CN109451415A - Microphone array auto-collation, device, equipment and storage medium - Google Patents
Microphone array auto-collation, device, equipment and storage medium Download PDFInfo
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- CN109451415A CN109451415A CN201811542125.1A CN201811542125A CN109451415A CN 109451415 A CN109451415 A CN 109451415A CN 201811542125 A CN201811542125 A CN 201811542125A CN 109451415 A CN109451415 A CN 109451415A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
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Abstract
The invention discloses a kind of microphone array auto-collation, device, equipment and storage mediums, which comprises obtains each channel of microphone array and carries out pretreated digital audio-frequency data to the baseline audio signal picked up；The corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data；Detect whether the corresponding audio signal energies value in each channel meets default condition for consistence；If the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence, the yield value in each channel is adjusted, so that the corresponding audio signal energies value in each channel meets the default condition for consistence.The present invention, which is realized, carries out automatic Proofreading to each microphone channel of microphone array, the hardware differences of each microphone channel is made up, so that the pickup of each microphone channel meets coherence request.
Description
Technical field
The present invention relates to microphone techniques field more particularly to a kind of microphone array auto-collations, device, equipment
And storage medium.
Background technique
With the development of artificial intelligence technology, the use occasion of intelligent sound interaction is more and more, to far field speech recognition
Capability Requirement it is also higher and higher.It is current most important far field pickup mode using microphone array pickup, that is, uses multi-pass
Road synchronous acquisition voice data, then noise reduction, auditory localization, wave beam processing etc. are carried out after treatment measures to collected voice data
It send to rear end speech recognition module.So before microphone array pickup performance is entire far field speech recognition system quality
It mentions.Microphone array is there are different space layouts at present, such as linear, annular, but no matter which kind of mode, require institute
The pickup performance of some microphones is mainly that pickup gain will be consistent, but depositing due to microphone array hardware individual difference
The pickup consistency of each microphone channel is not able to satisfy technical requirements, and the algorithm of rear end speech recognition module can be made to calculate
Deviation is generated, to influence the effect of far field pickup and speech recognition.
Summary of the invention
The main purpose of the present invention is to provide a kind of microphone array auto-collation, equipment and computer-readable deposit
Storage media, it is intended to which the pickup consistency for solving each microphone channel as caused by microphone array hardware individual difference cannot expire
The technical issues of sufficient technical requirements.
To achieve the above object, the present invention provides a kind of microphone array auto-collation, and the microphone array is certainly
Dynamic proofreading method comprising steps of
It obtains each channel of microphone array and pretreated digital audio-frequency data is carried out to the baseline audio signal picked up；
The corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data；
Detect whether the corresponding audio signal energies value in each channel meets default condition for consistence；
If the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence, institute is adjusted
The yield value in each channel is stated, so that the corresponding audio signal energies value in each channel meets the default consistency item
Part.
Optionally, each channel of microphone array that obtains is to the pretreated number of baseline audio signal progress picked up
The step of word audio data includes:
It obtains each channel of microphone and gain amplification disposal and analog-to-digital conversion process is carried out to the baseline audio signal picked up
Digital audio-frequency data afterwards.
Optionally, the step that the corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data
Suddenly include:
Sub-frame processing is carried out to the corresponding digital audio-frequency data in each channel respectively；
Obtain the audio data of a default frame in the corresponding digital audio-frequency data in each channel；
According to the audio data of the default frame, the corresponding audio signal energies value in each channel is calculated.
Optionally, described to detect whether the corresponding audio signal energies value in each channel meets default consistency item
The step of part includes:
Calculate the average energy value of the corresponding audio signal energies value in each channel；
Calculate separately the energy differences of each channel corresponding audio signal energies value and described the average energy value
Absolute value；
Whether the energy differences absolute value for detecting each channel is less than preset difference value；
If the energy differences absolute value in each channel is respectively less than the preset difference value, it is determined that each channel pair
The audio signal energies value answered meets the default condition for consistence.
Optionally, the step of yield value in adjustment each channel includes:
Channel to be adjusted is determined in each channel；
The yield value in the channel to be adjusted is adjusted according to default adjustment mode.
Optionally, described the step of channel to be adjusted is determined in each channel, includes:
The channel of energy differences maximum absolute value described in all channels is determined as channel to be adjusted；
The basis presets adjustment mode the step of adjusting the yield value in the channel to be adjusted and includes:
Judge whether the audio signal energies value in the channel to be adjusted is greater than described the average energy value；
If the audio signal energies value in the channel to be adjusted is greater than described the average energy value, will be described to be adjusted
The yield value in channel reduces preset value；
If the audio signal energies value in the channel to be adjusted is less than described the average energy value, will be described to be adjusted
The yield value in channel increases preset value.
Optionally, it after the basis presets the step of adjustment mode adjusts the yield value in the channel to be adjusted, also wraps
It includes:
It detects the channel to be adjusted and the baseline audio signal is carried out at gain amplification according to yield value adjusted
Whether there is distortion phenomenon after reason；
If detecting, the channel to be adjusted carries out gain to the baseline audio signal according to yield value adjusted and puts
There is distortion phenomenon after big processing, then presets the prompting message of adjustment mode described in output modifications.
Optionally, before the step of yield value in adjustment each channel, further includes:
Whether the adjustment number that detection currently adjusts each channel gain value is greater than preset times；
If the adjustment number for currently adjusting the yield value in each channel is greater than the preset times, described in the adjustment
The step of yield value in each channel includes:
Execute the default operation that reports an error.
