CN106648527A - Volume control method, device and playing equipment - Google Patents
Volume control method, device and playing equipment Download PDFInfo
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- CN106648527A CN106648527A CN201610980714.2A CN201610980714A CN106648527A CN 106648527 A CN106648527 A CN 106648527A CN 201610980714 A CN201610980714 A CN 201610980714A CN 106648527 A CN106648527 A CN 106648527A
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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
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
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Abstract
The invention discloses a volume control method, device and playing equipment. The volume control method comprises the steps of obtaining a collected current environmental voice frequency; identifying a current output voice frequency of a loudspeaker from a current environmental voice frequency; removing the current output voice frequency of the loudspeaker from the current environmental voice frequency to obtain environmental noise; generating a volume control signal according to the environmental noise and a current output voice frequency of the loudspeaker, wherein the volume control signal is used for controlling the volume of the output voice frequency of the loudspeaker. Through the volume control method, device and the playing equipment, the environmental noise is obtained by removing the current output voice frequency of the loudspeaker from the collected current environmental voice frequency so as to avoid that the output voice frequency affects the accuracy of the volume control signal, then the environmental noise and the current output voice frequency of the loudspeaker are utilized to generate the volume control signal to be used for automatic control over the output voice volume of the loudspeaker, thus the playing equipment can conduct automatic volume adjustment according to the change of the environmental noise without conducting manual adjustment.
Description
Technical field
The present invention relates to Audiotechnica field, and in particular to a kind of method for controlling volume, device and playback equipment.
Background technology
All sound that the mankind can hear can be referred to as audio frequency, and it potentially includes noise etc..Existing audio frequency and video
In playback equipment (such as recorder, TV), enter typically by the operating key on remote control either equipment or Set Top Box
Row is adjusted.The step size of each volume control of this control mode is fixed, when the audio frequency played is subject to environment
During the interference of noise, user needs the regulation that volume is carried out by above-mentioned operating key.However, in process of the present invention is realized, sending out
A person of good sense has found that at least there are the following problems in prior art：When environmental noise is when changing, user is also required to according to environment
The change of noise carries out manual volume regulation, and this volume adjusting mode is very loaded down with trivial details.For example, when environmental noise change is big, use
When the audio frequency that playback equipment is exported is heard at family in which will be clear that, increase manually is needed to play the volume of audio frequency；When environmental noise gradually
During reduction, the audio frequency to avoid playback equipment from exporting is relatively too big, then need to reduce manually the volume for playing audio frequency.
The content of the invention
In view of this, a kind of method for controlling volume, device and playback equipment are embodiments provided, it is existing to solve
Have when environmental noise is when changing in technology, user is also required to carry out manual volume regulation according to the change of environmental noise,
The very loaded down with trivial details problem of this volume adjusting mode.
According in a first aspect, embodiments providing a kind of method for controlling volume, it is adaptable to audio-frequence player device, should
Method for controlling volume includes：The current environment audio frequency that acquisition is collected；Identify that loudspeaker is worked as from the current environment audio frequency
Front output audio frequency；The current output audio frequency of the loudspeaker in the current environment audio frequency is rejected, environmental noise is obtained；Root
Volume control signal is generated according to the current output audio frequency of the environmental noise and the loudspeaker, wherein, the volume control letter
Number for controlling the volume that the loudspeaker exports audio frequency.
Alternatively, the output audio frequency current according to the environmental noise and the loudspeaker generates volume control letter
Number, including：Obtain the current volume for exporting audio frequency of the volume and the loudspeaker of the environmental noise；By the environmental noise
Volume determine that the loudspeaker exports the target volume of audio frequency；According to the target volume output current with the loudspeaker
The volume of audio frequency generates the volume control signal.
Alternatively, the volume by the environmental noise determines that the loudspeaker exports the target volume of audio frequency, including：
The volume of the environmental noise is substituted into into preset function to be calculated, the target volume that the loudspeaker exports audio frequency is obtained；Or
Person, the corresponding loudspeaker of volume that the environmental noise is inquired about from database exports the target volume of audio frequency.
Alternatively, the output audio frequency current according to the environmental noise and the loudspeaker generates volume control letter
Number, including：Obtain separated by a distance and user between；Obtain the current output of the volume and the loudspeaker of the environmental noise
The volume of audio frequency；Determine that the loudspeaker exports the target volume of audio frequency according to the volume of the distance and the environmental noise；
The volume control signal is generated according to the volume of the target volume output audio frequency current with the loudspeaker.
Alternatively, it is separated by a distance between the acquisition and user, including：Institute is identified from the current environment audio frequency
State the sound that user sends；The sound sent according to the user calculates separated by a distance between user.
According to second aspect, a kind of sound volume control device is embodiments provided, it is adaptable to audio-frequence player device, should
Sound volume control device includes：Acquiring unit, for obtaining the current environment audio frequency for collecting；Recognition unit, for working as from described
The current output audio frequency of loudspeaker is identified in front environmental audio；Culling unit, for rejecting the current environment audio frequency in
The current output audio frequency of the loudspeaker, obtains environmental noise；Signal generating unit, for according to the environmental noise and described raising one's voice
The current output audio frequency of device generates volume control signal, wherein, the volume control signal is used to control the loudspeaker output
The volume of audio frequency.
