CN107506169A - volume adjusting method, device, terminal device and storage medium - Google Patents
volume adjusting method, device, terminal device and storage medium Download PDFInfo
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- CN107506169A CN107506169A CN201710711644.5A CN201710711644A CN107506169A CN 107506169 A CN107506169 A CN 107506169A CN 201710711644 A CN201710711644 A CN 201710711644A CN 107506169 A CN107506169 A CN 107506169A
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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
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
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Abstract
The embodiment of the invention discloses a kind of volume adjusting method, device, terminal device and storage medium, this method is included when detecting that terminal device carries out source of sound broadcasting, obtain the audio-frequency information of the source of sound, according to the first audio amplitude corresponding to audio-frequency information determination, determine the second audio amplitude, second audio amplitude includes audio amplitude corresponding to other audio-frequency informations in terminal device, amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude, first audio amplitude is adjusted according to the amplitude adjustment factor.This programme improves volume adjusting efficiency, reduces the power consumption of terminal device.
Description
Technical field
The present embodiments relate to computer technology, more particularly to a kind of volume adjusting method, device, terminal device and deposit
Storage media.
Background technology
With the raising of terminal device popularity, increasing user's using terminal equipment performs various work(
Can be to meet self-demand, such as using terminal equipment reads word, watches video, listen music, play game.When terminal device exists
During playing audio-video, the regulation existing defects to volume are, it is necessary to improve.
The content of the invention
The invention provides a kind of volume adjusting method, device, terminal device and storage medium, improves volume adjusting effect
Rate, reduce the power consumption of terminal device.
In a first aspect, the embodiments of the invention provide a kind of volume adjusting method, including：
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained；
According to the first audio amplitude corresponding to audio-frequency information determination；
The second audio amplitude is determined, second audio amplitude includes audio corresponding to other audio-frequency informations in terminal device
Amplitude；
Amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude, is adjusted according to the amplitude
First audio amplitude is adjusted section coefficient.
Second aspect, the embodiment of the present invention additionally provide a kind of volume adjustment device, including：
Acquisition module, for when detecting that terminal device carries out source of sound broadcasting, obtaining the audio-frequency information of the source of sound；
Amplitude determination module, for according to the second sound of the first audio amplitude and determination corresponding to audio-frequency information determination
Frequency vibration width, second audio amplitude include audio amplitude corresponding to other audio-frequency informations in terminal device；
Regulation coefficient determining module, for determining that amplitude is adjusted according to first audio amplitude and second audio amplitude
Save coefficient；
Adjustment module, for first audio amplitude to be adjusted according to the amplitude adjustment factor.
The third aspect, the embodiment of the present invention additionally provide a kind of terminal device, including：Processor, memory and storage
On a memory and the computer program that can run on a processor, realized such as during computer program described in the computing device
Volume adjusting method described in the embodiment of the present invention.
Fourth aspect, the embodiment of the present invention additionally provide a kind of storage medium for including terminal device executable instruction, institute
Terminal device executable instruction is stated as being adjusted during terminal device computing device for the volume described in performing the embodiment of the present invention
Section method.