In addition, to achieve the above object, the present invention also provides a kind of microphone array automatic Proofreading device, the microphones
Array automatic Proofreading device includes:
Module is obtained, it is pretreated to the baseline audio signal progress picked up for obtaining each channel of microphone array
Digital audio-frequency data；
Computing module, for calculating the corresponding audio signal energies value in each channel according to the digital audio-frequency data；
Detection module, for detecting whether the corresponding audio signal energies value in each channel meets default consistency
Condition；
Module is adjusted, if being unsatisfactory for the default consistency for the corresponding audio signal energies value in each channel
Condition then adjusts the yield value in each channel, so that described in the corresponding audio signal energies value satisfaction in each channel
Default condition for consistence.
In addition, to achieve the above object, the present invention also provides a kind of microphone array automatic Proofreading equipment, the microphones
Array automatic Proofreading equipment includes memory, processor and is stored on the memory and can run on the processor
Microphone array automatic Proofreading program, the microphone array automatic Proofreading program realize institute as above when being executed by the processor
The step of microphone array auto-collation stated.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
Microphone array automatic Proofreading program is stored on storage medium, the microphone array automatic Proofreading program is executed by processor
The step of Shi Shixian microphone array auto-collation as described above.
The present invention carries out pretreated number to the baseline audio signal picked up by obtaining each channel of microphone array
Word audio data；The corresponding audio signal energies value in each channel is calculated separately according to digital audio-frequency data；It is corresponding to detect each channel
Audio signal energies value whether meet default condition for consistence；If the corresponding audio signal energies value in each channel is unsatisfactory for presetting
Condition for consistence then adjusts the yield value in each channel, so that the corresponding audio signal energies value in each channel meets described default one
Cause property condition, realizes and carries out automatic Proofreading to each microphone channel of microphone array, and the hardware for making up each microphone channel is poor
It is different, so that the pickup of each microphone channel meets coherence request.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of inventive microphone array auto-collation first embodiment.
Fig. 3 is the refinement flow diagram of step S3 in inventive microphone array auto-collation embodiment.
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.
Since presently, there are each microphone channel pickup consistency caused by microphone array hardware individual difference to expire
The technical issues of sufficient technical requirements, the present invention provide a solution, are arrived by obtaining each channel of microphone array to pickup
Baseline audio signal carry out pretreated digital audio-frequency data；Each channel pair is calculated according to the digital audio-frequency data
The audio signal energies value answered；Detect whether the corresponding audio signal energies value in each channel meets default consistency item
Part；If the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence, adjust described each
The yield value in channel, so that the corresponding audio signal energies value in each channel meets the default condition for consistence.It is real
Show and automatic Proofreading is carried out to each microphone channel of microphone array, the hardware differences of each microphone channel has been made up, so that each wheat
The pickup in gram wind channel meets coherence request.
The present invention provides a kind of microphone array automatic Proofreading equipment, and referring to Fig.1, Fig. 1 is the embodiment of the present invention
The structural schematic diagram for the hardware running environment being related to.
It should be noted that Fig. 1 can be the structural representation of the hardware running environment of microphone array automatic Proofreading equipment
Figure.
As shown in Figure 1, the microphone array automatic Proofreading equipment may include: processor 1001, such as CPU, network is connect
Mouth 1004, user interface 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 is for realizing these components
Between connection communication.User interface 1003 may include display screen (Display), input unit such as keyboard
(Keyboard), optional user interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 is optional
May include standard wireline interface and wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory,
It is also possible to stable memory (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally may be used also
To be independently of the storage device of aforementioned processor 1001.
Optionally, microphone array automatic Proofreading equipment can also include camera, (Radio Frequency, is penetrated RF
Frequently circuit), sensor, voicefrequency circuit, WiFi module etc..It will be understood by those skilled in the art that microphone shown in Fig. 1
Array automatic Proofreading device structure does not constitute the restriction to microphone array automatic Proofreading equipment, may include more than illustrating
Or less component, perhaps combine certain components or different component layouts.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module, Subscriber Interface Module SIM and microphone array automatic Proofreading program.
In microphone array automatic Proofreading equipment shown in Fig. 1, network interface 1004 is mainly used for connecting microphone array
Column equipment carries out data communication with microphone array equipment；Press corrector can trigger check and correction instruction by user interface 1003, with
Microphone array automatic Proofreading equipment is set to carry out automatic Proofreading, user interface to microphone array equipment according to check and correction instruction
1003 can also be used to show voice data and collation；And processor 1001 can be used for calling and store in memory 1005
Microphone array automatic Proofreading program, and execute following operation:
It obtains each channel of microphone array and pretreated digital audio-frequency data is carried out to the baseline audio signal picked up；
The corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data；
Detect whether the corresponding audio signal energies value in each channel meets default condition for consistence；
If the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence, institute is adjusted
The yield value in each channel is stated, so that the corresponding audio signal energies value in each channel meets the default consistency item
Part.
Further, each channel of microphone array that obtains is pretreated to the baseline audio signal progress picked up
The step of digital audio-frequency data includes:
It obtains each channel of microphone and gain amplification disposal and analog-to-digital conversion process is carried out to the baseline audio signal picked up
Digital audio-frequency data afterwards.