Alternatively, the signal generating unit includes：First acquisition module, for obtaining the volume of the environmental noise and described
The volume of the current output audio frequency of loudspeaker；First determining module, for determining described raising one's voice by the volume of the environmental noise
Device exports the target volume of audio frequency；First generation module, for according to the target volume output current with the loudspeaker
The volume of audio frequency generates the volume control signal.
Alternatively, first determining module includes：First calculating sub module, for by the volume generation of the environmental noise
Enter preset function to be calculated, obtain the target volume that the loudspeaker exports audio frequency；Or, submodule is inquired about, for from number
The target volume of audio frequency is exported according to the corresponding loudspeaker of the volume that the environmental noise is inquired about in storehouse.
Alternatively, the signal generating unit includes：Second acquisition module, for separated by a distance between acquisition and user；The
Three acquisition modules, the volume of the current output audio frequency of the volume and the loudspeaker for obtaining the environmental noise；Second is true
Cover half block, for determining that the loudspeaker exports the target volume of audio frequency according to the volume of the distance and the environmental noise；
Second generation module, for generating the volume according to the volume of the target volume output audio frequency current with the loudspeaker
Control signal.
Alternatively, second acquisition module includes：Identification submodule, for identifying from the current environment audio frequency
The sound that the user sends；Second calculating sub module, the sound for being sent according to the user is calculated between user
It is separated by a distance.
According to the third aspect, a kind of playback equipment is embodiments provided, including：Collector, it is current for gathering
Environmental audio；Loudspeaker, for exporting audio frequency；Processor, is connected respectively with the collector and the loudspeaker, for performing
Method for controlling volume described in the optional mode of any one of first aspect or first aspect.
According to fourth aspect, a kind of non-transient computer readable storage medium storing program for executing is embodiments provided, it is described non-temporary
State computer-readable recording medium storage computer instruction, the computer instruction is used to make the computer perform first aspect
Or the method for controlling volume described in any one optional mode of first aspect.
According to the 5th aspect, a kind of computer program, the computer program are embodiments provided
Including the calculation procedure being stored on non-transient computer readable storage medium storing program for executing, the computer program includes programmed instruction, when
Described program instruction is when being computer-executed, make the computer perform first aspect or first aspect any one is optional
Method for controlling volume described in mode.
According to embodiments of the present invention, by rejecting the current output sound of loudspeaker in the current environment audio frequency for collecting
Frequently, environmental noise is obtained, to avoid the output audible effects volume control signal accuracy, then using environmental noise and is raised
The current output audio frequency of sound device generating volume control signal, to automatically controlling for the output audio volume to loudspeaker, from
And enable playback equipment to carry out automatic volume regulation according to the change of environmental noise, and without the need for being adjusted manually, regulation side
Formula is simply intelligent.
According to embodiments of the present invention, it is used as determination target volume by increasing the distance between audio-frequence player device and user
Condition, fully take into account the impact of the sound size to be heard to user of the distance, so as to ensure volume control standard
True property, it is adaptable to different distances, improves Consumer's Experience.
Description of the drawings
One or more embodiments are illustrative by the picture in corresponding accompanying drawing, these exemplary theorys
Bright not constitute the restriction to embodiment, the element with same reference numbers label is expressed as similar element in accompanying drawing, removes
Non- to have especially statement, composition is not limited the figure in accompanying drawing：
Fig. 1 shows the flow chart of method for controlling volume according to embodiments of the present invention；
Fig. 2 shows the flow chart of the method for controlling volume of another embodiment of the present invention；
Fig. 3 shows the flow chart of the method for controlling volume of further embodiment of this invention；
Fig. 4 shows the schematic diagram of the sound volume control device of the embodiment of the present invention；
Fig. 5 shows the schematic diagram of the sound volume control device of another embodiment of the present invention；
Fig. 6 shows the schematic diagram of the sound volume control device of another embodiment of the present invention；
Fig. 7 shows the schematic diagram of the playback equipment of the embodiment of the present invention.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those skilled in the art are not having
Have and make the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
A kind of method for controlling volume is embodiments provided, audio-frequence player device should be applied to, such as with Mike
The equipment of the playable audio frequency such as TV, radio, the mobile phone of wind (or dual microphone).
Fig. 1 shows the flow chart of method for controlling volume according to embodiments of the present invention.As shown in figure 1, the volume control
Method includes：
Step S101, obtains the current environment audio frequency for collecting.
Audio frequency (i.e. current environment audio frequency) in collector collection current environment, it is current that processor obtains this from collector
Environmental audio.Because collector is typically indifference collection, that is to say, include loudspeaker in the current environment audio frequency current
Output audio frequency and current environment noise.
Step S102, identifies the current output audio frequency of loudspeaker from current environment audio frequency.