Technical scheme provided in an embodiment of the present invention, when detecting that terminal device carries out source of sound broadcasting, obtain the sound
The audio-frequency information in source, according to the audio-frequency information determine corresponding to the first audio amplitude, determine the second audio amplitude, described second
Audio amplitude includes audio amplitude corresponding to other audio-frequency informations in terminal device, according to first audio amplitude and described the
Two audio amplitudes determine amplitude adjustment factor, and first audio amplitude is adjusted according to the amplitude adjustment factor.This
Scheme improves volume adjusting efficiency, reduces the power consumption of terminal device.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of flow chart of volume adjusting method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another volume adjusting method provided in an embodiment of the present invention；
Fig. 3 is the flow chart of another volume adjusting method provided in an embodiment of the present invention；
Fig. 4 is the flow chart of another volume adjusting method provided in an embodiment of the present invention；
Fig. 5 is the flow chart of another volume adjusting method provided in an embodiment of the present invention；
Fig. 6 is the flow chart of another volume adjusting method provided in an embodiment of the present invention；
Fig. 7 is a kind of structured flowchart of volume adjustment device provided in an embodiment of the present invention；
Fig. 8 is a kind of structural representation of terminal device provided in an embodiment of the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used to explain the present invention, rather than limitation of the invention.It also should be noted that for the ease of retouching
State, part related to the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
Fig. 1 is a kind of flow chart of volume adjusting method provided in an embodiment of the present invention, and the present embodiment was applicable to end
End equipment plays the volume situation about being adjusted during source of sound, this method can by terminal device provided in an embodiment of the present invention Lai
Perform, the volume adjustment device of the terminal device can be realized by the way of software and/or hardware, as shown in figure 1, the present embodiment
The concrete scheme of offer is as follows：
Step S101, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Terminal device can carry out source of sound by the audio and video playing software that the third party application or system of installation carry
Broadcasting.Wherein, the steps such as acquisition, decoding and output of audio files are mainly included.Exemplary, the audio files got
It can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored；Get the sound
It is loaded into after source file in core buffer；The audio files for being loaded into core buffer are decoded, opened in decoding
Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, it will divide
Voice data from after is inputted to audio decoder, wherein, audio decoder is mainly used in reading the audio in core buffer
Data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, the broadcasting device of terminal device
Audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event and being triggered, really
Determine terminal device and commence play out source of sound, wherein, the trigger event can be the broadcast button quilt shown in the touch-screen detected
Press, can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determine that terminal device carries out sound
Source plays.
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.In one embodiment,
The digital audio and video signals that can decode to obtain to audio decoder are sampled, and determine audio-frequency information corresponding to the source of sound.Another
In embodiment, the original document of currently playing source of sound can also be obtained, source of sound pair is determined by the parsing to the original document
The audio-frequency information answered.In another embodiment, by taking android system as an example, can pass through
Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio-frequency information of source of sound.
Step S102, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and source of sound of the sound that human ear is heard
Amplitude it is related, amplitude is bigger, and loudness is stronger.In one embodiment, the audio-frequency information of acquisition can be entered by audio decoder
It is sampled after the digital audio and video signals that row decoding obtains, to obtain the amplitude information in preset time period T, wherein, the amplitude
Information can be made up of multiple amplitudes, can determine to play in preset time period T accordingly according to obtained multiple amplitudes
Source of sound amplitude curve, that is, determine with audio-frequency information corresponding to the first audio amplitude.In another embodiment, with
Exemplified by android system, can by android.media.MediaRecorder classes or
Android.media.AudioRecord classes carry out amplitude extraction to the audio-frequency information of acquisition, obtain corresponding first audio and shake
Width.In another embodiment, can be by original when the audio-frequency information that step S101 is got is original document corresponding to source of sound
Beginning file is parsed to obtain corresponding first audio amplitude.
In one embodiment, when detecting source of sound and playing, determined one time the every preset time (such as 1s, 3s or 10s)
One audio amplitude, or in real time, the amplitude of each frame of audio-frequency information is determined to obtain the first audio amplitude.Specifically
, the audio-frequency information for obtaining the source of sound includes：Obtain the audio frame information of the source of sound；Accordingly, according to the sound
First audio amplitude corresponding to the determination of frequency information includes：Shaking for each frame in audio-frequency information is determined according to the audio frame information
Width.Exemplary, when detecting that source of sound plays, audio files are parsed to obtain audio frame sequence, according to audio frame sequence
First audio amplitude corresponding to each frame determination of row.
Wherein, the second audio amplitude of the determination includes audio amplitude corresponding to other audio-frequency informations in terminal device.
In one possible embodiment, the second audio amplitude of the determination includes：The second source of sound for preparing to play in terminal device is obtained,
According to the second audio amplitude corresponding to second source of sound determination.Exemplary, currently playing source of sound is video 1, by right
Its audio-frequency information analyzed to obtain corresponding to the first audio amplitude, after video 1 terminal device play for video 2, should
Video 2 is other sources of sound in addition to video 1, and accordingly, audio amplitude corresponding to the video 2 determined is that the second audio is shaken
Width.Wherein, the determination mode of second audio amplitude can obtain the audio-frequency information of video 2, and the audio-frequency information is solved
Analysis obtains corresponding second audio amplitude.