Further, described that the corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data
Step includes:
Sub-frame processing is carried out to the corresponding digital audio-frequency data in each channel respectively；
Obtain the audio data of a default frame in the corresponding digital audio-frequency data in each channel；
According to the audio data of the default frame, the corresponding audio signal energies value in each channel is calculated.
Further, described to detect whether the corresponding audio signal energies value in each channel meets default consistency
The step of condition includes:
Calculate the average energy value of the corresponding audio signal energies value in each channel；
Calculate separately the energy differences of each channel corresponding audio signal energies value and described the average energy value
Absolute value；
Whether the energy differences absolute value for detecting each channel is less than preset difference value；
If the energy differences absolute value in each channel is respectively less than the preset difference value, it is determined that each channel pair
The audio signal energies value answered meets the default condition for consistence.
Further, the step of yield value in adjustment each channel includes:
Channel to be adjusted is determined in each channel；
The yield value in the channel to be adjusted is adjusted according to default adjustment mode.
Further, described the step of channel to be adjusted is determined in each channel, includes:
The channel of energy differences maximum absolute value described in all channels is determined as channel to be adjusted；
The basis presets adjustment mode the step of adjusting the yield value in the channel to be adjusted and includes:
Judge whether the audio signal energies value in the channel to be adjusted is greater than described the average energy value；
If the audio signal energies value in the channel to be adjusted is greater than described the average energy value, will be described to be adjusted
The yield value in channel reduces preset value；
If the audio signal energies value in the channel to be adjusted is less than described the average energy value, will be described to be adjusted
The yield value in channel increases preset value.
Further, after the basis presets the step of adjustment mode adjusts the yield value in the channel to be adjusted, place
Reason device 1001 can call the microphone array automatic Proofreading program stored in memory 1005, also execute following operation:
It detects the channel to be adjusted and the baseline audio signal is carried out at gain amplification according to yield value adjusted
Whether there is distortion phenomenon after reason；
If detecting, the channel to be adjusted carries out gain to the baseline audio signal according to yield value adjusted and puts
There is distortion phenomenon after big processing, then presets the prompting message of adjustment mode described in output modifications.
Further, before the step of yield value in adjustment each channel, processor 1001 can call storage
The microphone array automatic Proofreading program stored in device 1005 also executes following operation:
Whether the adjustment number that detection currently adjusts each channel gain value is greater than preset times；
If the adjustment number for currently adjusting the yield value in each channel is greater than the preset times, described in the adjustment
The step of yield value in each channel includes:
Execute the default operation that reports an error.
Based on above-mentioned hardware configuration, each embodiment of inventive microphone array auto-collation is proposed.This hair
Bright microphone array auto-collation is mainly used in above-mentioned microphone array automatic Proofreading equipment, in following embodiment
In, for ease of description, each embodiment is illustrated as executing subject to proofread equipment.
Referring to Fig. 2, it is automatic that inventive microphone array auto-collation first embodiment provides a kind of microphone array
Proofreading method, it should be noted that, in some cases, can be with not although logical order is shown in flow charts
The sequence being same as herein executes shown or described step.The microphone array auto-collation includes:
Step S1 obtains each channel of microphone array and carries out pretreated digital sound to the baseline audio signal picked up
Frequency evidence；
Check and correction equipment, which is connect with microphone array equipment by wired or wireless way, to be carried out data transmission.Proofreading equipment can
To include a sonic source device, check and correction equipment control sonic source device plays one section of benchmark audio stream, which is energy
Value stability meets a segment of audio stream of stability requirement, proofreads environment optimal choice noise-free environment, so that check and correction effect
Reach best.Benchmark audio circulation is turned to baseline audio signal respectively by each microphone channel of microphone array, this mistake
Journey is similar with the process that sound is converted electric signal by existing microphone.Each channel is divided after picking up to baseline audio signal
It is other baseline audio signal is pre-processed after obtain digital audio-frequency data.Pretreatment, which can be, first carries out baseline audio signal
After gain amplification disposal, then analog-to-digital conversion process is carried out, baseline audio signal can be converted to digital sound by being also possible to other
The treatment process of frequency evidence.It proofreads equipment and obtains each channel of microphone array to the pretreated number of baseline audio signal progress
Audio data.
Further, step S1 includes:
Step S11 obtains each channel of microphone and carries out gain amplification disposal and modulus to the baseline audio signal picked up
Digital audio-frequency data after conversion process.
Each channel of microphone array carries out gain amplification to baseline audio signal respectively after picking up to baseline audio signal
Processing, each channel is to amplify processing to the baseline audio signal with initial yield value at this time, wherein the initial increasing in each channel
Beneficial value can be preset, and the initial yield value in each channel is answered identical.Each microphone channel is in the ideal situation with identical initial
Yield value carries out gain amplification disposal to same datum audio signal, should obtain the audio signal of identical gain amplification characteristic,
But since there are the individual differences on hardware for each microphone channel of microphone array, and such hardware differences are when producing hardware
The difference being just difficult to avoid that, therefore, it is necessary to the initial yield values to each channel to be adjusted, so that the amplification of each channel gain is special
Sign is consistent.Each channel obtains amplified audio signal, then to amplification after carrying out gain amplification disposal to baseline audio signal
Audio signal afterwards carries out analog-to-digital conversion, obtains digital audio-frequency data, and analog-to-digital conversion is according to preparatory in microphone array equipment
Sample rate, sample size of setting etc. sampling specification sampled, quantified, the digital audio-frequency data obtained after analog-to-digital conversion be by
Sample the sample value of each sampled point of sequencing record.It is corresponding from each channel of microphone array equipment acquisition to proofread equipment
Digital audio-frequency data.
