CN118413767A

CN118413767A - Multichannel listening, wetting and recording system and sound box equipment

Info

Publication number: CN118413767A
Application number: CN202410663859.4A
Authority: CN
Inventors: 王明海; 尤丰
Original assignee: Magic Sound Technology Shenzhen Co ltd
Current assignee: Magic Sound Technology Shenzhen Co ltd
Priority date: 2024-05-27
Filing date: 2024-05-27
Publication date: 2024-07-30

Abstract

The application relates to the technical field of sound boxes, in particular to a multichannel listening, wetting and recording system and sound box equipment, which comprise an audio input module, a wet sound processing module and a track-dividing recording module; the audio input module comprises a plurality of audio channels and is used for acquiring an audio signal group; the wet sound processing module comprises a sound mixing unit and a wet sound output processing unit, wherein the sound mixing unit is respectively connected with a plurality of audio channels of the audio input module and is used for carrying out sound mixing processing on the audio signal group so as to obtain wet sound audio signals, and the wet sound output processing unit is used for adjusting or outputting the wet sound audio signals; the track-dividing recording module comprises a plurality of recording tracks and is used for acquiring a plurality of independent audio signals in the audio signal group so as to obtain dry audio signals of a plurality of audio channels. The application can improve the sound effect processing and the recording effect of various audio corresponding to the input of each sound source under the condition of inputting various sound sources.

Description

Multichannel listening, wetting and recording system and sound box equipment

Technical Field

The application relates to the technical field of sound boxes, in particular to a multichannel listening, wetting and recording system and sound box equipment.

Background

The sound box is an audio output device, which is used for amplifying sound so that people can hear music, movie sound tracks or other sounds, and is widely applied to various singing and dance performances, in various singing and dance performances, various musical instrument accompaniment is possibly needed to be adopted to match with human voice performances according to performance requirements, and along with the increasing of use requirements, the use requirements for sound effect processing are also improved, and under the condition of inputting various sound sources, the sound effect processing is also carried out, and the recording of various kinds of audio corresponding to the input of various sound sources brings greater test, so that how to improve the sound effect processing under the condition of inputting various sound sources and the recording effect of various kinds of audio corresponding to the input of various sound sources is a technical problem to be solved urgently.

Disclosure of Invention

The embodiment of the application provides a multichannel listening, wetting and recording system and sound box equipment, which can improve sound effect processing and recording effects of various types of audio corresponding to the input of various sound sources under the condition of realizing the input of various sound sources.

The first aspect of the application provides a multi-channel listening, wetting and recording system: a multi-channel listening, wetting and recording system is applied to a sound box and comprises an audio input module, a wet sound processing module and a track dividing recording module;

The audio input module comprises a plurality of audio channels, each audio channel corresponds to an audio signal of one sound source, and the audio input module is used for acquiring an audio signal group, wherein the audio signal group comprises audio signals of all the sound sources corresponding to the audio channels;

The wet sound processing module comprises a sound mixing unit and a wet sound output processing unit, wherein the sound mixing unit is respectively connected with a plurality of audio channels of the audio input module and is used for carrying out sound mixing processing on the audio signal group so as to obtain a wet sound audio signal, and the wet sound output processing unit is used for adjusting or outputting the wet sound audio signal;

The track-dividing recording module comprises a plurality of recording tracks, each recording track is correspondingly connected with one audio channel and is used for acquiring a plurality of independent audio signals in the audio signal group so as to obtain a plurality of dry audio signals of the audio channels.

By adopting the technical scheme, the audio input module comprises a plurality of audio channels, each audio channel receives an audio signal of one sound source to obtain an audio signal group, the audio signal group can be input into the wet sound processing module, the audio signals of the plurality of channels are mixed by the audio mixing module, and the mixed audio signals are processed by the wet sound output processing unit to obtain wet sound for playing; on the other hand, the track-dividing recording module records the audio signals of all the audio channels on the audio input module through a plurality of recording tracks, and stores the audio signals respectively so as to obtain recorded dry sound signals. Thus, the audio signal separation of multiple sound sources is realized while the listening, wetting and recording functions are realized, so that under the condition of realizing the input of multiple sound sources, the sound effect processing and the recording effect of various types of audio corresponding to the input of each sound source are improved.