Because the current output audio frequency of loudspeaker is played back by playback equipment itself, therefore, the output audio frequency
The parameter such as tone color, vocal print be known parameters, it is possible thereby to identify the current output of loudspeaker from current environment audio frequency
Audio frequency.
Step S103, the current output audio frequency of the loudspeaker in rejecting current environment audio frequency, obtains environmental noise.
After identifying the current output audio frequency of loudspeaker, it is rejected from current environment audio frequency, it is current so as to obtain
Environmental noise.In the present embodiment, the current output audio frequency of loudspeaker is rejected from current environment audio frequency, it is real so as to obtain
Environmental noise, it is to avoid directly volume control is caused come the volume that controlling loudspeaker exports audio frequency using the current environment audio frequency for collecting
Make inaccurate problem.
Because the current output audio frequency of the loudspeaker in current environment audio frequency is the audio frequency of known frequency spectrum, i.e. its audio frequency parameter
For known parameters, in this case can be remaining from the current output audio frequency of extracting directly loudspeaker in current environment audio frequency
Audio frequency is then environmental noise；Or, because the current output audio frequency of loudspeaker is the audio frequency of known parameters, using the denoising of audio frequency
The principle of process, the output audio frequency current to loudspeaker is oriented rejecting, obtains environmental noise.
Step S104, according to the current output audio frequency of environmental noise and loudspeaker volume control signal is generated, wherein, volume
Control signal is used for the volume that controlling loudspeaker exports audio frequency.
Then according to the output audio frequency of current environmental noise and loudspeaker, volume control signal is generated, to control automatically
The volume of the output audio frequency of loudspeaker processed.It is alternatively possible to according to the volume and the volume of current output audio frequency of environmental noise
To generate volume control signal.
According to embodiments of the present invention, by rejecting the current output sound of loudspeaker in the current environment audio frequency for collecting
Frequently, environmental noise is obtained, to avoid the output audible effects volume control signal accuracy, then using environmental noise and is raised
The current output audio frequency of sound device generating volume control signal, to automatically controlling for the output audio volume to loudspeaker, from
And enable playback equipment to carry out automatic volume regulation according to the change of environmental noise, and without the need for being adjusted manually, regulation side
Formula is simply intelligent.
Fig. 2 shows the flow chart of the method for controlling volume of another embodiment of the present invention.The method for controlling volume is equally fitted
For audio-frequence player device.As shown in Fig. 2 the method for controlling volume includes：
Step S201, obtains the current environment audio frequency for collecting.
Step S202, identifies the current output audio frequency of loudspeaker from current environment audio frequency.
Step S203, the current output audio frequency of the loudspeaker in rejecting current environment audio frequency, obtains environmental noise.
In the present embodiment, step S201 to S203 is similar with the step S101 to S103 shown in Fig. 1 respectively, may refer to
The description of embodiment is stated, is repeated no more here.
Step S204, obtains the current volume for exporting audio frequency of the volume and loudspeaker of environmental noise.
The volume of environmental noise can be from above-mentioned through processing acquisition on the environmental noise for obtaining, specifically, using software
Program carries out being calculated its volume to environmental noise.The volume of the current output audio frequency of loudspeaker then can be detected by volume
Obtain, or, obtained based on the current output audio computer of loudspeaker.
Step S205, determines that loudspeaker exports the target volume of audio frequency by the volume of environmental noise.
Volume after the target volume as regulation of loudspeaker output audio frequency, that is to say that loudspeaker is based on volume control signal
After regulation, the volume of audio frequency is exported.The target volume need to ensure that under current environmental noise user can not hear loudspeaker
Output audio frequency.
Step S206, according to the volume of the current output audio frequency of target volume and loudspeaker volume control signal is generated.
Specifically, can be according to the control of target volume generation poor with the volume that loudspeaker currently exports audio frequency corresponding volume
Signal.If the volume of the target volume output audio frequency current more than loudspeaker, the volume control signal for generating is used to improve
The volume of the output audio frequency of loudspeaker；Conversely, then volume control signal is then used to reduce the volume of the output audio frequency of loudspeaker.Its
In, volume control signal can be used for the volume of controlling loudspeaker output audio frequency and directly reach target volume, it is also possible to which control is raised
The volume of sound device output audio frequency progressivelyes reach target volume.
Alternatively, as the method for controlling volume of another embodiment of the present invention, the method for controlling volume of the present embodiment is in Fig. 2
On the basis of described method for controlling volume, the implementation of step S205 includes：The volume of environmental noise is substituted into into default letter
Number is calculated, and obtains the target volume that loudspeaker exports audio frequency.
