CN104572009A - External environment adaptive audio control method and device - Google Patents
External environment adaptive audio control method and device Download PDFInfo
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- CN104572009A CN104572009A CN201510044664.2A CN201510044664A CN104572009A CN 104572009 A CN104572009 A CN 104572009A CN 201510044664 A CN201510044664 A CN 201510044664A CN 104572009 A CN104572009 A CN 104572009A
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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 an external environment adaptive audio control method and device and relates to the field of computer audio control. The method includes: presetting correspondence between a voice control command and an audio control command; in the period of audio play of a computer system, acquiring the voice control command by voice recognition; determining the audio control command corresponding to the voice control command according to the preset correspondence between the voice control command and the audio control command; controlling the audio file played by the computer system. In the period of user communication, the system volume is regulated intelligently, so that user experience is improved and heightened.
Description
Technical field
The present invention relates to computer audio control field, particularly a kind of audio control method of self-adaptation external environment and relevant device.
Background technology
Active computer is commonly called as computer, is a kind of robot calculator device for supercomputing, can carries out numerical evaluation, logical calculated can be carried out again, also having store-memory function, is can run according to program, automatically, the modernization intelligent electronic device of high speed processing mass data.
Further, computing machine, while having above-mentioned functions, also has the amusement function such as music, video playback.
At present, computing machine, such as notebook computer, broadcasting video/audio while, if user need connect/make a phone call, need first the volume of video/audio is turned down, quiet, even directly close video/audio to play, to avoid video/audio sound interference user's communication; And after connecing/make a phone call and terminating, again the volume of video/audio tuned up, remove quiet, or reopen video/audio.Visible, because needs are according to user's actual conditions, need manually repeatedly to carry out voice-operated operation, more loaded down with trivial details, greatly reduce user's experience.
Summary of the invention
The object of the present invention is to provide a kind of audio control method and device of self-adaptation external environment, the problem controlling audio frequency according to external environment can be solved better.
According to an aspect of the present invention, provide a kind of audio control method of self-adaptation external environment, comprising:
Preset the corresponding relation between phonetic control command and audio frequency control instruction;
During computer system audio plays, obtain phonetic control command by speech recognition;
According to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determine the audio frequency control instruction that obtained phonetic control command is corresponding;
Utilize determined audio frequency control instruction, the audio frequency that computer system is play is controlled.
Preferably, also comprise:
Arrange multiple Mike at the diverse location on computing machine surface, being formed can by the microphone array in Pointing calculation machine outside sound source direction.
Preferably, the step of the corresponding relation between described default phonetic control command and audio frequency control instruction comprises:
Before computer system audio plays, utilize described microphone array, obtain user speech stream;
Speech recognition is carried out to described user speech stream, obtains phonetic control command;
Obtained phonetic control command is carried out corresponding with audio frequency control instruction, obtains the corresponding relation between phonetic control command and audio frequency control instruction.
Preferably, described during computer system audio plays, the step being obtained phonetic control command by speech recognition is comprised:
During computer system audio plays, obtain the audio frequency play data stream of the current audio plays of computer system;
Utilize described microphone array, obtain the mixed audio stream comprising user speech stream and audio frequency play data stream;
In described mixed audio stream, eliminate described audio frequency play data stream, obtain user speech stream;
Speech recognition is carried out to described user speech stream, obtains phonetic control command.
Preferably, describedly utilize determined audio frequency control instruction, the step that the audio frequency play computer system controls comprises:
When determined audio frequency control instruction is used to regulate the instruction of volume, according to the described instruction being used for regulating volume, the volume of computer system audio plays is regulated;
When determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control;
When determined audio frequency control instruction is used to suspend/continue the instruction of playing, control to suspend/continue the instruction of playing according to described being used for, computer for controlling system audio suspends/continues to be play.
According to a further aspect in the invention, provide a kind of audio control apparatus of self-adaptation external environment, comprising:
Module is set, for the corresponding relation between default phonetic control command and audio frequency control instruction;
Identification module, for during computer system audio plays, obtains phonetic control command by speech recognition;
Determination module, for according to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determines the audio frequency control instruction that obtained phonetic control command is corresponding;
Control module, for utilizing determined audio frequency control instruction, controls the audio frequency that computer system is play.
Preferably, also comprise:
Be arranged on multiple Mikes of computing machine surface diverse location, being formed can by the microphone array in Pointing calculation machine outside sound source direction.
Preferably, before computer system audio plays, described identification module carries out speech recognition to the voice flow that described microphone array obtains, obtain phonetic control command, obtained phonetic control command carries out corresponding with audio frequency control instruction by the described module that arranges, and obtains the corresponding relation between phonetic control command and audio frequency control instruction.