Optionally, each of the audio channels includes a power amplifier and an analog-to-digital converter;

the power amplifier is used for amplifying the audio signal acquired by the audio channel to obtain an amplified audio signal, and the analog-to-digital converter is used for performing analog-to-digital conversion on the amplified audio signal to obtain an audio signal for outputting to the audio mixing unit.

By adopting the technical scheme, the audio signals received by each audio channel in the audio input module are amplified by the power amplifier so as to drive the corresponding loudspeaker to generate sound, and then the analog-to-digital conversion processing is carried out again so as to obtain digital signals which can be output to the wet sound processing module and the track-dividing recording module, thereby being convenient for subsequent wet sound processing and dry sound track-dividing recording.

Optionally, the wet sound output processing unit comprises a wet sound modulation subunit, and the wet sound modulation subunit is connected with an external MCU;

The MCU is used for acquiring a first wet sound adjusting signal and/or a second wet sound adjusting signal which are input from the outside, wherein the first wet sound adjusting signal is a parameter adjusting signal sent by corresponding hardware equipment, and the second wet sound adjusting signal is a parameter adjusting signal sent by corresponding APP;

The MCU is also used for controlling the wet sound output processing unit to adjust the wet sound frequency signal according to the first wet sound adjusting signal and/or the second wet sound adjusting signal.

Optionally, the adjustable parameter of the wet sound output processing unit is one or more of a gain parameter, a bass parameter, a midrange parameter, a treble parameter, a reverberation parameter, a harmony parameter, a delay parameter and an equalization parameter.

By adopting the technical scheme, the first wet sound adjusting signal can be controlled and sent through related hardware equipment, the second wet sound adjusting signal can be sent through software control on related mobile equipment, and the adjustable parameters corresponding to the wet sound audio signals can be adjusted according to the first wet sound adjusting signal and/or the second wet sound adjusting signal so as to adjust the formed wet sound effect.

Optionally, the wet sound output processing unit includes an earphone output subunit and a speaker output subunit;

the earphone output subunit is connected with an external digital-to-analog converter and is used for performing digital-to-analog conversion on the wet sound frequency signal to obtain an audio analog signal output to target earphone equipment;

The loudspeaker output subunit comprises two output ends, one output end of the loudspeaker output subunit is connected with an external low-pass filter, the other output end of the loudspeaker output subunit is connected with an external high-pass filter, the low-pass filter and the high-pass filter are connected with target loudspeaker equipment, and the loudspeaker output subunit is used for outputting the wet audio signals processed by the low-pass filter and the high-pass filter to the target loudspeaker equipment.

By adopting the technical scheme, the wet sound output processing unit is divided into earphone output and loudspeaker output, and the earphone output is converted into an audio analog signal suitable for target earphone equipment through a digital-to-analog converter (DAC in fig. 2); the speaker outputs are respectively subjected to high-pass filtering and low-pass filtering, and the high-pass filtered audio signal and the low-pass filtered audio signal are output to the target speaker device for speaker output.

Optionally, the audio input module includes a microphone input subunit and an instrument input subunit, where the microphone input subunit is configured to obtain audio signals input by the target microphone, and the instrument input subunit is configured to obtain audio signals input by a plurality of target instruments.

Optionally, the target musical instrument is any one of a wood guitar audio, an electric bass audio, an electronic drum and a keyboard.

Through adopting above-mentioned technical scheme, audio input module divide into many audio channels, and many audio channels divide into the microphone input subunit that is used for the microphone input and the musical instrument input subunit that is used for various musical instrument input, can classify according to audio characteristics such as tone, record in the audio channel that corresponds to follow-up track record dry sound.

Optionally, the track-dividing recording module is connected with an external storage device, and is used for storing the dry audio signals of the plurality of audio channels to the storage device.

Through adopting above-mentioned technical scheme, through modes such as mobile hard disk, mobile device USB flash disk, store the dry sound of each audio channel of dividing track recording module to follow-up on electronic equipment such as computer, carry out secondary treatment optimization through special mixing software.

