CN104572009B - A kind of audio control method and device of adaptive external environment - Google Patents
A kind of audio control method and device of adaptive external environment Download PDFInfo
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- CN104572009B CN104572009B CN201510044664.2A CN201510044664A CN104572009B CN 104572009 B CN104572009 B CN 104572009B CN 201510044664 A CN201510044664 A CN 201510044664A CN 104572009 B CN104572009 B CN 104572009B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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Abstract
The invention discloses a kind of audio control method and device of adaptive external environment, it is related to computer audio control field, methods described includes：Corresponding relation between default phonetic control command and audio frequency control instruction；During computer system plays audio, phonetic control command is obtained by speech recognition；According to the corresponding relation between default phonetic control command and audio frequency control instruction, it is determined that audio frequency control corresponding to resulting phonetic control command instructs；Instructed using identified audio frequency control, the audio played to computer system is controlled.The present invention can be during user's communication, intelligent regulating system volume, so as to improve user's impression, improves Consumer's Experience.
Description
Technical field
The present invention relates to computer audio control field, more particularly to a kind of audio control method of adaptive external environment
And related device.
Background technology
Active computer is commonly called as computer, is a kind of electronic computer device for supercomputing, can carry out numerical computations,
Logical calculated can be carried out again, be that can be run according to program also with store-memory function, automatic, high speed processing magnanimity number
According to modernization intelligent electronic device.
Further, computer also entertains work(while with above-mentioned function with music, video playback etc.
Energy.
At present, computer, such as notebook computer, while video/audio is played, if user needs to connect/beat electricity
Words by the volume of video/audio, it is necessary to first turning down, being Jing Yin, or even directly closing video/audio and play, to avoid video/audio
Sound interference user's communication；And after connecing/making a phone call end, the volume of video/audio is tuned up again, release it is Jing Yin, or
Reopen video/audio.It can be seen that due to needing according to user's actual conditions, it is necessary to which the behaviour of audio frequency control is repeated manually
Make, it is comparatively laborious, greatly reduce user experience.
The content of the invention
It is an object of the invention to provide a kind of audio control method and device of adaptive external environment, can preferably solve
The problem of audio is certainly controlled according to external environment.
According to an aspect of the invention, there is provided a kind of audio control method of adaptive external environment, including：
Corresponding relation between default phonetic control command and audio frequency control instruction；
During computer system plays audio, phonetic control command is obtained by speech recognition；
According to the corresponding relation between default phonetic control command and audio frequency control instruction, it is determined that resulting voice control
Audio frequency control instruction corresponding to system instruction；
Instructed using identified audio frequency control, the audio played to computer system is controlled.
Preferably, in addition to：
Diverse location on computer surface sets multiple Mikes, and formation can be by Pointing calculation machine outside sound source side
To microphone array.
Preferably, the step of corresponding relation between the default phonetic control command and audio frequency control instruction includes：
Before computer system plays audio, using the microphone array, user speech stream is obtained；
Speech recognition is carried out to the user speech stream, obtains phonetic control command；
The instruction of resulting phonetic control command and audio frequency control is carried out corresponding, obtain phonetic control command and audio control
Corresponding relation between system instruction.
Preferably, it is described during computer system plays audio, the step of phonetic control command is obtained by speech recognition
Suddenly include：
During computer system plays audio, the audio play data stream of the currently playing audio of computer system is obtained；
Using the microphone array, the mixed audio stream comprising user speech stream and audio play data stream is obtained；
In the mixed audio stream, the audio play data stream is eliminated, obtains user speech stream；
Speech recognition is carried out to the user speech stream, obtains phonetic control command.
Preferably, audio frequency control determined by the utilization instructs, what the audio played to computer system was controlled
Step includes：
When the instruction of identified audio frequency control is the instruction for adjusting volume, it is used for adjusting volume according to described
The instruction of size, the volume that audio is played to computer system are adjusted；
When the instruction of identified audio frequency control be for control it is Jing Yin/release Jing Yin instruction when, be used for controlling according to described
Jing Yin/Jing Yin instruction of releasing is made, the volume that audio is played to computer system carries out Jing Yin/Jing Yin control of releasing；
When the instruction of identified audio frequency control is the instruction for suspending/continuing to play, it is used for controlling temporarily according to described
Stop/continue the instruction played, control computer system audio, which suspends/continued, to be played.
