CN109346094A - Processing method, terminal and the computer readable storage medium of audio - Google Patents
Processing method, terminal and the computer readable storage medium of audio Download PDFInfo
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- 238000012545 processing Methods 0.000 claims abstract description 153
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- 238000004088 simulation Methods 0.000 claims abstract description 26
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
- G10L21/034—Automatic adjustment
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/04—Time compression or expansion
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
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Abstract
The invention discloses a kind of processing methods of audio, comprising: receives the first audio data of simulation input output channel input；Preposition algorithm process is carried out to first audio data and obtains the first preposition processing data；Described first preposition processing data are transmitted to described from core board, so that described carry out postposition algorithm processing to the described first preposition processing data from core board, the first postpositive disposal data are formed, and export the first postpositive disposal data by digital audio I/O channel.Invention additionally discloses a kind of terminal and computer readable storage mediums.Scheme provided by the invention can run Topology Algorithm from core board, to make to be fully used from the central processing unit of core board.
Description
Technical field
The present invention relates to audio signal processing technique fields more particularly to a kind of processing method of audio, terminal and computer can
Read storage medium.
Background technique
Existing digital audio processor generally uses dual chip (DSP+ARM) to develop, and main core board (DSP) is mainly handled
Topology Algorithm only handles feedback elimination, echo cancellation algorithm from core board (DSP).Topology Algorithm carries out on main core board entirely
Processing, causes the load too high of main core board；And from core board after opening echo cancellor, feedback elimination etc., central processing system
System (CPU) at most just consumes 60%, therefore underuses from the CPU of core board, will cause the wasting of resources.
Summary of the invention
The main purpose of the present invention is to provide a kind of processing method of audio, terminal and computer readable storage medium,
It aims to solve the problem that in digital audio processor from the technical problem that the central processing unit utilization rate of core board is low.
To achieve the above object, the present invention provides a kind of processing method of audio, and the processing method of the audio includes:
Receive the first audio data of simulation input output channel input；
Preposition algorithm process is carried out to first audio data and obtains the first preposition processing data；
Described first preposition processing data are transmitted to it is described from core board so that it is described from core board to described first before
It sets processing data and carries out postposition algorithm processing, form the first postpositive disposal data, and pass through the first postpositive disposal data
The output of digital audio I/O channel.
Preferably, described that described first preposition processing data are transmitted to from core board, so that described from core board pair
The first preposition processing data carry out postposition algorithm processing, form the first postpositive disposal data, and will be at first postposition
Managing the step of data are exported by digital audio output channel includes:
Described first preposition processing data are transmitted to from core board, so that described preposition to described first from core board
It handles data and described from the preposition processing data progress postposition algorithm processing of second in core board, forms the second postpositive disposal number
According to, and the second postpositive disposal data are exported by digital audio output channel, wherein the second preposition processing data
It is generated from core board based on the second audio data and preposition algorithm for receiving the input of digital audio I/O channel by described.
Preferably, the processing method of the audio further include:
Receive the described second preposition processing data transmitted from core board；
Postposition algorithm processing is carried out to the described second preposition processing data, forms third postpositive disposal data；
The third postpositive disposal data are exported by simulation input output channel.
Preferably, described in the reception from core board transmit the described second preposition processing data the step of after also wrap
It includes:
Postposition algorithm processing is carried out to the described second preposition processing data and the first preposition processing data, forms the 4th postposition
Handle data；
The 4th postpositive disposal data are exported by simulation input output channel.
Preferably, described that the step that preposition algorithm process obtains the first preposition processing data is carried out to first audio data
Include: before rapid
Obtain the configuration file stored in memory；
Corresponding preposition algorithm and postposition algorithm are determined according to the configuration file.
Preferably, the processing method of the audio further include:
Receive the state of the digital audio I/O channel by preposition algorithm process transmitted from core board；
It handles state progress postposition algorithm to obtain state processing data；
The state processing data are passed through into network interface transfers to display interface.