The second aspect of the application provides a multi-channel audio recording and drying sound box device, which is provided with the multi-channel audio recording and drying system.

In summary, the present application includes at least one of the following beneficial effects:

1. The audio input module comprises a plurality of audio channels, each audio channel receives an audio signal of one sound source to obtain an audio signal group, the audio signal group can be input into the wet sound processing module, the audio signals of the plurality of channels are mixed by the mixing module, and the mixed audio signals are processed by the wet sound output processing unit to obtain wet sound for playing; on the other hand, the track-dividing recording module records the audio signals of all the audio channels on the audio input module through a plurality of recording tracks, and stores the audio signals respectively so as to obtain recorded dry sound signals. Thus, the audio signal separation of multiple sound sources is realized while the listening, wetting and recording functions are realized, so that under the condition of realizing the input of multiple sound sources, the sound effect processing and the recording effect of various types of audio corresponding to the input of each sound source are improved.

2. The first wet sound adjusting signal can be sent through related hardware equipment control, the second wet sound adjusting signal can be sent through related software control on the mobile equipment, and according to the first wet sound adjusting signal and/or the second wet sound adjusting signal, adjustable parameters corresponding to the wet sound audio signals can be adjusted to adjust the formed wet sound effect, and the adjustable parameters of the wet sound output processing unit are one or more parameters of gain parameters, bass parameters, midrange parameters, treble parameters, reverberation parameters, harmony parameters, delay parameters and equalization parameters.

3. The audio input module is divided into a plurality of audio channels, the plurality of audio channels are divided into a microphone input subunit used for microphone input and a musical instrument input subunit used for input of various musical instruments, the audio channels can be classified according to audio characteristics such as tone, and the like, and recorded into corresponding audio channels so as to record dry sounds in a follow-up track, and the dry sounds stored in the audio channels of the track-dividing recording module are stored in a mode such as a mobile hard disk, a mobile device U disk and the like so as to be convenient to optimize secondary processing of follow-up on electronic equipment such as a computer and the like through special audio mixing software.

Drawings

FIG. 1 is a block diagram of a multi-channel system for listening, wetting and recording according to an embodiment of the present application;

Fig. 2 is a schematic structural diagram of a multi-channel listening, wetting and recording system according to an embodiment of the present application.

Detailed Description

The following examples will assist those skilled in the art in further understanding the function of the present application, but are not intended to limit the application in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present application.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As used in the present description and the appended claims, the term "if" may be interpreted in context as "when …" or "once" or "in response to a determination" or "in response to detection. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".

Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

In order to make the purposes, technical schemes and advantages of the application more clear, the multi-channel hearing, wetting and recording method of the application is described below from the perspective of multi-channel hearing, wetting and recording equipment, the multi-channel hearing, wetting and recording equipment can be electronic equipment, and the electronic equipment can be, for example, equipment such as a mobile phone terminal, a computer terminal and the like.

The present application will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a multi-channel listening, wetting and recording system provided by an embodiment of the present application, where the system is applied to a sound box device, and includes an audio input module 1, a wet sound processing module 2 and a track-dividing recording module 3, and referring to fig. 2, fig. 2 is a schematic structural diagram of a multi-channel listening, wetting and recording system provided by an embodiment of the present application, and the following specific description of each module in fig. 1 is given with reference to fig. 2:

regarding the audio input module 1: the audio input module 1 comprises a plurality of audio channels, each audio channel corresponds to an audio signal of a sound source, and the audio input module 1 is used for obtaining an audio signal group, wherein the audio signal group comprises audio signals of all the sound sources corresponding to the audio channels.

Specifically, the audio input module includes a microphone input subunit 11 and an instrument input subunit 12, where the audio signals received by the corresponding audio channels can be determined according to actual requirements, one audio channel receives an audio input signal with audio characteristics such as a tone, one or more audio channels of the audio signals sent by the microphone input subunit 11, i.e. a human voice, etc., and the instrument input subunit 12, i.e. one or more audio channels sent by various instruments, and in the embodiment of the present application, the audio channels include a microphone channel 1, a microphone channel 2, a wooden guitar audio channel, an electric bass audio channel, an electronic drum channel and a keyboard channel. When the track and channel separation is carried out, the track separation receiving can be carried out according to the audio characteristics and other information such as tone and the like corresponding to the input audio.