Preset function is used between the target volume that can be used to indicate that the volume and loudspeaker output audio frequency of environmental noise
Mathematical relationship, in the preset function volume of environmental noise be independent variable, then loudspeaker output audio frequency target volume be
Dependent variable, volume one loudspeaker of correspondence of each environmental noise exports the target volume of audio frequency.For example, preset function is：
The volume of the target volume=environmental noise of loudspeaker output audio frequency+default volume decibel, wherein, default volume decibel can be
Obtained according to experiment statisticses, when the volume that loudspeaker exports audio frequency exceedes the default volume decibel of environmental noise, Yong Huneng
It is enough clearly not hear the content that loudspeaker exports audio frequency.Default volume decibel can be definite value, it is also possible to environmental noise
The value that volume changes, i.e. default volume decibel has certain functional relation with the volume of environmental noise.Therefore, we
Only it needs to be determined that quickly determine target volume by going out environmental noise in case, so that volume veolcity is fast, without the need for entering
The inquiry of row database, improves target volume constant speed degree really.
Because the wave volume that ear is received is bigger, the stimulation to ear is bigger, easily affects when more than certain value
Hearing, in order to protect the hearing of user, the target volume determined in the above embodiment of the present invention has a higher limit, when
When calculated target volume is more than the higher limit, then using the higher limit as target volume.
Alternatively, as the method for controlling volume of another embodiment of the present invention, the method for controlling volume of the present embodiment is in Fig. 2
On the basis of described method for controlling volume, the implementation of step S205 can also include：Inquire about environment from database to make an uproar
The corresponding loudspeaker of volume of sound exports the target volume of audio frequency.
In this embodiment, the corresponding relation between the volume and target volume of every kind of varying environment noise is stored in
In database, so, after the volume for determining environmental noise, you can using the volume of environmental noise as querying condition, from
Match query exports the target volume of audio frequency to corresponding loudspeaker in database, and determination mode speed is fast.
Fig. 3 shows the flow chart of the method for controlling volume of further embodiment of this invention.The method for controlling volume is equally fitted
For audio-frequence player device.As shown in figure 3, the method for controlling volume includes：
Step S301, obtains the current environment audio frequency for collecting.
Step S302, identifies the current output audio frequency of loudspeaker from current environment audio frequency.
Step S303, the current output audio frequency of the loudspeaker in rejecting current environment audio frequency, obtains environmental noise.
In the present embodiment, step S301 to S303 is similar with the step S101 to S103 shown in Fig. 1 respectively, may refer to
The description of embodiment is stated, is repeated no more here.
Step S304, obtains separated by a distance and user between.
The distance may refer to the distance between audio-frequence player device and user, specifically may refer to loudspeaker and user it
Between distance.The distance can be determined that its determination mode can have various, for example, by remote control by the two relative position
Positioning, user's acoustic location, or Detection location (such as infrared, radar).
Step S305, obtains the current volume for exporting audio frequency of the volume and loudspeaker of environmental noise.
Step S306, determines that loudspeaker exports the target volume of audio frequency according to the volume of distance and environmental noise.
Because the distance between user and audio-frequence player device can affect the reception and registration of sound.Under identical volume, distance
More remote, the sound heard is less；Otherwise the sound then heard is bigger.Therefore, it is determined that during target volume, needing combining environmental to make an uproar
The distance between the volume of sound and user and audio-frequence player device.Specifically, different distance can be obtained according to experiment statisticses
Under, the corresponding relation between the volume and target volume of environmental noise, in being then store in database, it is determined that target volume
When, directly inquired about from database.It is alternatively possible to predefine target volume and environmental noise volume and user with
Functional relation between the distance between audio-frequence player device, using the volume and distance of above-mentioned environmental noise as independent variable, mesh
Mark with phonetic symbols amount is calculated target noise as dependent variable by the function determined, without the need for inquiring about database, calculating speed is fast.
When it needs to be determined that during target volume, being total to the volume of the distance and environmental noise of active user and audio-frequence player device
With as querying condition, match query goes out target volume.
Step S307, according to the volume of the current output audio frequency of target volume and loudspeaker volume control signal is generated.
Step S307 is similar with step S206 shown in Fig. 2, referring specifically to foregoing description, repeats no more here.
According to embodiments of the present invention, it is used as determination target volume by increasing the distance between audio-frequence player device and user
Condition, fully take into account the impact of the sound size to be heard to user of the distance, so as to ensure volume control standard
True property, it is adaptable to different distances, improves Consumer's Experience.
Alternatively, as the method for controlling volume of another embodiment of the present invention, the method for controlling volume of the present embodiment is in Fig. 3
On the basis of described method for controlling volume, step S304, obtain and user between it is separated by a distance including：From current environment sound
The sound that user sends is identified in frequency；Calculated according to the sound that user sends separated by a distance between user.
In the present embodiment, user for example sends sound control order to audio-frequence player device sounding, what collector was collected
Then carry the sound of user in current environment audio frequency, the tone color of the sound and can be stored in advance in audio frequency with vocal print feature
In playback equipment, the sound that user sends thus is identified from the current environment audio frequency for collecting, based on this calculate with
The distance between family.Specifically, audio-frequence player device can have multiple collectors (for example, using dual microphone
The TV of (microphone, referred to as MIC) or microphone array), the sound of the user collected according to different acquisition device,
The distance between can determine the orientation at the place of user, and then determine with user.