Step S2 calculates the corresponding audio signal energies value in each channel according to the digital audio-frequency data；
Equipment is proofreaded after getting the corresponding digital audio-frequency data in each channel, according to the corresponding number in each channel got
Word audio data calculates separately the corresponding audio signal energies value in each channel.Since benchmark audio stream is full for energy value stability
A segment of audio stream of sufficient stability requirement, therefore, after each channel carries out gain amplification disposal to the baseline audio signal picked up
Amplification after audio signal to should also be as meeting energy value equal, still, due to the hardware of each microphone channel of microphone array
Body difference, in fact it could happen that after the amplification of some channel therefore the energy value and the excessive situation of other channel differences of audio signal need
The yield value in each channel is adjusted, so that the energy value of audio signal meets coherence request after the amplification of each channel.Check and correction
Equipment calculates separately each collected audio signal of channel synchronization according to the digital audio-frequency data got from each channel
Energy value to get arrive the corresponding audio signal energies value in each channel.
Further, step S2 includes:
Step S21 carries out sub-frame processing to the corresponding digital audio-frequency data in each channel respectively；
Define the short-time average energy E of n moment voice signalnAre as follows:
Formula 1:
Wherein, N is that window is long, and m is the sampled point on window, and x (m) is the sample value of sampled point, and ω (n-m) is window function,
It can be seen that short-time average energy is the weighted sum of squares of a frame sample value.Distinguishingly, when window function is rectangular window, there is formula 2:
Short-time average energy is the quadratic sum of a frame sample value at this time.Equipment is proofreaded first respectively to the corresponding number in each channel
Audio data carries out adding window sub-frame processing, and window function is rectangular window, and frame length can be previously according to specifically needing to be arranged.
Step S22 obtains the audio data of a default frame in the corresponding digital audio-frequency data in each channel；
Equipment is proofreaded after carrying out adding window sub-frame processing to the corresponding digital audio-frequency data in each channel, obtains each channel respectively
The audio data of a default frame in digital audio-frequency data after sub-frame processing.Wherein presetting frame can be the number after sub-frame processing
The nth frame of audio data, N can be previously according to specifically needing to be arranged.
Step S23 calculates the corresponding audio signal energies value in each channel according to the audio data of the default frame.
Equipment is proofreaded after the audio data for the default frame for getting each channel, which is substituted into
Above-mentioned formula 2 obtains the corresponding audio signal energies value in each channel.
Step S3, detects whether the corresponding audio signal energies value in each channel meets default condition for consistence；
After proofreading equipment and calculating the corresponding audio signal energies value in each channel, whether each audio signal energies value is judged
Meet default condition for consistence.In the ideal case, the corresponding audio signal energies value of each microphone channel should complete phase
Together, the far field speech recognition system speech recognition effect for carrying out pickup using microphone array could be made best, but due to wheat
The hardware individual difference of gram each microphone channel of wind array, in fact it could happen that after the amplification of some channel the energy value of audio signal and its
The excessive situation of his channel difference, needs to detect at this time whether the corresponding audio signal energies value in each channel meets default consistency
Whether condition there is the energy value and the excessive situation of other channel differences of audio signal after the amplification of some channel.This is default
Condition for consistence can be the difference between the corresponding audio signal energies value in each channel less than a preset energy difference, can also
To be difference between the corresponding audio signal energies value in each channel and the average energy value less than a preset energy difference.Its
In, preset energy difference can be configured according to specific needs, when the setting of preset energy difference it is smaller when, each microphone is logical
The corresponding audio signal energies value difference value in road is smaller, proofreads effect, but proofread equipment calculation amount simultaneously to increase, therefore
Preset energy difference can use a reasonable value so that check and correction process will not it is time-consuming too long, while guaranteeing to proofread effect.
Step S4, if the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence,
The yield value in each channel is then adjusted, so that the corresponding audio signal energies value in each channel meets described default one
Cause property condition.
If check and correction equipment detects that the corresponding audio signal energies value in each channel is unsatisfactory for default condition for consistence, adjustable
The yield value in whole each channel.Each microphone channel carries out gain to the baseline audio signal picked up according to yield value adjusted
After enhanced processing, then carry out analog-to-digital conversion.Check and correction equipment obtains the corresponding digital audio-frequency data in each channel again, to each channel
Corresponding audio signal energies value carries out calculating analysis, detects whether the corresponding audio signal energies value in each channel meets default one
Cause property condition, if not satisfied, being then adjusted again, circulate operation, until detecting the corresponding audio signal energies in each channel
Until value meets default condition for consistence.Condition for consistence is preset when detecting that the corresponding audio signal energies value in each channel meets
Afterwards, the yield value in each channel is no longer changed, and check and correction is completed.
The present embodiment is pretreated to the baseline audio signal progress picked up by obtaining each channel of microphone array
Digital audio-frequency data；The corresponding audio signal energies value in each channel is calculated separately according to digital audio-frequency data；Detect each channel pair
Whether the audio signal energies value answered meets default condition for consistence；If the corresponding audio signal energies value in each channel is unsatisfactory for pre-
If condition for consistence, then the yield value in each channel is adjusted, so that the corresponding audio signal energies value in each channel meets described preset
Condition for consistence realizes and carries out automatic Proofreading to each microphone channel of microphone array, makes up the hardware of each microphone channel
Difference, so that the pickup of each microphone channel meets coherence request.