Preferably, during computer system audio plays, described microphone array obtains the mixed audio stream comprising user speech stream and audio frequency play data stream, described identification module obtains the audio frequency play data stream of the current audio plays of computer system, and eliminate described audio frequency play data stream in the mixed audio stream obtained at described microphone array, obtain user speech stream, speech recognition is carried out to described user speech stream, obtains phonetic control command.
Preferably, described control module is when determined audio frequency control instruction is used to the instruction regulating volume, the instruction of volume is regulated according to described being used for, the volume of computer system audio plays is regulated, determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control, when determined audio frequency control instruction is used to suspend/continue the instruction of playing, control to suspend/continue the instruction of playing according to described being used for, computer for controlling system audio suspends/continues to be play.
Compared with prior art, beneficial effect of the present invention is:
By the present invention, user is when conversing, and computing machine particularly notebook computer product can intelligent regulating system volume, improves user's impression, improve Consumer's Experience with this.
Accompanying drawing explanation
Fig. 1 is the audio control method theory diagram of the self-adaptation external environment that the embodiment of the present invention provides;
Fig. 2 is the audio control apparatus block diagram of the self-adaptation external environment that the embodiment of the present invention provides;
Fig. 3 is the audio frequency control process flow diagram of the self-adaptation external environment that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail, should be appreciated that following illustrated preferred embodiment is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Fig. 1 is the audio control method theory diagram of the self-adaptation external environment that the embodiment of the present invention provides, and as shown in Figure 1, step comprises:
Step S101: preset the corresponding relation between phonetic control command and audio frequency control instruction.
In step S101, the corresponding relation between described phonetic control command and audio frequency control instruction can be pre-set before computer product dispatches from the factory, and is arranged as required after also can dispatching from the factory by user.
In order to reach better effect, microphone array can be utilized to form a taper narrow beam, while accepting user speech, suppressing the noise in environment and interference.Specifically, arrange multiple Mike at the diverse location on computing machine surface, being formed can by the microphone array in Pointing calculation machine outside sound source direction.Such as, two symmetrical Mikes can be set above note-book computer display screen, form microphone array, or, four symmetrical Mikes are set at note-book computer display screen marginal position, form microphone array, etc.
Like this, before computer system audio plays, described microphone array can be utilized, obtain the user speech stream having suppressed neighbourhood noise and interference, speech recognition is carried out to described user speech stream, obtain phonetic control command, and then obtained phonetic control command is carried out corresponding with audio frequency control instruction, obtain the corresponding relation between phonetic control command and audio frequency control instruction.
Step S102: during computer system audio plays, obtain phonetic control command by speech recognition.
Similarly, during computer system audio plays, described microphone array can be utilized, obtain the mixed audio stream comprising user speech stream and audio frequency play data stream.The steering order that " phonetic control command " that occur in the audio frequency play for avoiding computing machine self is directly assigned as user carries out audio frequency control, the present invention needs the audio frequency eliminating computing machine self broadcasting, therefore, during computer system audio plays, audio frequency play data stream is divided into two-way, one tunnel is sent into loudspeaker and is play, and another road is used for eliminating the audio frequency play data stream in mixed audio stream.Specifically, utilize obtain the audio frequency play data stream of current audio plays, eliminate the audio frequency play data stream in described mixed audio stream, obtain user speech stream.This makes it possible to carry out speech recognition to described user speech stream, obtain phonetic control command.
Step S103: according to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determine the audio frequency control instruction that obtained phonetic control command is corresponding.
Step S104: utilize determined audio frequency control instruction, controls the audio frequency that computer system is play.
Specifically, when determined audio frequency control instruction is used to regulate the instruction of volume, according to the described instruction being used for regulating volume, the volume of computer system audio plays is regulated; When determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control.
Such as, phonetic control command can be " feeding ", " Hello ", " hello ", " goodbye " etc., audio frequency control instruction can be " volume tunes up ", " volume is turned down ", " quiet ", " removing quiet ", " suspend play ", " continuing to play ", " closedown audio frequency " etc.Such as pre-set phonetic control command and " feed " corresponding relation between audio frequency control instruction " volume is turned down ", play the audio files such as music user during, when user receives calls, eliminated and speech recognition by audio frequency play data stream, phonetic control command will be obtained " feed ", and now according to the corresponding relation preset, audio frequency control instruction " volume is turned down " can be determined, and according to this instruction, music playback volume is turned down.Such as pre-set phonetic control command " hello " and audio frequency control instruction " suspend and play " between corresponding relation, during the video files such as user's movie, when user receives calls, eliminated and speech recognition by audio frequency play data stream, phonetic control command " hello " will be obtained, now according to the corresponding relation preset, can determine that audio frequency control instruction " suspends and plays ", and according to this instruction, suspend the video files such as movie.