According to another aspect of the present invention, there is provided a kind of audio control apparatus of adaptive external environment, including：
Setup module, for presetting the corresponding relation between phonetic control command and audio frequency control instruction；
Identification module, for during computer system plays audio, phonetic control command to be obtained by speech recognition；
Determining module, for the corresponding relation between being instructed according to default phonetic control command and audio frequency control, it is determined that
Audio frequency control corresponding to resulting phonetic control command instructs；
Control module, instructed for audio frequency control determined by utilization, the audio played to computer system is controlled.
Preferably, in addition to：
Multiple Mikes of computer surface diverse location are arranged on, formation can be by Pointing calculation machine outside sound source side
To microphone array.
Preferably, before computer system plays audio, voice that the identification module obtains to the microphone array
Stream carries out speech recognition, obtains phonetic control command, and the setup module is by resulting phonetic control command and audio frequency control
Instruction carries out correspondingly, obtaining the corresponding relation between phonetic control command and audio frequency control instruction.
Preferably, during computer system plays audio, the microphone array obtains and includes user speech stream and audio
The mixed audio stream of play data stream, the identification module obtain the audio played data of the currently playing audio of computer system
Stream, and the audio play data stream is eliminated in the mixed audio stream that the microphone array obtains, user speech stream is obtained, it is right
The user speech stream carries out speech recognition, obtains phonetic control command.
Preferably, the control module identified audio frequency control instruction be the instruction for adjusting volume when,
According to the instruction for being used for adjusting volume, the volume that audio is played to computer system is adjusted, identified
Audio frequency control instruction be for control it is Jing Yin/release Jing Yin instruction when, according to it is described be used for controlling it is Jing Yin/release Jing Yin finger
Order, the volume that audio is played to computer system carry out Jing Yin/Jing Yin control of releasing, are to use in the instruction of identified audio frequency control
During suspending/continue the instruction played, it is used for controlling the instruction for suspending/continuing and play, control computer system sound according to described
Frequency, which suspends/continued, to be played.
Compared with prior art, the beneficial effects of the present invention are：
By the present invention, for user when being conversed, computer particularly notebook computer product can intelligent regulating system
Volume, experienced with this to improve user, improve Consumer's Experience.
Brief description of the drawings
Fig. 1 is the audio control method theory diagram of adaptive external environment provided in an embodiment of the present invention；
Fig. 2 is the audio control apparatus block diagram of adaptive external environment provided in an embodiment of the present invention；
Fig. 3 is the audio frequency control flow chart of adaptive external environment provided in an embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, it will be appreciated that described below is excellent
Select embodiment to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Fig. 1 is the audio control method theory diagram of adaptive external environment provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, step includes：
Step S101：Corresponding relation between default phonetic control command and audio frequency control instruction.
In step S101, the corresponding relation between phonetic control command and the audio frequency control instruction can be computer
It is being pre-set before product export or be configured as needed by user after dispatching from the factory.
In order to reach more preferable effect, microphone array can be utilized to form a taper narrow beam, receive user speech
While suppress environment in noise and interference.Specifically, the diverse location on computer surface sets multiple Mikes, is formed
Can be by the microphone array in Pointing calculation machine outside sound source direction.For example, it can be set above note-book computer display screen
Two symmetrical Mikes are put, form microphone array, or, in note-book computer display screen marginal position, four symmetrical wheats are set
Gram, form microphone array, etc..
So, before computer system plays audio, the microphone array can be utilized, acquisition has suppressed ambient noise
With the user speech stream of interference, speech recognition is carried out to the user speech stream, phonetic control command is obtained, then again by gained
To the instruction of phonetic control command and audio frequency control carry out it is corresponding, obtain phonetic control command and audio frequency control instruct between pair
It should be related to.
Step S102：During computer system plays audio, phonetic control command is obtained by speech recognition.