In a possible embodiment, there is provided another kind determines the mode of the second audio amplitude, optionally, described
Before determining the second audio amplitude, in addition to：The audio amplitude of source of sound to being played in terminal device records, and generates source of sound
Amplitude record sheet；The second audio amplitude of the determination includes：The second audio amplitude is determined according to the source of sound amplitude record sheet.Show
Example property, when terminal device carries out source of sound broadcasting, the source of sound amplitude of the source of sound is recorded at any time, generates source of sound amplitude record sheet,
When it needs to be determined that during the second audio amplitude, the nearest one article of source of sound amplitude recorded in the source of sound amplitude record sheet can be defined as to
Two audio amplitudes.
Step S103, amplitude adjustment factor, foundation are determined according to first audio amplitude and second audio amplitude
First audio amplitude is adjusted the amplitude adjustment factor.
In one embodiment, the size according to the first audio amplitude and the second audio amplitude determine amplitude adjustment factor with
First audio amplitude is adjusted.Exemplary, when the first audio amplitude is smaller, and the second audio amplitude is larger, accordingly
The audio amplitude of raising first size, when the first audio amplitude is larger, and the second audio amplitude is smaller, reduce by accordingly
The size of one audio amplitude.Specifically, the first audio amplitude and the second audio amplitude determined can be respective audio-frequency informations
Mean amplitude of tide, can also be peak amplitude, it is exemplary, it is assumed that the size a for the first audio amplitude determined, the second audio
Amplitude size is 2a, then accordingly, the amplitude adjustment factor determined according to the size of the first audio amplitude and the second audio amplitude
For 0.5, i.e., the first audio amplitude is adjusted to the half of original amplitude.Thus achieve when terminal device is playing difference
Source of sound when so that broadcast sound volume is consistent, and avoids the suddenly big or suddenly small phenomenon of sound caused by source of sound switching, meanwhile, keep away
Exempt from the manual regulation of user, improve volume adjusting efficiency.
In a possible embodiment, the process being adjusted to the first audio amplitude by amplitude adjustment factor can be with
It is：By being parsed to the audio files of correlation, the data of the sign amplitude information in obtained audio-frequency information are repaiied
Change, be packaged again after modification, the first audio amplitude is corresponding when being buffered to corresponding audio files and being played
It is increased or decreased；It is also possible that in the decoding process that source of sound plays, pass through the numeral for being decoded to obtain to audio-frequency information
Audio signal is analyzed to obtain the first audio amplitude, and amplitude data corresponding to first audio amplitude is multiplied by into corresponding amplitude
The volume of source of sound is adjusted with changing amplitude size for adjustment factor.Hereby it is achieved that terminal device system is not changed
The size of source of sound volume is adjusted on the premise of original volume, regulation process can be introduced into buffering area in audio files
Before, load or be adjusted for the source of sound content in buffering area to improve regulation efficiency to reduce to play.
Fig. 2 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, described in the foundation
First audio amplitude and second audio amplitude determine that amplitude adjustment factor includes：According to first audio amplitude and described
The mean amplitude of tide difference of second audio amplitude determines amplitude adjustment factor.As shown in Fig. 2 the technical scheme that the present embodiment provides is specific
It is as follows：
Step S201, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S202, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Step S203, determine that amplitude is adjusted according to the mean amplitude of tide of first audio amplitude and second audio amplitude difference
Coefficient is saved, first audio amplitude is adjusted according to the amplitude adjustment factor.