Fig. 2 is the audio control apparatus block diagram of the self-adaptation external environment that the embodiment of the present invention provides, and as shown in Figure 2, comprises and arranges module 21, identification module 22, determination module 23 and control module 24.
Module 21 is set for the corresponding relation between default phonetic control command and audio frequency control instruction.
Identification module 22, for during computer system audio plays, obtains phonetic control command by speech recognition.
Determination module 23, for according to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determines the audio frequency control instruction that obtained phonetic control command is corresponding.
Control module 24, for utilizing determined audio frequency control instruction, controls the audio frequency that computer system is play.
Further, also comprise: microphone array 20, it is formed by the multiple Mikes being arranged on computing machine surface diverse location, can by Pointing calculation machine outside sound source direction.
The course of work of described device is as follows:
Before computer system audio plays, microphone array 20 obtains voice flow, identification module 22 carries out speech recognition to the voice flow that described microphone array obtains, obtain phonetic control command, now, arranging module 21 carries out corresponding by obtained phonetic control command with audio frequency control instruction, obtains the corresponding relation between phonetic control command and audio frequency control instruction.
During computer system audio plays, microphone array 20 obtains the mixed audio stream comprising user speech stream and audio frequency play data stream, identification module 22 obtains the audio frequency play data stream of the current audio plays of computer system, and described audio frequency play data stream is eliminated in the mixed audio stream of described microphone array 20 acquisition, obtain user speech stream, speech recognition is carried out to described user speech stream, obtains phonetic control command.Determination module 23 is according to the corresponding relation arranging module 21 and pre-set, determine the audio frequency control instruction corresponding to the phonetic control command that identification module 22 obtains, corresponding audio frequency control is carried out for control module 24, such as when determined audio frequency control instruction is used to the instruction regulating volume, regulate the instruction of volume according to described being used for, the volume of computer system audio plays is regulated; When determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control; When determined audio frequency control instruction is used to suspend/continue the instruction of playing, control to suspend/continue the instruction of playing according to described being used for, computer for controlling system audio suspends/continues to be play.
Further, the corresponding relation between user speech intensity and volume can also be set, like this, while microphone array obtains voice flow, determine user speech intensity, and based on user speech intensity, reasonable adjusting is carried out to current volume.
The embodiment provided by Fig. 1 and Fig. 2 is known, and first the present invention needs to isolate the audio sound distinguished computer itself and playing, as Mp3 music and Movie etc.If occur the sound instruction met in the audio program that computer itself is being play, Hello/ during as made a phone call feeds/your usual instructions such as good, then must be isolated, because phonetic control command is not the instruction that current user sends for this reason.Concrete isolation method is: utilize echo cancellation technology algorithm (Acoustic echocancel lation, AEC), after Mike collects sound, the sound played back by local loudspeaker eliminates from the voice data that Mike gathers, the sound that Mike is recorded only has local user's one's voice in speech, and this function can be realized by software algorithm or codec chip hardware.Next needs to suppress ambient noise interference, only the required voice of pickup.The present invention utilizes beam forming (Beam forming) technology of digital microphone, digital microphone array can be combined as required highly directive microphone, microphone signal is via special circuit or programmed algorithm software control, make it point to Sounnd source direction and strengthen audio collection effect, receive only the sound of user, suppress the ground unrest of surrounding environment simultaneously.Such as, if external environment is in movie, or the sound having other people to answer the call, size sound condition can be set or shield this environmental noise by special angle, obtain required audio frequency.Finally, utilize required audio frequency, carry out speech recognition controlled.
Fig. 3 is the audio frequency control process flow diagram of the self-adaptation external environment that the embodiment of the present invention provides, and as shown in Figure 3, step comprises:
Step S301: the audio frequency control function starting self-adaptation external environment.
Step S302: collect phonetic control command.
Step S303: the audio frequency control instruction of phonetic control command and corresponding response is inputted speech recognition controlled software (ASR), assembles instruction database.
Step S304: typing phonetic control command.
Step 305: whether the phonetic control command of determining step S304 typing mates with the phonetic control command in step S303 instruction database, if coupling, then performs step S306, otherwise performs step S307.
Step S306: carry out logic control, carries out correspondence response.
Specifically, if the phonetic control command of step S304 typing mates with the phonetic control command in step S303 instruction database, the audio frequency control instruction that phonetic control command in determining step S303 instruction database is corresponding, and according to described audio frequency control instruction, operate accordingly.