Similarly, during computer system plays audio, the microphone array can be utilized, acquisition includes user speech
The mixed audio stream of stream and audio play data stream.For avoid computer itself play audio in occur " Voice command refers to
Make " audio frequency control is carried out directly as the control instruction that user assigns, the present invention needs to eliminate the audio that computer itself plays,
Therefore, during computer system plays audio, audio play data stream is divided into two-way, loudspeaker is sent into all the way and plays, separately
It is used for eliminating the audio play data stream in mixed audio stream all the way.Specifically, the sound of acquired currently playing audio is utilized
Frequency play data stream, the audio play data stream in the mixed audio stream is eliminated, obtains user speech stream.This makes it possible to right
The user speech stream carries out speech recognition, obtains phonetic control command.
Step S103：According to the corresponding relation between default phonetic control command and audio frequency control instruction, it is determined that gained
Audio frequency control corresponding to the phonetic control command arrived instructs.
Step S104：Instructed using identified audio frequency control, the audio played to computer system is controlled.
Specifically, when the instruction of identified audio frequency control is the instruction for adjusting volume, according to the use
To adjust the instruction of volume, the volume that audio is played to computer system is adjusted；When identified audio frequency control refers to
Order be for control it is Jing Yin/release Jing Yin instruction when, according to it is described be used for controlling it is Jing Yin/release Jing Yin instruction, to calculating
The volume of machine system plays audio carries out Jing Yin/Jing Yin control of releasing.
For example, phonetic control command can be " feeding ", " Hello ", " hello ", " goodbye " etc., audio frequency control instruction can be with
It is " volume tunes up ", " volume is turned down ", " Jing Yin ", " releasing Jing Yin ", " pause plays ", " continuing to play ", " closing audio " etc.
Deng.Such as pre-set phonetic control command " feeding " and audio frequency control instruction " volume is turned down " between corresponding relation, with
During family plays the audio file such as music, when user receives calls, eliminated by audio play data stream and speech recognition, will
" fed " to phonetic control command, now according to default corresponding relation, can determine that audio frequency control instructs " volume is turned down ", and press
According to the instruction, music playback volume is turned down.For example pre-set phonetic control command " hello " and instructed " temporarily with audio frequency control
Break and put " between corresponding relation, during user plays the video file such as film, when user receives calls, broadcast by audio
Data flow elimination and speech recognition are put, phonetic control command " hello " will be obtained, can be true now according to default corresponding relation
Accordatura frequency control instruction " pause plays ", and play the video files such as film according to the instruction, pause.
Fig. 2 is the audio control apparatus block diagram of adaptive external environment provided in an embodiment of the present invention, as shown in Fig. 2 bag
Include setup module 21, identification module 22, determining module 23 and control module 24.
Setup module 21 is used to preset the corresponding relation between phonetic control command and audio frequency control instruction.
Identification module 22 is used to during computer system plays audio, phonetic control command is obtained by speech recognition.
Determining module 23 is used for according to the corresponding relation between default phonetic control command and audio frequency control instruction, it is determined that
Audio frequency control corresponding to resulting phonetic control command instructs.
Control module 24 is used for audio frequency control instruction determined by utilization, and the audio played to computer system is controlled
System.
Further, in addition to：Microphone array 20, its multiple Mike's shape by being arranged on computer surface diverse location
Into can be by Pointing calculation machine outside sound source direction.
The course of work of described device is as follows：
Before computer system plays audio, microphone array 20 obtains voice flow, and identification module 22 is to Mike's battle array
The voice flow that row obtain carries out speech recognition, obtains phonetic control command, and now, setup module 21 is by resulting Voice command
Instruction carried out with audio frequency control instruction it is corresponding, obtain phonetic control command and audio frequency control instruct between corresponding relation.