Preferably, the preposition algorithm include: expansion algorithm, compression algorithm, the first equalization algorithm, automatic gain algorithm,
Threshold type automatic audio mixing algorithm, the automatic echo-algorithm of share-type, echo cancellation algorithm, feedback inhibition algorithm and noise, which are eliminated, to be calculated
Method.
Preferably, the postposition algorithm include delay algorithm, the second equalization algorithm, agc algorithm, filtering algorithm and
Slicing algorithm.
In addition, including processor, memory and being stored on the memory the present invention also provides a kind of terminal
The processing routine for the audio that can be executed by the processor, wherein when the processing routine of the audio is executed by the processor,
The step of realizing the processing method of audio as described above.
The present invention also provides a kind of computer readable storage medium, audio is stored on the computer readable storage medium
Processing routine, wherein when the processing routine of the audio is executed by processor, realize the processing method of audio as described above
The step of.
In technical solution of the present invention, the first audio data of simulation input output channel input is received；To the first audio number
The first preposition processing data are obtained according to preposition algorithm process is carried out；First preposition processing data are transmitted to from core board, so that
Postposition algorithm processing is carried out to the first preposition processing data from core board, forms the first postpositive disposal data, and make the first postposition
Processing data are exported by digital audio I/O channel.By the above-mentioned means, terminal of the invention can will pass through it is preposition
The audio data of algorithm process is transmitted to from core board, from core board to the audio data after preposition algorithm process of transmission
Postposition algorithm processing is carried out, then postposition algorithm treated audio data is exported by digital audio I/O channel.Cause
This, scheme provided by the invention can run Topology Algorithm from core board, to make to obtain from the central processing unit of core board
To making full use of.
Detailed description of the invention
Fig. 1 is the hardware structural diagram of terminal involved in the embodiment of the present invention；
Fig. 2 is the flow diagram of the processing method first embodiment of audio of the present invention；
Fig. 3 is the flow diagram of the processing method second embodiment of audio of the present invention；
Fig. 4 is the flow diagram of the processing method 3rd embodiment of audio of the present invention；
Fig. 5 is the flow diagram of the processing method fourth embodiment of audio of the present invention；
Fig. 6 is the flow diagram of the 5th embodiment of processing method of audio of the present invention；
Fig. 7 is the flow diagram of the processing method sixth embodiment of audio of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present embodiments relate to the processing method of audio be mainly used in terminal, which is with display and audio
The equipment of processing function can be mobile communication equipment, such as smart phone, multimedia handset etc.；It can also be portable calculating
Machine, such as ipad, laptop etc.；It can also be portable entertainment device, such as handheld device, video player etc..
Referring to Fig.1, Fig. 1 is terminal structure schematic diagram involved in the embodiment of the present invention.In the embodiment of the present invention, eventually
End may include processor 1001 (such as CPU), communication bus 1002, user interface 1003, network interface 1004, memory
1005.Wherein, communication bus 1002 is for realizing the connection communication between these components；User interface 1003 may include display
Shield (Display), input unit such as keyboard (Keyboard)；Network interface 1004 optionally may include that the wired of standard connects
Mouth, wireless interface (such as WI-FI interface)；Memory 1005 can be high speed RAM memory, be also possible to stable memory
(non-volatile memory), such as magnetic disk storage, memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
It will be understood by those skilled in the art that hardware configuration shown in Fig. 1 does not constitute the restriction to equipment, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
With continued reference to Fig. 1, the memory 1005 in Fig. 1 as a kind of computer readable storage medium may include operation system
The processing routine of system, network communication module and audio.
In Fig. 1, network communication module is mainly used for connecting server, carries out data communication with server；And processor
1001 can call the processing routine of the audio stored in memory 1005, and execute following operation:
Receive the first audio data of simulation input output channel input；
Preposition algorithm process is carried out to first audio data and obtains the first preposition processing data；
Described first preposition processing data are transmitted to it is described from core board so that it is described from core board to described first before
It sets processing data and carries out postposition algorithm processing, form the first postpositive disposal data, and pass through the first postpositive disposal data
The output of digital audio I/O channel.