Alternatively, as the method for controlling volume of another embodiment of the present invention, if audio-frequence player device includes also including
Multiple loudspeakers, then the method for controlling volume also includes：Determine orientation of the user relative to audio-frequence player device；According to the party
Position and the volume of environmental noise, determine that each loudspeaker exports the target volume of audio frequency, wherein, the loudspeaker of diverse location
Volume it is different.So, it is ensured that user can hear the sound of high tone quality in different orientation.
Embodiments provide a kind of sound volume control device, it is adaptable to audio-frequence player device, can be played by audio frequency
Equipment realizes its function.The sound volume control device of the present embodiment can be used for performing the volume described in the above embodiment of the present invention
Control method, above-mentioned method for controlling volume can be used for the sound volume control device of the embodiment of the present invention.
Fig. 4 shows the schematic diagram of the sound volume control device of the embodiment of the present invention.As shown in figure 4, the sound volume control device
Including：Acquiring unit 401, recognition unit 402, culling unit 403 and signal generating unit 404.
Acquiring unit 401 is used to obtain the current environment audio frequency for collecting.
Audio frequency (i.e. current environment audio frequency) in collector collection current environment, acquiring unit 401 is obtained from collector
The current environment audio frequency.Because collector is typically indifference collection, that is to say, in the current environment audio frequency loudspeaker is included
Current output audio frequency and current environment noise.
Recognition unit 402 is used to identify the current output audio frequency of loudspeaker from current environment audio frequency.
Because the current output audio frequency of loudspeaker is played back by playback equipment itself, therefore, the output audio frequency
The parameter such as tone color, vocal print be known parameters, it is possible thereby to identify the current output of loudspeaker from current environment audio frequency
Audio frequency.
The output audio frequency current for rejecting the loudspeaker in current environment audio frequency of culling unit 403, obtains environmental noise.
After identifying the current output audio frequency of loudspeaker, it is rejected from current environment audio frequency, it is current so as to obtain
Environmental noise.In the present embodiment, the current output audio frequency of loudspeaker is rejected from current environment audio frequency, it is real so as to obtain
Environmental noise, it is to avoid directly volume control is caused come the volume that controlling loudspeaker exports audio frequency using the current environment audio frequency for collecting
Make inaccurate problem.
Because the current output audio frequency of the loudspeaker in current environment audio frequency is the audio frequency of known frequency spectrum, i.e. its audio frequency parameter
For known parameters, in this case can be remaining from the current output audio frequency of extracting directly loudspeaker in current environment audio frequency
Audio frequency is then environmental noise；Or, because the current output audio frequency of loudspeaker is the audio frequency of known parameters, using the denoising of audio frequency
The principle of process, the output audio frequency current to loudspeaker is oriented rejecting, obtains environmental noise.
Signal generating unit 404 is used to generate volume control signal according to the current output audio frequency of environmental noise and loudspeaker, its
In, volume control signal is used for the volume that controlling loudspeaker exports audio frequency.
Then according to the output audio frequency of current environmental noise and loudspeaker, volume control signal is generated, to control automatically
The volume of the output audio frequency of loudspeaker processed.It is alternatively possible to according to the volume and the volume of current output audio frequency of environmental noise
To generate volume control signal.
According to embodiments of the present invention, by rejecting the current output sound of loudspeaker in the current environment audio frequency for collecting
Frequently, environmental noise is obtained, to avoid the output audible effects volume control signal accuracy, then using environmental noise and is raised
The current output audio frequency of sound device generating volume control signal, to automatically controlling for the output audio volume to loudspeaker, from
And enable playback equipment to carry out automatic volume regulation according to the change of environmental noise, and without the need for being adjusted manually, regulation side
Formula is simply intelligent.
Fig. 5 shows the schematic diagram of the sound volume control device of another embodiment of the present invention.The sound volume control device is equally fitted
For audio-frequence player device.As shown in figure 5, the sound volume control device includes：Acquiring unit 401, recognition unit 402, rejecting are single
Unit 403 and signal generating unit 404.Wherein, signal generating unit 404 includes：First acquisition module 4041, the first determining module 4042,
One generation module 4043.Wherein, acquiring unit 401, recognition unit 402, culling unit 403 and the acquiring unit shown in Fig. 4
401st, recognition unit 402, culling unit 403 are identical successively, referring specifically to above description.
First acquisition module 4041 is used to obtaining the volume of the current output audio frequency of volume and loudspeaker of environmental noise.
The volume of environmental noise can be from above-mentioned through processing acquisition on the environmental noise for obtaining, specifically, using software
Program carries out being calculated its volume to environmental noise.The volume of the current output audio frequency of loudspeaker then can be detected by volume
Obtain, or, obtained based on the current output audio computer of loudspeaker.
First determining module 4042 is used to determine that loudspeaker exports the target volume of audio frequency by the volume of environmental noise.Raise one's voice
Volume after the target volume as regulation of device output audio frequency, after that is to say loudspeaker based on volume control signal regulation, output
The volume of audio frequency.The target volume need to ensure that under current environmental noise user can not hear the output audio frequency of loudspeaker.