Exemplary, the first audio amplitude and the second audio amplitude of preset length are obtained respectively, determine that the first audio is shaken
The mean amplitude of tide of width is b, and the mean amplitude of tide for determining the second audio amplitude is c, is b and mean amplitude of tide by mean amplitude of tide accordingly
It is (b-c)/b for the c amplitude adjustment factors for determining to obtain, the size of the first audio amplitude is adjusted according to the peak factor
It is whole.Thus achieve the source of sound played before the volume and terminal device of currently playing source of sound or prepare the sound played afterwards
The volume in source is consistent.
In another embodiment, it can also be and the first audio amplitude be adjusted the mistake of determination amplitude adjustment factor
The mean amplitude of tide of Cheng Zhong, establishing criteria mean amplitude of tide and the first audio amplitude currently determined determines amplitude adjustment factor, example
Property, the Standard Average Amplitude can be -15db to -20db.
Fig. 3 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, described in the foundation
Amplitude adjustment factor first audio amplitude is adjusted including：The amplitude curve of first audio amplitude is determined, according to
According to amplitude adjustment factor corresponding to the various amplitude section distribution of the amplitude curve；Amplitude adjustment factor according to the distribution
Row amplitude regulation is entered to the various amplitude section of first audio amplitude.As shown in Figure 3：
Step S301, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S302, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Step S303, determine that amplitude is adjusted according to the mean amplitude of tide of first audio amplitude and second audio amplitude difference
Save coefficient.
Exemplary, the amplitude adjustment factor determined includes at least three, be respectively used to short arc curved portion,
Middle amplitude curve part and high amplitude curved portion enter row amplitude regulation.
Step S304, the amplitude curve of first audio amplitude is determined, the various amplitude area according to the amplitude curve
Between amplitude adjustment factor corresponding to distribution, the amplitude adjustment factor according to the distribution shakes to the difference of first audio amplitude
Row amplitude regulation is entered in width section.
Exemplary, the peak factor determined in step S303 is 1,1.5 and 2, accordingly, various amplitude curve section
The relations of distribution of corresponding amplitude adjustment factor are as shown in the table：
Table 1
| Amplitude | Regulation coefficient |
| More than -3db or less than -50db | 1 |
| It is more than -50db less than -10db | 2 |
| It is more than -10db less than -3db | 1.5 |
As shown in table 1, when amplitude is more than -3db or less than -50db, its gain is not adjusted；When amplitude be less than-
When 3db is more than -10db, amplitude is high amplitude area, is that its distribution gain coefficient is 1.5, when amplitude is more than -50db less than -10db
When, be middle amplitude area, be its to distribute peak factor be 2 to significantly improve the amplitude size of the fractional amplitude.
From the foregoing, by the way that different audio amplitude sizes are distributed with different amplitude adjustment factors, distorsion is avoided
Meanwhile the amplitude lift to noise is reduced, on this basis, further it is adjusted the subdivision of coefficient so that source of sound is broadcast
Sound size reasonable during putting, sense of hearing are smooth.
Fig. 4 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, described according to institute
State before first audio amplitude is adjusted amplitude adjustment factor, in addition to：Determine the current volume letter of terminal device
Breath, is modified according to the information volume to the amplitude adjustment factor, according to revised amplitude adjustment factor to described
First audio amplitude is adjusted.As shown in figure 4, the technical scheme that the present embodiment provides is specific as follows：
Step S401, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S402, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Step S403, amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude.
Step S404, the current information volume of terminal device is determined, system is adjusted to the amplitude according to the information volume
Number is modified, and first audio amplitude is adjusted according to revised amplitude adjustment factor.
In one embodiment, the information volume of the acquisition can be the current volume value information of terminal device, volume increasing
Add the one or more in information and volume reduction information.