Further, processor 1001 can call the processing routine of the audio stored in memory 1005, and execute with
Lower operation:
It is described that described first preposition processing data are transmitted to from core board so that it is described from core board to described first
Preposition processing data carry out postposition algorithm processing, form the first postpositive disposal data, and the first postpositive disposal data are led to
Crossing the step of digital audio output channel exports includes:
Described first preposition processing data are transmitted to from core board, so that described preposition to described first from core board
It handles data and described from the preposition processing data progress postposition algorithm processing of second in core board, forms the second postpositive disposal number
According to, and the second postpositive disposal data are exported by digital audio output channel, wherein the second preposition processing data
It is generated from core board based on the second audio data and preposition algorithm for receiving the input of digital audio I/O channel by described.
Further, processor 1001 can call the processing routine of the audio stored in memory 1005, and execute with
Lower operation:
Receive the described second preposition processing data transmitted from core board；
Postposition algorithm processing is carried out to the described second preposition processing data, forms third postpositive disposal data；
The third postpositive disposal data are exported by simulation input output channel.
Further, described in the reception from core board transmit the described second preposition processing data the step of after, locate
Reason device 1001 can call the processing routine of the audio stored in memory 1005, and execute following operation:
Postposition algorithm processing is carried out to the described second preposition processing data and the first preposition processing data, forms the 4th postposition
Handle data；
The 4th postpositive disposal data are exported by simulation input output channel.
Further, described that the preposition processing data of preposition algorithm process acquisition first are carried out to first audio data
Before step, processor 1001 can call the processing routine of the audio stored in memory 1005, and execute following operation:
Obtain the configuration file stored in memory；
Corresponding preposition algorithm and postposition algorithm are determined according to the configuration file.
Further, processor 1001 can call the processing routine of the audio stored in memory 1005, and execute with
Lower operation:
Receive the state of the digital audio I/O channel by preposition algorithm process transmitted from core board；
It handles state progress postposition algorithm to obtain state processing data；
The state processing data are passed through into network interface transfers to display interface.
Further, the preposition algorithm includes: expansion algorithm, compression algorithm, the first equalization algorithm, automatic gain calculation
Method, threshold type automatic audio mixing algorithm, echo cancellation algorithm, feedback inhibition algorithm and noise cancelling alorithm.
Further, the postposition algorithm includes delay algorithm, the second equalization algorithm, agc algorithm, filtering algorithm
And slicing algorithm.
Based on the hardware configuration of above-mentioned terminal, each embodiment of the processing method of audio of the present invention is proposed.
The present invention provides a kind of processing method of audio.
Referring to Fig. 2, in the first embodiment of the invention, the processing method of audio the following steps are included:
Step S100 receives the first audio data of simulation input output channel input；
Main core board is equipped in terminal of the invention, main core board connect with simulation input output channel, from core board and
Digital audio I/O channel (digital audio I/O channel) connection, main core board and from passing through UPP between core board
It is communicated.When handling audio data, main core board receives the first audio number of simulation input output channel input
According to.
Step S200 carries out preposition algorithm process to first audio data and obtains the first preposition processing data；
Preposition algorithm process is carried out to the first audio data of the simulation input output channel input received and obtains first
Preposition processing data.Preposition algorithm includes but is not limited to: expansion algorithm, compression algorithm, the first equalization algorithm, automatic gain are calculated
Method, threshold type automatic audio mixing algorithm, echo cancellation algorithm, feedback inhibition algorithm and noise cancelling alorithm.Wherein, expansion algorithm energy
Enough reduce the noise of audio；Compression algorithm being capable of side by audio signal more than some signal value by being compressed with certain proportion
Method reduces the dynamic of audio data；First equalization algorithm is used to adjust the frequency of voiceband data signal；Automatic gain algorithm
It can be when voiceband data signal inputs unstable, by audio data momentary stabilization in the range of setting；Threshold type is automatic
Mixed Audio Algorithm can improve system sound transmission gain to greatest extent；Echo cancellation algorithm can eliminate echo；Feedback inhibition
Algorithm can inhibit the feedback of audio；Noise cancelling alorithm can eliminate the noise in audio.