Further, it is based on above-mentioned first embodiment, inventive microphone array auto-collation second embodiment mentions
For a kind of microphone array auto-collation.Referring to Fig. 3, in the present embodiment, step S3 includes:
Step S31 calculates the average energy value of the corresponding audio signal energies value in each channel；
Step S32 calculates separately the corresponding audio signal energies value in each channel and described the average energy value
Energy differences absolute value；
Equipment is proofreaded after calculating the corresponding audio signal energies value in each channel, each channel is calculated and corresponds to audio signal energy
The average energy value of magnitude.The exhausted of the corresponding audio signal energies value in each channel and the difference of the average energy value is calculated separately again
The energy differences absolute value in each channel is arrived to value.
Whether step S33, the energy differences absolute value for detecting each channel are less than preset difference value；
Equipment is proofreaded after calculating the energy differences absolute value in each channel, the energy differences for detecting each channel are absolute
Whether value is less than preset difference value.Preset difference value can be configured according to specific needs, when consistent to each channel of microphone array
Property it is more demanding when, preset difference value it is settable it is smaller so that the corresponding audio signal energies value in each channel is closer.
Step S34, if the energy differences absolute value in each channel is respectively less than the preset difference value, it is determined that described
The corresponding audio signal energies value in each channel meets the default condition for consistence.
If detecting, the energy differences absolute value in each channel is respectively less than the preset difference value, proofreads equipment and determines each channel pair
The audio signal energies value answered meets default condition for consistence.If detecting, the energy differences absolute value at least one channel is not small
In the preset difference value, then explanation has the audio signal energies value difference in channel and other channels not excessive, proofreads equipment at this time and determines
The corresponding audio signal energies value in each channel is unsatisfactory for default condition for consistence.
In the present embodiment, it by the average energy value of the corresponding audio signal energies value in each channel of calculating, then detects each
Whether the energy differences absolute value of the corresponding audio signal energies value in channel and the average energy value is less than preset difference value, if being less than
Preset difference value then determines that the corresponding audio signal energies value in each channel meets default condition for consistence, realize quickly calculate it is each
Whether the corresponding audio signal energies value in channel meets default condition for consistence.
Further, above-mentioned first or second embodiments are based on, inventive microphone array auto-collation third is real
It applies example and a kind of microphone array auto-collation is provided.In the present embodiment, the yield value in the adjustment each channel
Step includes:
Step S41 determines channel to be adjusted in each channel；
When check and correction equipment detects that the corresponding audio signal energies value in each channel is unsatisfactory for default condition for consistence, need
Adjust the yield value in each channel.At this time it needs to be determined that channel to be adjusted, i.e., it needs to be determined that adjusting the yield value in which channel.It determines
Method, which can be, selects audio signal energies to be worth minimum channel for benchmark channel, other channels are determined as channel to be adjusted,
Adjust the yield value in other channels；It is also possible to select the highest channel of audio signal energies value for benchmark channel, other is led to
Road is determined as channel to be adjusted；Channel to be adjusted is also possible to one, such as by with the energy differences absolute value of the average energy value most
Big channel is determined as channel to be adjusted.
Step S42 adjusts the yield value in the channel to be adjusted according to default adjustment mode.
After determining channel to be adjusted, the yield value in channel to be adjusted is determined according to default adjustment mode, wherein default to adjust
Perfect square formula is corresponding with the method for determining channel to be adjusted.Such as when audio signal energies are worth minimum channel as reference channel,
When other channels are determined as channel to be adjusted, the yield value in other channels is reduced into preset value, wherein preset value can be according to specific
It needs to be configured, preset value setting is too much to make channel gain value to be adjusted audio signal energies value adjusted and gain
Audio signal energies value before value adjustment has big difference, and is difficult to always so as to cause the corresponding audio signal energies value in each channel full
The default condition for consistence of foot.Preset value is arranged too small, will be so that adjustment number increases, and calculation amount increases, therefore preset value is answered
When being arranged moderate.Further, preset value may be set to be corresponding with energy differences size, i.e., sound when channel to be adjusted
When the difference of frequency signal energy value and the audio signal energies value of reference channel is bigger, corresponding preset value is bigger, when to be adjusted logical
The difference of the audio signal energies value of the audio signal energies value and reference channel in road is got over hour, and corresponding preset value is smaller.
Further, step S41 includes:
The channel of energy differences maximum absolute value described in all channels is determined as channel to be adjusted by step S411；
Specifically, it is determined that the method in channel to be adjusted can be, check and correction equipment calculates the audio signal energies in each channel
For value with after the energy differences absolute value of the average energy value, the energy differences order of magnitude in more each channel will be in all channels
The channel of energy differences maximum absolute value is determined as channel to be adjusted.It, will if there is multiple channel energy absolute differences equal
Multiple channels are determined as channel to be adjusted, or select one and be determined as channel to be adjusted.
Step S42 includes:
Step S421, judges whether the audio signal energies value in the channel to be adjusted is greater than the average energy
Value；
Step S422 will if the audio signal energies value in the channel to be adjusted is greater than described the average energy value
The yield value in the channel to be adjusted reduces preset value；
Step S423 will if the audio signal energies value in the channel to be adjusted is less than described the average energy value
The yield value in the channel to be adjusted increases preset value.