First generation module 4043 is used to generate volume according to the volume of the current output audio frequency of target volume and loudspeaker
Control signal.
Specifically, can be according to the control of target volume generation poor with the volume that loudspeaker currently exports audio frequency corresponding volume
Signal.If the volume of the target volume output audio frequency current more than loudspeaker, the volume control signal for generating is used to improve
The volume of the output audio frequency of loudspeaker；Conversely, then volume control signal is then used to reduce the volume of the output audio frequency of loudspeaker.Its
In, volume control signal can be used for the volume of controlling loudspeaker output audio frequency and directly reach target volume, it is also possible to which control is raised
The volume of sound device output audio frequency progressivelyes reach target volume.
Alternatively, as the sound volume control device of another embodiment of the present invention, the sound volume control device of the present embodiment is in Fig. 5
On the basis of described sound volume control device, the first determining module 4042 includes：First calculating sub module, for by environmental noise
Volume substitute into preset function calculated, obtain loudspeaker export audio frequency target volume.
Preset function is used between the target volume that can be used to indicate that the volume and loudspeaker output audio frequency of environmental noise
Mathematical relationship, in the preset function volume of environmental noise be independent variable, then loudspeaker output audio frequency target volume be
Dependent variable, volume one loudspeaker of correspondence of each environmental noise exports the target volume of audio frequency.For example, preset function is：
The volume of the target volume=environmental noise of loudspeaker output audio frequency+default volume decibel, wherein, default volume decibel can be
Obtained according to experiment statisticses, when the volume that loudspeaker exports audio frequency exceedes the default volume decibel of environmental noise, Yong Huneng
It is enough clearly not hear the content that loudspeaker exports audio frequency.Default volume decibel can be definite value, it is also possible to environmental noise
The value that volume changes, i.e. default volume decibel has certain functional relation with the volume of environmental noise.Therefore, we
Only it needs to be determined that quickly determine target volume by going out environmental noise in case, so that volume veolcity is fast, without the need for entering
The inquiry of row database, improves target volume constant speed degree really.
Because the wave volume that ear is received is bigger, the stimulation to ear is bigger, easily affects when more than certain value
Hearing, in order to protect the hearing of user, the target volume determined in the above embodiment of the present invention has a higher limit, when
When calculated target volume is more than the higher limit, then using the higher limit as target volume.
Alternatively, as the sound volume control device of another embodiment of the present invention, the sound volume control device of the present embodiment is in Fig. 5
On the basis of described sound volume control device, the first determining module 4042 includes：Inquiry submodule, for inquiring about from database
The corresponding loudspeaker of volume of environmental noise exports the target volume of audio frequency.
In this embodiment, the corresponding relation between the volume and target volume of every kind of varying environment noise is stored in
In database, so, after the volume for determining environmental noise, you can using the volume of environmental noise as querying condition, from
Match query exports the target volume of audio frequency to corresponding loudspeaker in database, and determination mode speed is fast.
Fig. 6 shows the schematic diagram of the sound volume control device of another embodiment of the present invention.The sound volume control device is equally fitted
For audio-frequence player device.As shown in fig. 6, the sound volume control device includes：Acquiring unit 401, recognition unit 402, rejecting are single
Unit 403 and signal generating unit 404.Wherein, signal generating unit 404 includes：Second acquisition module 4044, the 3rd acquisition module 4045,
Two determining modules 4046 and the second generation module 4047.Wherein, acquiring unit 401, recognition unit 402, culling unit 403 and figure
Acquiring unit 401, recognition unit 402 shown in 4, culling unit 403 are identical successively, referring specifically to above description.
Second acquisition module 4044, for separated by a distance between acquisition and user.
The distance may refer to the distance between audio-frequence player device and user, specifically may refer to loudspeaker and user it
Between distance.The distance can be determined that its determination mode can have various, for example, by remote control by the two relative position
Positioning, user's acoustic location, or Detection location (such as infrared, radar).
3rd acquisition module 4045, the volume of the current output audio frequency of the volume and loudspeaker for obtaining environmental noise.
Second determining module 4046, for determining that loudspeaker exports the target of audio frequency according to the volume of distance and environmental noise
Volume.
Because the distance between user and audio-frequence player device can affect the reception and registration of sound.Under identical volume, distance
More remote, the sound heard is less；Otherwise the sound then heard is bigger.Therefore, it is determined that during target volume, needing combining environmental to make an uproar
The distance between the volume of sound and user and audio-frequence player device.Specifically, different distance can be obtained according to experiment statisticses
Under, the corresponding relation between the volume and target volume of environmental noise, in being then store in database., it is determined that target volume
When, directly inquired about from database.It is alternatively possible to predefine target volume and environmental noise volume and user with
Functional relation between the distance between audio-frequence player device, using the volume and distance of above-mentioned environmental noise as independent variable, mesh
Mark with phonetic symbols amount is calculated target noise as dependent variable by the function determined, without the need for inquiring about database, calculating speed is fast.When
It needs to be determined that during target volume, with the volume of the distance and environmental noise of active user and audio-frequence player device collectively as inquiry
Condition, match query goes out target volume.