Step S300, the described first preposition processing data are transmitted to it is described from core board so that described from core board pair
The first preposition processing data carry out postposition algorithm processing, form the first postpositive disposal data, and make at first postposition
Reason data are exported by digital audio I/O channel.
Specifically, the first preposition processing data are transmitted to by UPP from core board, it is preposition to receive first from core board
After handling data, postposition algorithm processing is carried out to the first preposition processing data, forms the first postpositive disposal data, it will from core board
First postpositive disposal data are exported by digital audio I/O channel (channel Dante).Pass through digital audio input and output
Channel transfer the first postpositive disposal data can be realized the lossless transmission of audio data.
It should be noted that postposition algorithm includes but is not limited to delay algorithm, the second equalizer algorithm, gain control calculation
Method, algorithm filter and limiter algorithm, delay algorithm can reduce the delay of audio data transmission；Second equalization algorithm can
Improve sound result of broadcast；Agc algorithm can reduction gain to larger voiceband data signal, to lesser audio number
It is believed that number not handling；Filtering algorithm can filter out AC noise and noise and inductive signal；Slicing algorithm can make audio data
Signal amplitude keep stablize.
In technical solution of the present invention, the first audio data of simulation input output channel input is received；To the first audio number
The first preposition processing data are obtained according to preposition algorithm process is carried out；First preposition processing data are transmitted to from core board, so that
Postposition algorithm processing is carried out to the first preposition processing data from core board, forms the first postpositive disposal data, and make the first postposition
Processing data are exported by digital audio I/O channel.By the above-mentioned means, terminal of the invention can will pass through it is preposition
The audio data of algorithm process is transmitted to from core board, from core board to the audio data after preposition algorithm process of transmission
Postposition algorithm processing is carried out, then postposition algorithm treated audio data is exported by digital audio I/O channel.Cause
This, scheme provided by the invention can run Topology Algorithm from core board, to make to obtain from the central processing unit of core board
To making full use of.
Further, referring to figure 3., Fig. 3 is the flow diagram of the processing method second embodiment of audio of the present invention, base
In first embodiment, step S300 includes:
Described first preposition processing data are transmitted to from core board by step S310 so that it is described from core board to institute
It states the first preposition processing data and described from the preposition processing data progress postposition algorithm processing of second in core board, forms second
Postpositive disposal data, and the second postpositive disposal data are exported by digital audio output channel, wherein before described second
Set processing data by it is described from core board based on the second audio data and preposition for receiving digital audio I/O channel and inputting
Algorithm is generated.
Specifically, the second audio data inputted from digital audio I/O channel can be carried out from core board preposition
Algorithm process obtains the second preposition processing data, then the first preposition processing data and the second preposition processing data is carried out together
Postposition algorithm processing obtains the second postposition algorithm processing data, the second postposition algorithm processing data is finally passed through digital audio
I/O channel output.Therefore, it can be carried out preposition algorithm process from core board, and can be carried out postposition algorithm processing,
Ensure to be fully used from the central processing unit of core board.
Further, referring to figure 4., Fig. 4 is the flow diagram of the processing method 3rd embodiment of audio of the present invention, sound
The processing method of frequency is further comprising the steps of:
Step S400 receives the described second preposition processing data transmitted from core board；
Step S500 carries out postposition algorithm processing to the described second preposition processing data, forms third postpositive disposal data；
Step S600 exports the third postpositive disposal data by simulation input output channel.
Specifically, in one embodiment, the second audio that digital audio I/O channel inputs is received from core board
After data, preposition algorithm process is carried out to second audio data, forms the second preposition processing data, then will be before second by UPP
It sets processing data and is transmitted to the main core board of terminal, main core board receives after the second preposition processing data to the second preposition processing
Data carry out postposition algorithm processing, form third postpositive disposal data, and third postposition algorithm processing data are finally passed through simulation
I/O channel output.By the cooperation from core board and main core board, second audio data is carried out respectively preposition with after
Algorithm process, the main core board of reasonable employment and the CPU from core board are set, audio data treatment effeciency is improved.