After the maximum channel of energy absolute difference is determined as channel to be adjusted by check and correction equipment, judge that this is to be adjusted logical
Whether the audio signal energies value in road is greater than the average energy value.If it is flat to judge that the audio signal energies value in channel to be adjusted is greater than
The yield value in channel to be adjusted is then reduced preset value by equal energy value.Preset value is same as above, can carry out according to specific needs
Setting.If judging, the audio signal energies value in channel to be adjusted is less than the average energy value, by the yield value in channel to be adjusted
Increase preset value.
The present embodiment is determined as channel to be adjusted by the above-mentioned channel by energy differences maximum absolute value in all channels,
The adjustment mode that channel gain value to be adjusted is adjusted further according to preset value may be implemented quickly to make each channel audio signal energy
Value meets coherence request, accelerates check and correction equipment check and correction speed.
Further, after step S42, further includes:
Step S43 detects the channel to be adjusted and is increased according to yield value adjusted to the baseline audio signal
Whether there is distortion phenomenon after beneficial enhanced processing；
After check and correction equipment has adjusted the yield value in channel to be adjusted according to default adjustment mode, channel to be adjusted is to adjust
Yield value afterwards carries out gain amplification disposal and analog-to-digital conversion to the baseline audio signal picked up, at this point, check and correction equipment can be first
It detects after channel to be adjusted carries out gain process to the baseline audio signal picked up according to yield value adjusted and whether occurs
Distortion phenomenon.Since check and correction equipment is the yield value for adjusting channel to be adjusted according to default adjustment mode, then adjustment mode is preset
In preset value may be arranged bigger than normal so that yield value adjusted is bigger than normal, so as to cause at gain amplification
Audio signal is distorted after reason.It cannot function as the basis of later period speech recognition module identification voice if audio signal distortion, therefore
Undistorted audio signal is necessary condition.
Step S44, if detect the channel to be adjusted according to yield value adjusted to the baseline audio signal into
Occur distortion phenomenon after row gain amplification disposal, then presets the prompting message of adjustment mode described in output modifications.
If check and correction equipment detect channel to be adjusted according to yield value adjusted to the baseline audio signal picked up into
Occurs distortion phenomenon after row gain amplification disposal, then the prompt that exportable prompt operation maintenance personnel modifies default adjustment mode disappears
Breath, i.e. prompt operation maintenance personnel modify the preset value in default adjustment mode so that yield value adjusted it is not too big and lead
Cause audio signal distortion.If check and correction equipment detects channel to be adjusted according to yield value adjusted to the benchmark audio picked up
Signal does not occur distortion phenomenon after carrying out gain amplification disposal, then the corresponding digital audio-frequency data in each channel is obtained again, to each
The corresponding audio signal energies value in a channel carries out calculating analysis, detects whether the corresponding audio signal energies value in each channel meets
Default condition for consistence, if not satisfied, being then adjusted again, circulate operation, until detecting the corresponding audio letter in each channel
Until number energy value meets default condition for consistence.
The step of whether the present embodiment is distorted by the amplified audio signal of above-mentioned detection channel gain to be adjusted, can be with
The audio signal distortion phenomenon during check and correction is avoided, to guarantee the accuracy of microphone array check and correction.
Further, above-mentioned first, second or third embodiment, inventive microphone array auto-collation the are based on
Four embodiments provide a kind of microphone array auto-collation.In the present embodiment, the gain in adjustment each channel
Before the step of value, further includes:
Whether step S51, the adjustment number that detection currently adjusts each channel gain value are greater than preset times；
If check and correction equipment detects that the audio signal energies value in each channel is unsatisfactory for default condition for consistence, need to adjust
The yield value in each channel, detects whether to meet default condition for consistence again after adjustment, circulate operation until detect meet it is default
Condition for consistence.But the number that adjustment channel gain value is likely to occur during check and correction is excessive, but the audio signal in each channel
Energy value, which is appointed, is so unsatisfactory for default condition for consistence, at this time may be to go wrong on microphone array device hardware.Therefore, school
To equipment before adjusting each channel gain value, can first detect currently adjust each channel gain value adjustment number whether be greater than it is pre-
If number.The settable counter of equipment is proofreaded to record the number of adjust gain value, every once each channel gain value that adjusts adds one.
Preset times are configured according to specific needs.
Step S52, it is described if the adjustment number for currently adjusting the yield value in each channel is greater than the preset times
The step of adjusting the yield value in each channel includes: to execute the default operation that reports an error.
If check and correction equipment detects that the adjustment number for currently adjusting each channel gain value is greater than preset times, no longer adjust
Channel gain value, pause check and correction, executes the preset operation that reports an error.The default operation that reports an error can be output prompt information, prompt fortune
Dimension personnel check and correction number is excessive, is also possible to issue the prompt tone etc. that reports an error.The operation that reports an error executed by check and correction equipment, Ji Keti
Show that operation maintenance personnel is checked or repaired to the failure of microphone array equipment.
In the present embodiment, by holding when detecting that the adjustment number for adjusting each channel gain value is greater than preset times
The default operation that reports an error of row, can detect that the problem on microphone array device hardware, so that operation maintenance personnel sets microphone array
It is standby to be detected or repaired.