Second generation module 4047, for generating volume according to the volume of the current output audio frequency of target volume and loudspeaker
Control signal.
Second generation module 4047 is similar with the function of the first generation module 4043 shown in Fig. 5, referring specifically to regard to
One generation module 4043 is described.
According to embodiments of the present invention, it is used as determination target volume by increasing the distance between audio-frequence player device and user
Condition, fully take into account the impact of the sound size to be heard to user of the distance, so as to ensure volume control standard
True property, it is adaptable to different distances, improves Consumer's Experience.
Alternatively, as the sound volume control device of another embodiment of the present invention, the sound volume control device of the present embodiment is in Fig. 6
On the basis of described sound volume control device, the second acquisition module includes：Identification submodule, for knowing from current environment audio frequency
Do not go out the sound that user sends；Second calculating sub module, the sound for being sent according to user is calculated and is separated by between user
Distance.
In the present embodiment, user for example sends sound control order to audio-frequence player device sounding, what collector was collected
Then carry the sound of user in current environment audio frequency, the tone color of the sound and can be stored in advance in audio frequency with vocal print feature
In playback equipment, the sound that user sends thus is identified from the current environment audio frequency for collecting, based on this calculate with
The distance between family.Specifically, audio-frequence player device can have multiple collectors (for example, using dual microphone
The TV of (microphone, referred to as MIC) or microphone array), the sound of the user collected according to different acquisition device
The distance between sound, it may be determined that the orientation at the place of user, and then determine with user.
A kind of playback equipment is embodiments provided, the playback equipment can be used for performing the above embodiment of the present invention
Described in audio control method, and realize the function of audio control apparatus described in above-described embodiment, may refer to
State the audio-frequence player device described in embodiment, naturally it is also possible to refer to video playback apparatus.As shown in fig. 7, the playback equipment
Including：Collector 701, for gathering current environment audio frequency；Loudspeaker 702, for exporting audio frequency；Processor 703, with collector
Connect respectively with loudspeaker, for performing the audio control method described in the above embodiment of the present invention, in realizing above-described embodiment
The function of each unit module in described audio control apparatus.
Processor 703 can be central processing unit (Central Processing Unit, CPU).Processor 703 may be used also
Think other general processors, digital signal processor (Digital Signal Processor, DSP), special IC
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other PLDs, discrete gate or transistor logic,
The chips such as discrete hardware components, or the combination of above-mentioned all kinds of chips.General processor can be microprocessor or the process
Device can also be any conventional processor etc..
The embodiment of the present invention additionally provides a kind of non-transient computer readable storage medium storing program for executing, and the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM), random access memory (Random Access
Memory, RAM), flash memory (Flash Memory), hard disk (Hard Disk Drive, abbreviation：) or solid state hard disc HDD
(Solid-State Drive, SSD) etc.；The storage medium can also include the combination of the memory of mentioned kind.
The non-transient computer readable storage medium storing program for executing stores computer instruction, the computer instruction by make it is described based on
Calculation machine performs the method for controlling volume described in the above embodiment of the present invention.Specifically, non-transient computer readable storage medium storing program for executing
Can be used to store non-transient software program, non-transient computer executable program and module, the such as sound in the embodiment of the present invention
(acquiring unit 401 for example, shown in accompanying drawing 4, recognition unit 402, rejecting are single for the corresponding programmed instruction/module of amount control method
Unit 403 and signal generating unit 404).Processor 703 is stored in non-transient in non-transient computer readable storage medium storing program for executing by operation
Software program, instruction and module, the various function application and data processing so as to execute server, that is, realize said method
The method for controlling volume of embodiment.
Non-transient computer readable storage medium storing program for executing can include storing program area and storage data field, wherein, storage program
Area can be required for storage program area, at least one function application program；Storage data field can be stored and operated according to list items
Processing meanss use created data etc..Additionally, non-transient computer readable storage medium storing program for executing can be included at a high speed at random
Access memory, can also include non-transient memory, for example, at least one disk memory, flush memory device or other are non-
Transient state solid-state memory.In certain embodiments, non-transient computer readable storage medium storing program for executing is optional including relative to processor
703 remotely located memories, these remote memories can pass through the processing meanss that network connection is operated to list items.It is above-mentioned
The example of network includes but is not limited to internet, intranet, LAN, mobile radio communication and combinations thereof.
One or more of modules are stored in the non-transient computer readable storage medium storing program for executing, when one
Or during multiple execution of processors 703, perform method as Figure 1-3.
The method that the executable embodiment of the present invention of the said goods is provided, possesses the corresponding functional module of execution method and has
Beneficial effect.Not ins and outs of detailed description in the present embodiment, the correlation in specifically can be found in as in the embodiment disclosed in figs. 1-3
Description.
Can be logical it will be understood by those skilled in the art that realizing all or part of flow process in above-described embodiment method
Computer program is crossed to instruct the hardware of correlation to complete, described program can be stored in a computer read/write memory medium
In, the program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (ROM) or random access memory (RAM) etc..