Further, referring to figure 5., Fig. 5 is the flow diagram of the processing method fourth embodiment of audio of the present invention, base
After 3rd embodiment, step S400 further include:
Step S700 carries out postposition algorithm processing, shape to the described second preposition processing data and the first preposition processing data
At the 4th postpositive disposal data；
Step S800 exports the 4th postpositive disposal data by simulation input output channel.
Specifically, in another embodiment, the main core board in terminal first receives the input of simulation input output channel
First audio data carries out preposition algorithm process to the first audio data and obtains the first preposition processing data, receives from core board
Second preposition processing data of transmission, carry out at postposition algorithm the first preposition processing data and the second preposition processing data together
Reason forms the 4th postpositive disposal data, finally exports the 4th postpositive disposal data by simulation input output channel.
Further, Fig. 6 is please referred to, Fig. 6 is the flow diagram of the 5th embodiment of processing method of audio of the present invention, base
Include: before first embodiment, step S200
Step S210 obtains the configuration file stored in memory；
Step S220 determines corresponding preposition algorithm and postposition algorithm according to the configuration file.
When handling audio data, the type of the preposition algorithm and postposition algorithm that are run in main core board and
The type of the preposition algorithm and postposition algorithm that run from core board is determined according to configuration file.Therefore, to sound
Frequency first obtains the configuration file stored in memory according to before being handled, according to what is stored in configuration file acquisition terminal
Topological process, topological process include but is not limited to the algorithm of main core board processing, the algorithm handled from core board, processing it is suitable
Sequence, the channel source of audio data and trend (input still from simulation input output channel from digital audio I/O channel
Input；Export from simulation input output channel or exported from digital audio I/O channel) etc..It can be with according to topological process
Determine the type of the preposition algorithm and postposition algorithm that run in main core board and the preposition algorithm that is run from core board and
The type of postposition algorithm.When user needs to be adjusted main core board and the preposition algorithm handled from core board and postposition algorithm
When, the algorithm types that main core board can be changed by way of the configuration file of modification storage and is handled from core board, from
And the dynamic allocation to algorithm may be implemented.
Further, Fig. 7 is please referred to, Fig. 7 is the flow diagram of the processing method sixth embodiment of audio of the present invention, base
In first embodiment, the processing method of the audio further include:
Step S910 receives the digital audio I/O channel by preposition algorithm process transmitted from core board
State；
Step S920 handles state progress postposition algorithm to obtain state processing data；
The state processing data are passed through network interface transfers to display interface by step S930.
Specifically, the state of digital audio I/O channel can be the electricity of the state of digital audio I/O channel
It is flat, in one embodiment, after the state that core board receives digital audio I/O channel, digital audio can be inputted
The state of output channel carries out preposition algorithm process, then preposition treated state is transferred to main core board, main core by UPP
Core carries out postpositive disposal to the state after preposition algorithm process received and obtains state processing data, then will be at state
Manage data and display interface uploaded to by network interface, therefore, digital audio I/O channel can level to itself into
Row reports.
In addition, in another embodiment, main core board can receive the status data of simulation input output channel transmission,
Preposition algorithm process is carried out to it；The state by preposition algorithm process transmitted from core board is received again, to by preposition
The state of the digital audio I/O channel of algorithm process and the state of simulation input output channel carry out postposition algorithm together
Processing, then the data of postpositive disposal are uploaded to by display interface by network interface.
It should be noted that since preposition algorithm process can be carried out from core board and from core board and main core board
Between can carry out UPP communication, therefore, the digital audio I/O channel connecting with from core board can also be with simulation input
Output channel participates in bus extension (GPIO) control together and handles with tone tracking.