During computer system plays audio, microphone array 20 obtains and includes user speech stream and audio play data stream
Mixed audio stream, identification module 22 obtains the audio play data stream of the currently playing audio of computer system, and in the wheat
The audio play data stream is eliminated in the mixed audio stream that gram array 20 obtains, user speech stream is obtained, to user's language
Sound stream carries out speech recognition, obtains phonetic control command.The corresponding relation that determining module 23 is pre-set according to setup module 21,
The audio frequency control instruction corresponding to the phonetic control command that identification module 22 obtains is determined, so that control module 24 is carried out accordingly
Audio frequency control, such as when the instruction of identified audio frequency control is the instruction for adjusting volume, be used for adjusting according to described
The instruction of volume is saved, the volume that audio is played to computer system is adjusted；When the instruction of identified audio frequency control is
For control it is Jing Yin/release Jing Yin instruction when, according to it is described be used for controlling it is Jing Yin/release Jing Yin instruction, to department of computer science
The volume that system plays audio carries out Jing Yin/Jing Yin control of releasing；When the instruction of identified audio frequency control is for suspending/continuing to broadcast
During the instruction put, it is used for controlling the instruction for suspending/continuing and play according to described, control computer system audio, which suspends/continued, to be broadcast
Put.
Further, the corresponding relation between user speech intensity and volume can also be set, so, in Mike's battle array
While row obtain voice flow, user speech intensity is determined, and is based on user speech intensity, current volume is rationally adjusted
Section.
The embodiment provided by Fig. 1 and Fig. 2, the present invention are playing in itself firstly the need of isolation difference computer
Audio sound, such as Mp3 music and Movie.If the sound met is occurred in the audio program that computer is playing in itself
Instruction, Hello/ when such as making a phone call feeds/your good usual instructions, then it must be isolated, because this phonetic control command is not
It is the instruction that current user sends.The mode of being specifically isolated is：Utilize echo cancellation technology algorithm (Acoustic echocancel
Lation, AEC), after Mike collects sound, sound number that the sound that local loudspeaker plays back is gathered from Mike
Eliminated in so that the sound that Mike records only has local user's one's voice in speech, this function can by software algorithm or
Codec chip hardware is realized.Next needs to suppress ambient noise interference, only voice needed for pickup.The present invention utilizes number
Beam forming (Beam forming) technology of word microphone, digital microphone array can be combined as required highly directive
Microphone, microphone signal control via special circuit or programmed algorithm software, it is pointed to Sounnd source direction and is strengthened audio and adopt
Collect effect, only receive the sound of user, while suppress the ambient noise of surrounding environment.For example, if external environment is playing
Film, or the sound for there are other people to answer the call, sound condition can be sized or this environment is shielded by special angle
Noise, audio needed for acquisition.Finally, using required audio, speech recognition controlled is carried out.
Fig. 3 is the audio frequency control flow chart of adaptive external environment provided in an embodiment of the present invention, as shown in figure 3, step
Including：
Step S301：Start the audio frequency control function of adaptive external environment.
Step S302：Collect phonetic control command.
Step S303：By phonetic control command and the audio frequency control instruction input speech recognition controlled software of corresponding response
(ASR) instruction database, is assembled.
Step S304：Typing phonetic control command.
Step 305：The phonetic control command of judgment step S304 typings whether with the voice control in step S303 instruction databases
Instructions match processed, if matching, step S306 is performed, otherwise performs step S307.
Step S306：Logic control is carried out, carries out corresponding response.
Specifically, if the phonetic control command of step S304 typings and the phonetic control command in step S303 instruction databases
Matching, determine that audio frequency control corresponding to the phonetic control command in step S303 instruction databases instructs, and according to the audio frequency control
Instruction, is operated accordingly.
Step S307：It is failure to actuate.
Specifically, if the phonetic control command of step S304 typings and the phonetic control command in step S303 instruction databases
Mismatch, then without any response.
It can be seen that the present invention can carry out audio frequency control according to user's service condition, such as user is using notebook computer
In product process, telephone bell sounds, and when Mike's identification meets the audio zone of condition, volume control chip adjusts the sound of loudspeaker
Amount, to utilize the communication at family.
Although the present invention is described in detail above, the invention is not restricted to this, those skilled in the art of the present technique
Various modifications can be carried out according to the principle of the present invention.Therefore, all modifications made according to the principle of the invention, all should be understood to
Fall into protection scope of the present invention.