Exemplary, terminal device is always divided into 18 grade-adjustables, each grade corresponding one to max volume by Jing Yin
Individual volume value, when terminal device plays source of sound, can be by the get volume methods of the volume management assembly of system
The current volume value of system；When user carries out volume increase or reduced to adjust by the regulation button or touch-screen of terminal device
When, the corresponding volume for determining present terminal equipment is increase or reduction.In one embodiment, according to current volume value
The correction factor of the amplitude adjustment factor of determination is as shown in the table：
Table 2
| Volume value | Correction factor |
| 5 | 0.5 |
| 10 | 1.5 |
| 15 | 2 |
In another embodiment, reduce information according to current volume increase information or volume to enter amplitude adjustment factor
The contrast relationship of row amendment is as shown in the table：
Table 3
| Volume value | Correction factor |
| Increase | 1.5 |
| Reduce | 0.8 |
In another embodiment, it can also increase information according to volume or volume reduces the volume of information combination present terminal
Value is common to determine that amplitude adjustment factor adjusts to be realized to audio amplitude.In the embodiment above, the correction factor can be multiplied by
The amplitude adjustment factor that step S403 is determined obtains revised amplitude adjustment factor.
Fig. 5 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, described according to institute
State before first audio amplitude is adjusted amplitude adjustment factor, in addition to：Determine that terminal device plays the resistance of device
Anti- value, the amplitude adjustment factor is modified according to the impedance value, according to revised amplitude adjustment factor to described
First audio amplitude is adjusted.As shown in figure 5, the technical scheme that the present embodiment provides is specific as follows：
Step S501, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S502, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Step S503, amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude.
Step S504, determine that terminal device plays the impedance value of device, system is adjusted to the amplitude according to the impedance value
Number is modified, and first audio amplitude is adjusted according to revised amplitude adjustment factor.
In one embodiment, can be by the broadcasting device installed in power amplifier chips detection terminal equipment (such as：Loudspeaker)
Impedance value, can also be by physics mode detect play device impedance.Exemplary, the impedance value is bigger corresponding right
The amendment of amplitude adjustment factor is bigger.Specifically, the nominal impedance value for assuming to play device is x, by detecting obtained impedance
It is worth for 1.2x, then accordingly on the basis of the amplitude adjustment factor determined, the amplitude adjustment factor is multiplied by 1.2 as repairing
Amplitude adjustment factor after just.
From the foregoing, during the amplitude of source of sound is adjusted, the impedance value for playing device is introduced as determination
One of parameter of amplitude adjustment factor, avoid and play device with the increase impedance value more and more higher of playing duration and then to normal
The problem of volume in playing process has an impact so that the volume after regulation more preferably meets user's request, enters one
Step improves volume adjusting effect.
Fig. 6 is the flow chart of another volume adjusting method provided in an embodiment of the present invention, optionally, described according to institute
State before first audio amplitude is adjusted amplitude adjustment factor, in addition to：Determine making an uproar for terminal device local environment
Sound value, the amplitude adjustment factor is modified according to the noise figure, according to revised amplitude adjustment factor to described
First audio amplitude is adjusted.As shown in fig. 6, the technical scheme that the present embodiment provides is specific as follows：
Step S601, when detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.
Step S602, according to the first audio amplitude corresponding to audio-frequency information determination, and the second audio amplitude is determined.
Step S603, amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude.
Step S604, the noise figure of terminal device local environment is determined, system is adjusted to the amplitude according to the noise figure
Number is modified, and first audio amplitude is adjusted according to revised amplitude adjustment factor.
In one embodiment, the noise of environment can be presently in by the collection of the microphone of installing terminal equipment to determine
Corresponding noise figure.Exemplary, the noise figure is bigger, and the corresponding amendment to amplitude adjustment factor is bigger.Specifically, assume
Noise figure of the terminal device under quiet environment is y, when terminal device is in outdoor or noisy environment, it is determined that noise figure be
1.5y, then accordingly on the basis of the amplitude adjustment factor determined, after the amplitude adjustment factor is multiplied by into 1.5 as amendment
Amplitude adjustment factor.It should be noted that also impedance value, noise figure can be corrected amplitude adjustment factor jointly.
From the foregoing, during the amplitude of source of sound is adjusted, it is contemplated that shadow of the noise to terminal device volume
Ring, using the noise figure of determination as one of parameter for determining amplitude adjustment factor so that the volume after regulation more conforms to
User's request, further increase volume adjusting effect.