Although being described in conjunction with the accompanying embodiments of the invention, those skilled in the art can be without departing from the present invention
Spirit and scope in the case of various modification can be adapted and modification, such modification and modification are each fallen within by claims institute
Within the scope of restriction.
Claims (11)
1. a kind of method for controlling volume, it is characterised in that include：
The current environment audio frequency that acquisition is collected；
The current output audio frequency of loudspeaker is identified from the current environment audio frequency；
The current output audio frequency of the loudspeaker in the current environment audio frequency is rejected, environmental noise is obtained；
Volume control signal is generated according to the current output audio frequency of the environmental noise and the loudspeaker, wherein, the volume
Control signal is used to control the volume that the loudspeaker exports audio frequency.
2. method for controlling volume according to claim 1, it is characterised in that described according to the environmental noise and described to raise
The current output audio frequency of sound device generates volume control signal, including：
Obtain the current volume for exporting audio frequency of the volume and the loudspeaker of the environmental noise；
Determine that the loudspeaker exports the target volume of audio frequency by the volume of the environmental noise；
The volume control signal is generated according to the volume of the target volume output audio frequency current with the loudspeaker.
3. method for controlling volume according to claim 2, it is characterised in that the volume by the environmental noise determines
The loudspeaker exports the target volume of audio frequency, including：
The volume of the environmental noise is substituted into into preset function to be calculated, the target sound that the loudspeaker exports audio frequency is obtained
Amount；Or
The corresponding loudspeaker of volume that the environmental noise is inquired about from database exports the target volume of audio frequency.
4. method for controlling volume according to claim 1, it is characterised in that described according to the environmental noise and described to raise
The current output audio frequency of sound device generates volume control signal, including：
Obtain separated by a distance and user between；
Obtain the current volume for exporting audio frequency of the volume and the loudspeaker of the environmental noise；
Determine that the loudspeaker exports the target volume of audio frequency according to the volume of the distance and the environmental noise；
The volume control signal is generated according to the volume of the target volume output audio frequency current with the loudspeaker.
5. method for controlling volume according to claim 4, it is characterised in that be separated by between the acquisition and user away from
From, including：
The sound that the user sends is identified from the current environment audio frequency；
The sound sent according to the user calculates separated by a distance between user.
6. a kind of sound volume control device, it is characterised in that include：
Acquiring unit, for obtaining the current environment audio frequency for collecting；
Recognition unit, the output audio frequency current for identifying loudspeaker from the current environment audio frequency；
Culling unit, for rejecting the current environment audio frequency in the current output audio frequency of the loudspeaker, obtain environment and make an uproar
Sound；
Signal generating unit, for generating volume control signal according to the current output audio frequency of the environmental noise and the loudspeaker,
Wherein, the volume control signal is used to control the volume that the loudspeaker exports audio frequency.
7. sound volume control device according to claim 6, it is characterised in that the signal generating unit includes：
First acquisition module, the volume of the current output audio frequency of the volume and the loudspeaker for obtaining the environmental noise；
First determining module, for determining that the loudspeaker exports the target volume of audio frequency by the volume of the environmental noise；
First generation module, described in being generated according to the volume of the target volume output audio frequency current with the loudspeaker
Volume control signal.
8. sound volume control device according to claim 7, it is characterised in that first determining module includes：
First calculating sub module, for the volume of environmental noise substitution preset function to be calculated, obtains described raising one's voice
Device exports the target volume of audio frequency；Or
Inquiry submodule, the corresponding loudspeaker output audio frequency of the volume for inquiring about the environmental noise from database
Target volume.
9. sound volume control device according to claim 6, it is characterised in that the signal generating unit includes：
Second acquisition module, for separated by a distance between acquisition and user；
3rd acquisition module, the volume of the current output audio frequency of the volume and the loudspeaker for obtaining the environmental noise；
Second determining module, for determining the loudspeaker output audio frequency according to the volume of the distance and the environmental noise
Target volume；
Second generation module, described in being generated according to the volume of the target volume output audio frequency current with the loudspeaker
Volume control signal.
10. sound volume control device according to claim 9, it is characterised in that second acquisition module includes：
Identification submodule, for identifying the sound that the user sends from the current environment audio frequency；
Second calculating sub module, the sound for being sent according to the user calculates separated by a distance between user.
11. a kind of playback equipments, it is characterised in that include：
Collector, for gathering current environment audio frequency；
Loudspeaker, for exporting audio frequency；
Processor, is connected respectively with the collector and the loudspeaker, requires described in 1 to 5 any one for perform claim
Method for controlling volume.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980714.2A CN106648527A (en) | 2016-11-08 | 2016-11-08 | Volume control method, device and playing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610980714.2A CN106648527A (en) | 2016-11-08 | 2016-11-08 | Volume control method, device and playing equipment |
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ID=58806431
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| CN201610980714.2A Pending CN106648527A (en) | 2016-11-08 | 2016-11-08 | Volume control method, device and playing equipment |
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