In addition, the embodiment of the present invention also proposes that a kind of microphone array automatic Proofreading device, the microphone array are automatic
Verifying unit includes:
Module is obtained, it is pretreated to the baseline audio signal progress picked up for obtaining each channel of microphone array
Digital audio-frequency data；
Computing module, for calculating the corresponding audio signal energies value in each channel according to the digital audio-frequency data；
Detection module, for detecting whether the corresponding audio signal energies value in each channel meets default consistency
Condition；
Module is adjusted, if being unsatisfactory for the default consistency for the corresponding audio signal energies value in each channel
Condition then adjusts the yield value in each channel, so that described in the corresponding audio signal energies value satisfaction in each channel
Default condition for consistence.
Optionally, the acquisition module is also used to obtain each channel of microphone and increases to the baseline audio signal picked up
Digital audio-frequency data after beneficial enhanced processing and analog-to-digital conversion process.
Optionally, the computing module includes:
Sub-frame processing unit, for carrying out sub-frame processing to the corresponding digital audio-frequency data in each channel respectively；
Acquiring unit, for obtaining the audio data of a default frame in the corresponding digital audio-frequency data in each channel；
First computing unit calculates the corresponding audio letter in each channel for the audio data according to the default frame
Number energy value.
Optionally, the detection module includes:
Second computing unit, for calculating the average energy value of the corresponding audio signal energies value in each channel；
It is also used to calculate separately the corresponding audio signal energies value in each channel and the energy differences of described the average energy value is exhausted
To value；
Whether detection unit, the energy differences absolute value for detecting each channel are less than preset difference value；
First determination unit, if the energy differences absolute value for each channel is respectively less than the preset difference value,
Then determine that the corresponding audio signal energies value in each channel meets the default condition for consistence.
Optionally, the adjustment module includes:
Second determination unit, for determining channel to be adjusted in each channel；
Adjustment unit, for adjusting the yield value in the channel to be adjusted according to default adjustment mode.
Optionally, second determination unit is also used to the channel of energy differences maximum absolute value described in all channels
It is determined as channel to be adjusted；
It is described that the adjustment unit is also used to judge whether the audio signal energies value in the channel to be adjusted is greater than
The average energy value；If the audio signal energies value in the channel to be adjusted is greater than described the average energy value, will it is described to
The yield value for adjusting channel reduces preset value；If the audio signal energies value in the channel to be adjusted is less than the average energy
The yield value in the channel to be adjusted is then increased preset value by magnitude.
Optionally, the detection module is also used to detect the channel to be adjusted according to yield value adjusted to the base
Whether quasi- audio signal there is distortion phenomenon after carrying out gain amplification disposal；
The microphone array automatic Proofreading device further include:
Output module, if for detecting that the benchmark audio is believed according to yield value adjusted in the channel to be adjusted
Number carry out gain amplification disposal after there is distortion phenomenon, then described in output modifications preset adjustment mode prompting message.
Optionally, the detection module be also used to detect currently adjust each channel gain value adjustment number it is whether big
In preset times；
The microphone array automatic Proofreading device further include:
Report an error module, if the adjustment number of the yield value for currently adjusting each channel is greater than the preset times,
Then execute the default operation that reports an error.
It should be noted that each embodiment of microphone array automatic Proofreading device and the automatic school of above-mentioned microphone array
Essentially identical to each embodiment of method, in this not go into detail.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with microphone array automatic Proofreading program, when the microphone array automatic Proofreading program is executed by processor realize such as
The step of upper microphone array auto-collation.Inventive microphone array automatic Proofreading equipment and storage medium are (i.e.
Computer readable storage medium) the expansion content of specific embodiment respectively implement with above-mentioned microphone array auto-collation
Example is essentially identical, and this will not be repeated here.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of microphone array auto-collation, which is characterized in that the microphone array auto-collation include with
Lower step:
It obtains each channel of microphone array and pretreated digital audio-frequency data is carried out to the baseline audio signal picked up；
The corresponding audio signal energies value in each channel is calculated according to the digital audio-frequency data；
Detect whether the corresponding audio signal energies value in each channel meets default condition for consistence；
If the corresponding audio signal energies value in each channel is unsatisfactory for the default condition for consistence, adjust described each
The yield value in channel, so that the corresponding audio signal energies value in each channel meets the default condition for consistence.
2. microphone array auto-collation as described in claim 1, which is characterized in that the acquisition microphone array is each
Channel includes: to the step of baseline audio signal progress pretreated digital audio-frequency data picked up
After each channel of microphone is obtained to the baseline audio signal progress gain amplification disposal and analog-to-digital conversion process picked up
Digital audio-frequency data.
3. microphone array auto-collation as described in claim 1, which is characterized in that described according to the digital audio
Data calculate the step of corresponding audio signal energies value in each channel and include:
Sub-frame processing is carried out to the corresponding digital audio-frequency data in each channel respectively；
Obtain the audio data of a default frame in the corresponding digital audio-frequency data in each channel；
According to the audio data of the default frame, the corresponding audio signal energies value in each channel is calculated.
4. microphone array auto-collation as described in claim 1, which is characterized in that detection each channel pair
The step of whether the audio signal energies value answered meets default condition for consistence include:
Calculate the average energy value of the corresponding audio signal energies value in each channel；
It calculates separately the corresponding audio signal energies value in each channel and the energy differences of described the average energy value is absolute
Value；
Whether the energy differences absolute value for detecting each channel is less than preset difference value；
If the energy differences absolute value in each channel is respectively less than the preset difference value, it is determined that each channel is corresponding
The audio signal energies value meets the default condition for consistence.