Claims (6)
- A kind of 1. audio control method of adaptive external environment, it is characterised in that including：Corresponding relation between default phonetic control command and audio frequency control instruction；During computer system plays audio, phonetic control command is obtained by speech recognition；According to the corresponding relation between default phonetic control command and audio frequency control instruction, it is determined that resulting Voice command refers to Audio frequency control corresponding to order instructs；Being instructed using identified audio frequency control, the audio played to computer system is controlled,Also include：Diverse location on computer surface sets multiple Mikes, and formation can be by Pointing calculation machine outside sound source direction Microphone array, microphone array form a taper narrow beam,Wherein, described during computer system plays audio, the step of obtaining phonetic control command by speech recognition, includes：During computer system plays audio, the audio play data stream of the currently playing audio of computer system is obtained；Using the microphone array, the mixed audio stream comprising user speech stream and audio play data stream is obtained；In the mixed audio stream, the audio play data stream is eliminated, obtains user speech stream；Speech recognition is carried out to the user speech stream, obtains phonetic control command.
- 2. according to the method for claim 1, it is characterised in that the default phonetic control command instructs it with audio frequency control Between corresponding relation the step of include：Before computer system plays audio, using the microphone array, user speech stream is obtained；Speech recognition is carried out to the user speech stream, obtains phonetic control command；The instruction of resulting phonetic control command and audio frequency control is carried out corresponding, obtain phonetic control command and refer to audio frequency control Corresponding relation between order.
- 3. according to the method for claim 1, it is characterised in that audio frequency control determined by the utilization instructs, to calculating The step of audio of machine system plays is controlled includes：When the instruction of identified audio frequency control is the instruction for adjusting volume, it is used for adjusting volume according to described Instruction, to computer system play audio volume be adjusted；When the instruction of identified audio frequency control be for control it is Jing Yin/release Jing Yin instruction when, according to it is described be used for controlling it is quiet The Jing Yin instruction of sound/releasing, the volume that audio is played to computer system carry out Jing Yin/Jing Yin control of releasing；When identified audio frequency control instruction be for suspend/continue play instruction when, according to it is described be used for control pause/after The instruction that continued broadcasting is put, control computer system audio, which suspends/continued, to be played.
- A kind of 4. audio control apparatus of adaptive external environment, it is characterised in that including：Setup module, for presetting the corresponding relation between phonetic control command and audio frequency control instruction；Identification module, for during computer system plays audio, phonetic control command to be obtained by speech recognition；Determining module, for the corresponding relation between being instructed according to default phonetic control command and audio frequency control, it is determined that gained Audio frequency control corresponding to the phonetic control command arrived instructs；Control module, being instructed for audio frequency control determined by utilization, the audio played to computer system is controlled,Also include：Multiple Mikes of computer surface diverse location are arranged on, formation can be by Pointing calculation machine outside sound source direction Microphone array, microphone array form a taper narrow beam,Wherein, during computer system plays audio, the microphone array obtains plays number comprising user speech stream and audio According to the mixed audio stream of stream, the audio play data stream of the identification module acquisition currently playing audio of computer system, and The audio play data stream is eliminated in the mixed audio stream that the microphone array obtains, user speech stream is obtained, to the use Family voice flow carries out speech recognition, obtains phonetic control command.
- 5. device according to claim 4, it is characterised in that before computer system plays audio, the identification mould Voice flow that block obtains to the microphone array carries out speech recognition, obtains phonetic control command, and the setup module is by gained To the instruction of phonetic control command and audio frequency control carry out it is corresponding, obtain phonetic control command and audio frequency control instruct between pair It should be related to.
- 6. device according to claim 4, it is characterised in that the control module instructs in identified audio frequency control is During for adjusting the instruction of volume, according to the instruction for being used for adjusting volume, audio is played to computer system Volume be adjusted, the instruction of identified audio frequency control be for control it is Jing Yin/release Jing Yin instruction when, according to described For controlling Jing Yin/Jing Yin instruction of releasing, the volume that audio is played to computer system carries out Jing Yin/Jing Yin control of releasing, When the instruction of identified audio frequency control is the instruction for suspending/continuing to play, it is used for controlling to suspend/continue broadcasting according to described The instruction put, control computer system audio, which suspends/continued, to be played.
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| CN201510044664.2A CN104572009B (en) | 2015-01-28 | 2015-01-28 | A kind of audio control method and device of adaptive external environment |
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