In addition, being stored with sound on computer readable storage medium the present invention also provides a kind of computer readable storage medium
The processing routine of frequency, wherein when the processing routine of audio is executed by processor, realize the step of the processing method such as above-mentioned audio
Suddenly.
The processing routine of its sound intermediate frequency be performed realized method can refer to audio of the present invention processing method it is each
A embodiment, details are not described herein again.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of processing method of audio, which is characterized in that the processing method of the audio includes:
Receive the first audio data of simulation input output channel input；
Preposition algorithm process is carried out to first audio data and obtains the first preposition processing data；
Described first preposition processing data are transmitted to it is described from core board so that it is described from core board to described first it is preposition from
It manages data and carries out postposition algorithm processing, form the first postpositive disposal data, and the first postpositive disposal data is made to pass through number
The output of audio input output channel.
2. the processing method of audio as described in claim 1, which is characterized in that described to pass the described first preposition processing data
It transports to from core board, so that described carry out postposition algorithm processing to the described first preposition processing data from core board, forms the
One postpositive disposal data, and the step of the first postpositive disposal data are exported by digital audio output channel includes:
Described first preposition processing data are transmitted to from core board so that it is described from core board to the described first preposition processing
Data and it is described carry out postposition algorithm processing from the preposition processing data of second in core board, form the second postpositive disposal data,
And the second postpositive disposal data are exported by digital audio output channel, wherein the second preposition processing data by
It is described to be generated from core board based on the second audio data and preposition algorithm for receiving the input of digital audio I/O channel.
3. the processing method of audio as claimed in claim 2, which is characterized in that the processing method of the audio further include:
Receive the described second preposition processing data transmitted from core board；
Postposition algorithm processing is carried out to the described second preposition processing data, forms third postpositive disposal data；
The third postpositive disposal data are exported by simulation input output channel.
4. the processing method of audio as claimed in claim 3, which is characterized in that the institute transmitted described in the reception from core board
After the step of stating the second preposition processing data further include:
Postposition algorithm processing is carried out to the described second preposition processing data and the first preposition processing data, forms the 4th postpositive disposal
Data；
The 4th postpositive disposal data are exported by simulation input output channel.
5. the processing method of audio as described in claim 1, which is characterized in that before the progress to first audio data
Include: before setting the step of algorithm process obtains the first preposition processing data
Obtain the configuration file stored in memory；
Corresponding preposition algorithm and postposition algorithm are determined according to the configuration file.
6. the processing method of audio as described in claim 1, which is characterized in that the processing method of the audio further include:
Receive the state of the digital audio I/O channel by preposition algorithm process transmitted from core board；
It handles state progress postposition algorithm to obtain state processing data；
The state processing data are passed through into network interface transfers to display interface.
7. the processing method of the audio as described in claim 1 to 6, which is characterized in that the preposition algorithm includes: that extension is calculated
Method, compression algorithm, the first equalization algorithm, automatic gain algorithm, threshold type automatic audio mixing algorithm, echo cancellation algorithm, feedback suppression
Algorithm and noise cancelling alorithm processed.
8. the processing method of the audio as described in claim 1 to 6, which is characterized in that the postposition algorithm include delay algorithm,
Second equalization algorithm, agc algorithm, filtering algorithm and slicing algorithm.
9. a kind of terminal, which is characterized in that including processor, memory and be stored on the memory can be described
The processing routine for the audio that processor executes, wherein when the processing routine of the audio is executed by the processor, realize as weighed
Benefit require any one of 1 to 8 described in audio processing method the step of.
10. a kind of computer readable storage medium, which is characterized in that be stored with audio on the computer readable storage medium
Processing routine, wherein when the processing routine of the audio is executed by processor, realize as described in any one of claims 1 to 8
Audio processing method the step of.
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| CN201811036226.1A CN109346094A (en) | 2018-09-06 | 2018-09-06 | Processing method, terminal and the computer readable storage medium of audio |
| PCT/CN2019/104024 WO2020048423A1 (en) | 2018-09-06 | 2019-09-02 | Audio processing method, terminal, and computer-readable storage medium |
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