Step S307: be failure to actuate.
Specifically, if the phonetic control command of step S304 typing does not mate with the phonetic control command in step S303 instruction database, then any response is not carried out.
Visible, the present invention can carry out audio frequency control according to user's service condition, and such as user is in use notebook computer product process, telephone bell sounds, when Mike identifies the audio zone satisfied condition, the volume of volume control chip adjustment loudspeaker, in order to the communication of user.
Although above to invention has been detailed description, the present invention is not limited thereto, those skilled in the art of the present technique can carry out various amendment according to principle of the present invention.Therefore, all amendments done according to the principle of the invention, all should be understood to fall into protection scope of the present invention.
Claims (10)
1. an audio control method for self-adaptation external environment, is characterized in that, comprising:
Preset the corresponding relation between phonetic control command and audio frequency control instruction;
During computer system audio plays, obtain phonetic control command by speech recognition;
According to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determine the audio frequency control instruction that obtained phonetic control command is corresponding;
Utilize determined audio frequency control instruction, the audio frequency that computer system is play is controlled.
2. method according to claim 1, is characterized in that, also comprises:
Arrange multiple Mike at the diverse location on computing machine surface, being formed can by the microphone array in Pointing calculation machine outside sound source direction.
3. method according to claim 2, is characterized in that, the step of the corresponding relation between described default phonetic control command and audio frequency control instruction comprises:
Before computer system audio plays, utilize described microphone array, obtain user speech stream;
Speech recognition is carried out to described user speech stream, obtains phonetic control command;
Obtained phonetic control command is carried out corresponding with audio frequency control instruction, obtains the corresponding relation between phonetic control command and audio frequency control instruction.
4. method according to claim 2, is characterized in that, described during computer system audio plays, the step being obtained phonetic control command by speech recognition is comprised:
During computer system audio plays, obtain the audio frequency play data stream of the current audio plays of computer system;
Utilize described microphone array, obtain the mixed audio stream comprising user speech stream and audio frequency play data stream;
In described mixed audio stream, eliminate described audio frequency play data stream, obtain user speech stream;
Speech recognition is carried out to described user speech stream, obtains phonetic control command.
5. method according to claim 1, is characterized in that, describedly utilizes determined audio frequency control instruction, and the step that the audio frequency play computer system controls comprises:
When determined audio frequency control instruction is used to regulate the instruction of volume, according to the described instruction being used for regulating volume, the volume of computer system audio plays is regulated;
When determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control;
When determined audio frequency control instruction is used to suspend/continue the instruction of playing, control to suspend/continue the instruction of playing according to described being used for, computer for controlling system audio suspends/continues to be play.
6. an audio control apparatus for self-adaptation external environment, is characterized in that, comprising:
Module is set, for the corresponding relation between default phonetic control command and audio frequency control instruction;
Identification module, for during computer system audio plays, obtains phonetic control command by speech recognition;
Determination module, for according to the corresponding relation between the phonetic control command preset and audio frequency control instruction, determines the audio frequency control instruction that obtained phonetic control command is corresponding;
Control module, for utilizing determined audio frequency control instruction, controls the audio frequency that computer system is play.
7. device according to claim 6, is characterized in that, also comprises:
Be arranged on multiple Mikes of computing machine surface diverse location, being formed can by the microphone array in Pointing calculation machine outside sound source direction.
8. device according to claim 7, it is characterized in that, before computer system audio plays, described identification module carries out speech recognition to the voice flow that described microphone array obtains, obtain phonetic control command, obtained phonetic control command carries out corresponding with audio frequency control instruction by the described module that arranges, and obtains the corresponding relation between phonetic control command and audio frequency control instruction.
9. device according to claim 7, it is characterized in that, during computer system audio plays, described microphone array obtains the mixed audio stream comprising user speech stream and audio frequency play data stream, described identification module obtains the audio frequency play data stream of the current audio plays of computer system, and eliminates described audio frequency play data stream in the mixed audio stream obtained at described microphone array, obtains user speech stream, speech recognition is carried out to described user speech stream, obtains phonetic control command.
10. device according to claim 6, it is characterized in that, described control module is when determined audio frequency control instruction is used to the instruction regulating volume, the instruction of volume is regulated according to described being used for, the volume of computer system audio plays is regulated, determined audio frequency control instruction be used to control quiet/remove quiet instruction time, according to described be used for control quiet/remove quiet instruction, the volume of computer system audio plays is carried out quiet/remove quiet control, when determined audio frequency control instruction is used to suspend/continue the instruction of playing, control to suspend/continue the instruction of playing according to described being used for, computer for controlling system audio suspends/continues to be play.
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