Fig. 7 is a kind of structured flowchart of volume adjustment device provided in an embodiment of the present invention, and the device is above-mentioned for performing
The volume adjusting method that embodiment provides, possesses the corresponding functional module of execution method and beneficial effect.As shown in fig. 7, the dress
Put and specifically include：Acquisition module 101, amplitude determination module 102, regulation coefficient determining module 103 and adjustment module 104.
Wherein, acquisition module 101, for when detecting that terminal device carries out source of sound broadcasting, obtaining the sound of the source of sound
Frequency information.
Terminal device can carry out source of sound by the audio and video playing software that the third party application or system of installation carry
Broadcasting.Wherein, the steps such as acquisition, decoding and output of audio files are mainly included.Exemplary, the audio files got
It can be the multicast data flow received by network, can also be the audio-video document that terminal device is locally stored；Get the sound
It is loaded into after source file in core buffer；The audio files for being loaded into core buffer are decoded, opened in decoding
Before beginning, if the audio files include video data, it is necessary to carry out the separation of voice data and video data simultaneously, it will divide
Voice data from after is inputted to audio decoder, wherein, audio decoder is mainly used in reading the audio in core buffer
Data, digital audio and video signals are obtained, and the digital audio and video signals are converted into simulated audio signal, the broadcasting device of terminal device
Audio broadcasting is carried out according to the simulated audio signal.In one embodiment, when listening to source of sound broadcast event and being triggered, really
Determine terminal device and commence play out source of sound, wherein, the trigger event can be the broadcast button quilt shown in the touch-screen detected
Press, can also be when detecting the broadcasting device of terminal device for example loudspeaker commencing play out sound, determine that terminal device carries out sound
Source plays.
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained.In one embodiment,
The digital audio and video signals that can decode to obtain to audio decoder are sampled, and determine audio-frequency information corresponding to the source of sound.Another
In embodiment, the original document of currently playing source of sound can also be obtained, source of sound pair is determined by the parsing to the original document
The audio-frequency information answered.In another embodiment, by taking android system as an example, can pass through
Android.media.MediaRecorder classes or android.media.AudioRecord classes obtain the audio-frequency information of source of sound.
Amplitude determination module 102, for the first audio amplitude corresponding to being determined according to the audio-frequency information and determine the
Two audio amplitudes, second audio amplitude include audio amplitude corresponding to other audio-frequency informations in terminal device.
Amplitude refers to the ultimate range of deviation origin-location during object vibrations, the loudness and source of sound of the sound that human ear is heard
Amplitude it is related, amplitude is bigger, and loudness is stronger.In one embodiment, the audio-frequency information of acquisition can be entered by audio decoder
It is sampled after the digital audio and video signals that row decoding obtains, to obtain the amplitude information in preset time period T, wherein, the amplitude
Information can be made up of multiple amplitudes, can determine to play in preset time period T accordingly according to obtained multiple amplitudes
Source of sound amplitude curve, that is, determine with audio-frequency information corresponding to the first audio amplitude.In another embodiment, with
Exemplified by android system, can by android.media.MediaRecorder classes or
Android.media.AudioRecord classes carry out amplitude extraction to the audio-frequency information of acquisition, obtain corresponding first audio and shake
Width.In another embodiment, can be by original when the audio-frequency information that step S101 is got is original document corresponding to source of sound
Beginning file is parsed to obtain corresponding first audio amplitude.
In one embodiment, when detecting source of sound and playing, determined one time the every preset time (such as 1s, 3s or 10s)
One audio amplitude, or in real time, the amplitude of each frame of audio-frequency information is determined to obtain the first audio amplitude.Specifically
, the audio-frequency information for obtaining the source of sound includes：Obtain the audio frame information of the source of sound；Accordingly, according to the sound
First audio amplitude corresponding to the determination of frequency information includes：Shaking for each frame in audio-frequency information is determined according to the audio frame information
Width.Exemplary, when detecting that source of sound plays, audio files are parsed to obtain audio frame sequence, according to audio frame sequence
First audio amplitude corresponding to each frame determination of row.