More specifically, the audio signals received by the track division are amplified by a power amplifier (PA in fig. 2) so as to drive the corresponding speaker to generate sound, and then are subjected to an analog-to-digital conversion process to obtain digital signals which can be output to the wet sound processing module and the track division recording module, so that subsequent wet sound processing and dry track division recording are facilitated, and therefore, each audio channel of the embodiment of the present application is provided with a power amplifier and an analog-to-digital converter (ADC in fig. 2) for performing analog-to-digital conversion, namely:

Each of the audio channels includes a power amplifier and an analog-to-digital converter;

More specifically, in one possible embodiment, in a concert including a live audience, a usage scenario of a microphone user (i.e., a singer) may generate a human voice noise, or in another possible embodiment, based on other unnecessary noise generated by a live reason, a subsequent wet sound may be affected by entering from the microphone, so in the embodiment of the present application, the input sound of the microphone may be screened, the prepared voiceprint extraction is performed first, the audio with the most voiceprint features is extracted, the first target audio is set, and then the live audio extracted according to the voiceprint features of the singer is the second target audio, and the two audios are matched with each other to determine the similarity between the two audios, so as to determine whether the subsequent wet sound generated and the dry sound recorded by the track are the required corresponding audios, thereby avoiding the interference of other external sounds, and improving the recording effect and the playing effect.

Regarding the wet sound processing module 2: the wet sound processing module 2 includes a mixing unit 21 and a wet sound output processing unit 22, the mixing unit 21 is respectively connected to a plurality of audio channels of the audio input module 1, and is configured to mix the audio signal set to obtain a wet sound audio signal, and the wet sound output processing unit 22 is configured to adjust or output the wet sound audio signal.

Specifically, the wet sound processing module 2 is configured to process the audio signals input by multiple channels to obtain wet sound, where the wet sound is a sound recording processed by an effector, such as adding effects of equalization, compression, reverberation, and the like. Wet sound gives people a sound with increased richness and stereo perception, and sounds more pleasant and spatially. In a sound studio, in order for a singer or a recorder to hear a beautified sound in real time, a return mix containing wet sounds is generally provided.

More specifically, in order to generate and play wet sound, the audio signals processed in each channel are firstly subjected to a mixing operation by the mixing unit 21 to obtain an initial wet sound to be processed, and then processed or output by the wet sound output processing unit 22, where the wet sound output processing unit 22 may include a subunit for controlling the effect of generating the wet sound, and the following details of the wet sound audio signal tuning are described below:

the wet sound output processing unit comprises a wet sound modulation subunit 221, and the wet sound modulation subunit 221 is connected with an external MCU;

The MCU is further configured to control the wet sound output processing unit 22 to adjust the wet sound audio signal according to the first wet sound adjustment signal and/or the second wet sound adjustment signal.

Specifically, the MCU communicates with the wet-sound adjusting subunit 221, and related personnel can perform parameter adjustment through corresponding hardware devices, in this embodiment, the related external hardware devices may send the first wet-sound adjusting signal to the MCU through multiple modes such as a key, a sliding screen, and audio control, and may also connect with the MCU through mobile devices such as a mobile phone, where the mobile devices may be connected with the MCU through multiple communication modes such as wired communication, bluetooth, NPC, and the like, and perform parameter adjustment through APP on the mobile phone, so as to send the second wet-sound adjusting signal to the MCU. The MCU, after receiving the first wet sound adjustment signal and/or the second wet sound adjustment signal, will feed back to the wet sound adjustment subunit 221 to control the mixing unit 21, so as to generate different wet sound playing and playing effects.

