation audio response module;
the voice awakening channel corresponds to the voice awakening response module;
the call channel corresponds to the call response module;
the standby channel corresponds to the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module.
4. The system of claim 1, wherein the audio management system comprises a priority determination module and a playback information determination module;
the priority determining module is used for determining the priority of the audio to be played and the currently played audio;
the playing information determining module is used for determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio; the playing information comprises the frequency, the volume and the tone of the audio to be played.
5. An audio switching method, comprising:
controlling a human-computer interaction system to respond to a trigger instruction of a user, and sending the audio to be played corresponding to the trigger instruction to an audio management system;
controlling the audio management system to judge the priority of the audio to be played and the currently played audio, and determining the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio;
the control channel management system determines a target channel corresponding to the audio to be played from the candidate channel set and sends the audio to be played to the audio digital processing system based on the target channel;
and controlling an audio digital processing system to determine a target digital signal processing module corresponding to the audio to be played, and switching the currently played audio to the audio to be played based on the target digital signal processing module and the playing information.
6. The method of claim 5, wherein the human-computer interaction system comprises a multimedia audio response module, a navigation audio response module, a voice wake-up response module and a call response module;
the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module are independent from each other.
7. The method of claim 5, wherein the set of candidate channels comprises a multimedia audio channel, a navigation audio channel, a voice wake-up channel, a talk channel, and a standby channel;
the multimedia audio channel corresponds to the multimedia audio response module;
the navigation audio channel corresponds to the navigation audio response module;
the voice awakening channel corresponds to the voice awakening response module;
the call channel corresponds to the call response module;
the standby channel corresponds to the multimedia audio response module, the navigation audio response module, the voice awakening response module and the call response module.
8. The method of claim 5, wherein the audio management system comprises a priority determination module and a playback information determination module;
the control channel management system determines a target channel corresponding to the audio to be played from a candidate channel set, and sends the audio to be played to the audio digital processing system based on the target channel, and the control channel management system includes:
controlling the priority determining module to determine the priority of the audio to be played and the currently played audio;
controlling the playing information determining module to determine the playing information of the audio to be played when the priority of the audio to be played is higher than that of the currently played audio; the playing information comprises the frequency, the volume and the tone of the audio to be played.
9. An electronic device comprising a processor and a memory, wherein the memory has stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by the processor to implement the audio switching method of any of claims 5-8.
10. A computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the audio switching method of any of claims 5-8.
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| CN202111184721.9A Pending CN113986186A (en) | 2021-10-11 | 2021-10-11 | Audio switching system, method, electronic equipment and storage medium |
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