5. microphone array auto-collation as claimed in claim 4, which is characterized in that adjustment each channel
The step of yield value includes:
Channel to be adjusted is determined in each channel；
The yield value in the channel to be adjusted is adjusted according to default adjustment mode.
6. microphone array auto-collation as claimed in claim 5, which is characterized in that described true in each channel
The step of channel to be adjusted includes: calmly
The channel of energy differences maximum absolute value described in all channels is determined as channel to be adjusted；
The basis presets adjustment mode the step of adjusting the yield value in the channel to be adjusted and includes:
Judge whether the audio signal energies value in the channel to be adjusted is greater than described the average energy value；
If the audio signal energies value in the channel to be adjusted is greater than described the average energy value, by the channel to be adjusted
Yield value reduce preset value；
If the audio signal energies value in the channel to be adjusted is less than described the average energy value, by the channel to be adjusted
Yield value increase preset value.
7. microphone array auto-collation as described in claim 1, which is characterized in that adjustment each channel
Before the step of yield value, further includes:
Whether the adjustment number that detection currently adjusts each channel gain value is greater than preset times；
If the adjustment number for currently adjusting the yield value in each channel is greater than the preset times, the adjustment is described each logical
The step of yield value in road includes:
Execute the default operation that reports an error.
8. a kind of microphone array automatic Proofreading device, which is characterized in that the microphone array automatic Proofreading device includes:
Module is obtained, pretreated number is carried out to the baseline audio signal picked up for obtaining each channel of microphone array
Audio data；
Computing module, for calculating the corresponding audio signal energies value in each channel according to the digital audio-frequency data；
Detection module, for detecting whether the corresponding audio signal energies value in each channel meets default consistency item
Part；
Module is adjusted, if being unsatisfactory for the default consistency item for the corresponding audio signal energies value in each channel
Part then adjusts the yield value in each channel so that the corresponding audio signal energies value in each channel meet it is described pre-
If condition for consistence.
9. a kind of microphone array automatic Proofreading equipment, which is characterized in that the microphone array automatic Proofreading equipment includes depositing
Reservoir, processor and the microphone array automatic Proofreading journey that is stored on the memory and can run on the processor
Sequence is realized as described in any one of claims 1 to 7 when the microphone array automatic Proofreading program is executed by the processor
Microphone array auto-collation the step of.
10. a kind of computer readable storage medium, which is characterized in that be stored with microphone on the computer readable storage medium
Array automatic Proofreading program is realized when the microphone array automatic Proofreading program is executed by processor as in claim 1 to 7
The step of described in any item microphone array auto-collations.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811542125.1A CN109451415A (en) | 2018-12-17 | 2018-12-17 | Microphone array auto-collation, device, equipment and storage medium |
| PCT/CN2019/124639 WO2020125522A1 (en) | 2018-12-17 | 2019-12-11 | Automatic calibration method, device and apparatus for microphone array and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811542125.1A CN109451415A (en) | 2018-12-17 | 2018-12-17 | Microphone array auto-collation, device, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110225444A (en) * | 2019-06-14 | 2019-09-10 | 四川长虹电器股份有限公司 | A kind of fault detection method and its detection system of microphone array system |
| CN110392334A (en) * | 2019-07-03 | 2019-10-29 | 北京小米移动软件有限公司 | A kind of microphone array audio signal adaptive processing method, device and medium |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110051953A1 (en) * | 2008-04-25 | 2011-03-03 | Nokia Corporation | Calibrating multiple microphones |
| CN102024456A (en) * | 2009-09-21 | 2011-04-20 | 联发科技股份有限公司 | Audio processing apparatus and audio processing method |
| CN103929707A (en) * | 2014-04-08 | 2014-07-16 | 深圳市中兴移动通信有限公司 | Method for detecting conditions of microphone voice-grade channels and terminal |
| CN106340305A (en) * | 2016-11-04 | 2017-01-18 | 北京声智科技有限公司 | Self-calibration far-field voice interaction device and far-field voice self-calibration method |
| CN107180642A (en) * | 2017-07-20 | 2017-09-19 | 北京华捷艾米科技有限公司 | Audio signal bearing calibration, device and equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109451415A (en) * | 2018-12-17 | 2019-03-08 | 深圳Tcl新技术有限公司 | Microphone array auto-collation, device, equipment and storage medium |
-
2018
- 2018-12-17 CN CN201811542125.1A patent/CN109451415A/en active Pending
-
2019
- 2019-12-11 WO PCT/CN2019/124639 patent/WO2020125522A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110051953A1 (en) * | 2008-04-25 | 2011-03-03 | Nokia Corporation | Calibrating multiple microphones |
| CN102024456A (en) * | 2009-09-21 | 2011-04-20 | 联发科技股份有限公司 | Audio processing apparatus and audio processing method |
| CN103929707A (en) * | 2014-04-08 | 2014-07-16 | 深圳市中兴移动通信有限公司 | Method for detecting conditions of microphone voice-grade channels and terminal |
| CN106340305A (en) * | 2016-11-04 | 2017-01-18 | 北京声智科技有限公司 | Self-calibration far-field voice interaction device and far-field voice self-calibration method |
| CN107180642A (en) * | 2017-07-20 | 2017-09-19 | 北京华捷艾米科技有限公司 | Audio signal bearing calibration, device and equipment |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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