Wherein, the second audio amplitude of the determination includes audio amplitude corresponding to other audio-frequency informations in terminal device.
In one possible embodiment, the second audio amplitude of the determination includes：The second source of sound for preparing to play in terminal device is obtained,
According to the second audio amplitude corresponding to second source of sound determination.Exemplary, currently playing source of sound is video 1, by right
Its audio-frequency information analyzed to obtain corresponding to the first audio amplitude, after video 1 terminal device play for video 2, should
Video 2 is other sources of sound in addition to video 1, and accordingly, audio amplitude corresponding to the video 2 determined is that the second audio is shaken
Width.Wherein, the determination mode of second audio amplitude can obtain the audio-frequency information of video 2, and the audio-frequency information is solved
Analysis obtains corresponding second audio amplitude.
In a possible embodiment, there is provided another kind determines the mode of the second audio amplitude, optionally, described
Before determining the second audio amplitude, in addition to：The audio amplitude of source of sound to being played in terminal device records, and generates source of sound
Amplitude record sheet；The second audio amplitude of the determination includes：The second audio amplitude is determined according to the source of sound amplitude record sheet.Show
Example property, when terminal device carries out source of sound broadcasting, the source of sound amplitude of the source of sound is recorded at any time, generates source of sound amplitude record sheet,
When it needs to be determined that during the second audio amplitude, the nearest one article of source of sound amplitude recorded in the source of sound amplitude record sheet can be defined as to
Two audio amplitudes.
Regulation coefficient determining module 103, for determining to shake according to first audio amplitude and second audio amplitude
Width adjustment factor.
In one embodiment, the size according to the first audio amplitude and the second audio amplitude determine amplitude adjustment factor with
First audio amplitude is adjusted.Exemplary, when the first audio amplitude is smaller, and the second audio amplitude is larger, accordingly
The audio amplitude of raising first size, when the first audio amplitude is larger, and the second audio amplitude is smaller, reduce by accordingly
The size of one audio amplitude.Specifically, the first audio amplitude and the second audio amplitude determined can be respective audio-frequency informations
Mean amplitude of tide, can also be peak amplitude, it is exemplary, it is assumed that the size a for the first audio amplitude determined, the second audio
Amplitude size is 2a, then accordingly, the amplitude adjustment factor determined according to the size of the first audio amplitude and the second audio amplitude
For 0.5, i.e., the first audio amplitude is adjusted to the half of original amplitude.Thus achieve when terminal device is playing difference
Source of sound when so that broadcast sound volume is consistent, and avoids the suddenly big or suddenly small phenomenon of sound caused by source of sound switching, meanwhile, keep away
Exempt from the manual regulation of user, improve volume adjusting efficiency.
Adjustment module 104, for first audio amplitude to be adjusted according to the amplitude adjustment factor.
In a possible embodiment, the process being adjusted to the first audio amplitude by amplitude adjustment factor can be with
It is：By being parsed to the audio files of correlation, the data of the sign amplitude information in obtained audio-frequency information are repaiied
Change, be packaged again after modification, the first audio amplitude is corresponding when being buffered to corresponding audio files and being played
It is increased or decreased；It is also possible that in the decoding process that source of sound plays, pass through the numeral for being decoded to obtain to audio-frequency information
Audio signal is analyzed to obtain the first audio amplitude, and amplitude data corresponding to first audio amplitude is multiplied by into corresponding amplitude
The volume of source of sound is adjusted with changing amplitude size for adjustment factor.Hereby it is achieved that terminal device system is not changed
The size of source of sound volume is adjusted on the premise of original volume, regulation process can be introduced into buffering area in audio files
Before, load or be adjusted for the source of sound content in buffering area to improve regulation efficiency to reduce to play.
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained, is believed according to the audio
First audio amplitude corresponding to breath determination, determines the second audio amplitude, and second audio amplitude includes other in terminal device
Audio amplitude corresponding to audio-frequency information, amplitude regulation system is determined according to first audio amplitude and second audio amplitude
Number, first audio amplitude is adjusted according to the amplitude adjustment factor.This programme improves volume adjusting efficiency, drop
The low power consumption of terminal device.