More specifically, the tuning parameters of the wet sound include, but are not limited to, one or more of gain parameters, bass parameters, mid-range parameters, treble parameters, reverberation parameters, and harmony parameters, delay parameters, and equalization parameters of the wet sound output processing unit. The play effect of the wet sound can be changed through the adjusted parameters, the wet sound is divided into an earphone output mode and a loudspeaker output mode according to actual requirements, and the two output modes are specifically described below:

the wet sound output processing unit 22 further includes an earphone output sub-unit 222 and a speaker output sub-unit 223;

the earphone output subunit 222 is connected to an external digital-to-analog converter, and is configured to perform digital-to-analog conversion on the wet audio signal, so as to obtain an audio analog signal output to a target earphone device;

the speaker output subunit 223 includes two output terminals, one output terminal of the speaker output subunit 223 is connected to an external low-pass filter (LPF in fig. 2), the other output terminal of the speaker output subunit 223 is connected to an external high-pass filter (HPF in fig. 2), and the low-pass filter and the high-pass filter are connected to a target speaker device for outputting the wet audio signal processed by the low-pass filter and the high-pass filter to the target speaker device.

In particular, low-pass filtering is used to remove audio signals above a certain frequency, typically to remove high-frequency noise, such as some sharp sounds that are not desired in the final recording, whereas high-pass filtering, as opposed to low-pass, is used to remove audio signals below a certain frequency, typically to remove low-frequency noise, such as ambient noise or the boom of the microphone itself.

Regarding the track-dividing recording module 3: the track-dividing recording module 3 comprises a plurality of recording tracks, and each recording track is correspondingly connected with one audio channel and is used for acquiring a plurality of independent audio signals in the audio signal group so as to obtain a plurality of dry audio signals of the audio channels.

Specifically, the track-dividing recording module 3 is provided with a plurality of recording tracks, and correspondingly connected with a plurality of audio channels passing through the audio input module 1, so as to record tracks, and record dry sounds input by different microphones and different musical instruments. Dry sound refers to an audio signal that is directly conveyed from a microphone to a recording device without any human processing or processing of hardware effects. This sound is the recording closest to the original state, and may significantly highlight possible defects in the recording. Due to its purity, dry sound is often used in post-production for mixing and effect processing.

More specifically, the track-laying recording module 3 may be further connected to an external storage device for storing the dry audio signals of a plurality of the audio channels to the storage device.

Specifically, the dry sound of each audio channel stored in the track-dividing recording module can be stored in a mobile hard disk, a mobile device USB flash disk and the like, so that secondary processing optimization can be conveniently carried out on electronic equipment such as a computer and the like through special audio mixing software.

The embodiment of the application also discloses a multi-channel audio equipment with the above-mentioned multi-channel audio equipment structure.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus/network device and method may be implemented in other manners. For example, the apparatus/network device embodiments described above are merely illustrative, e.g., the division of modules or elements is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.

The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. A multichannel system of listening wet recording is applied to audio amplifier, its characterized in that: the system comprises an audio input module, a wet sound processing module and a track dividing recording module;

2. The multi-channel listening, wetting and recording system of claim 1, wherein: each of the audio channels includes a power amplifier and an analog-to-digital converter;

3. The multi-channel listening, wetting and recording system of claim 1, wherein: the wet sound output processing unit comprises a wet sound adjusting ginseng subunit which is connected with an external MCU;

4. A multi-channel listening, wet and dry recording system as set forth in claim 3 wherein: the adjustable parameters of the wet sound output processing unit are one or more of gain parameters, bass parameters, midrange parameters, treble parameters, reverberation parameters, harmony parameters, delay parameters and equalization parameters.

5. The multi-channel listening, wetting and recording system of claim 1, wherein: the wet sound output processing unit comprises an earphone output subunit and a loudspeaker output subunit;

6. The multi-channel listening, wetting and recording system of claim 1, wherein: the audio input module comprises a microphone input subunit and an instrument input subunit, wherein the microphone input subunit is used for acquiring audio signals input by a target microphone, and the instrument input subunit is used for acquiring audio signals input by a plurality of target instruments.

7. The multi-channel listening, wetting and recording system of claim 6, wherein: the target musical instrument is any one of wood guitar audio, electric bass audio, electronic drum and keyboard.

8. The multi-channel listening, wetting and recording system of claim 1, wherein: the track-dividing recording module is connected with an external storage device and is used for storing the dry audio signals of the plurality of audio channels to the storage device.

9. A multi-channel audio recording and drying sound box device characterized by being provided with a multi-channel audio recording and drying system according to any one of claims 1-8.