In a possible embodiment, the amplitude determination module 102 is specifically used for：
The second source of sound for preparing to play in terminal device is obtained, is shaken according to the second audio corresponding to second source of sound determination
Width.
In a possible embodiment, the amplitude determination module 102 is specifically used for：
Before the second audio amplitude of the determination, the audio amplitude of the source of sound to being played in terminal device records,
Generate source of sound amplitude record sheet；
The second audio amplitude is determined according to the source of sound amplitude record sheet.
In a possible embodiment, the regulation coefficient determining module 103 is specifically used for：
Amplitude adjustment factor is determined according to the mean amplitude of tide of first audio amplitude and second audio amplitude difference.
In a possible embodiment, the adjustment module 104 is specifically used for：
The amplitude curve of first audio amplitude is determined, the various amplitude section according to the amplitude curve is distributed corresponding
Amplitude adjustment factor；
Amplitude adjustment factor according to the distribution enters row amplitude tune to the various amplitude section of first audio amplitude
Section.
In a possible embodiment, the regulation coefficient determining module 103 is additionally operable to：
It is described first audio amplitude is adjusted according to the amplitude adjustment factor before, determine terminal device
Current information volume, the amplitude adjustment factor is modified according to the information volume, adjusted according to revised amplitude
First audio amplitude is adjusted section coefficient.
In a possible embodiment, the regulation coefficient determining module 103 is additionally operable to：
It is described first audio amplitude is adjusted according to the amplitude adjustment factor before, determine terminal device
The impedance value of device or the noise figure of local environment are played, system is adjusted to the amplitude according to the impedance value or the noise figure
Number is modified, and first audio amplitude is adjusted according to revised amplitude adjustment factor.
The present embodiment provides a kind of terminal device on the basis of the various embodiments described above, and Fig. 8 is that the embodiment of the present invention carries
The structural representation of a kind of terminal device supplied, as shown in figure 8, the terminal device 200 includes：Memory 201, processor
(Central Processing Unit, CPU) 202, Peripheral Interface 203, RF (Radio Frequency, radio frequency) circuit 205,
Voicefrequency circuit 206, loudspeaker 211, power management chip 208, input/output (I/O) subsystem 209, touch-screen 212, other
Input/control devices 210 and outside port 204, these parts are led to by one or more communication bus or signal wire 207
Letter.
It should be understood that graphic terminal 200 is only an example of terminal device, and terminal device 200
Can have than more or less parts shown in figure, can combine two or more parts, or can be with
Configured with different parts.Various parts shown in figure can be including one or more signal transactings and/or special
Hardware, software including integrated circuit are realized in the combination of hardware and software.
The terminal device for being used to open the rights management of application more that the present embodiment provides is described in detail below, should
Terminal device is by taking smart mobile phone as an example.
Memory 201, the memory 201 can be accessed by CPU202, Peripheral Interface 203 etc., and the memory 201 can
Including high-speed random access memory, can also include nonvolatile memory, such as one or more disk memories,
Flush memory device or other volatile solid-state parts.
The input of equipment and output peripheral hardware can be connected to CPU202 and deposited by Peripheral Interface 203, the Peripheral Interface 203
Reservoir 201.
I/O subsystems 209, the I/O subsystems 209 can be by the input/output peripherals in equipment, such as touch-screen 212
With other input/control devicess 210, Peripheral Interface 203 is connected to.I/O subsystems 209 can include the He of display controller 2091
For controlling one or more input controllers 2092 of other input/control devicess 210.Wherein, one or more input controls
Device 2092 processed receives electric signal from other input/control devicess 210 or sends electric signal to other input/control devicess 210,
Other input/control devicess 210 can include physical button (pressing button, rocker buttons etc.), dial, slide switch, behaviour
Vertical pole, click on roller.What deserves to be explained is input controller 2092 can with it is following any one be connected：Keyboard, infrared port,
The instruction equipment of USB interface and such as mouse.
Touch-screen 212, the touch-screen 212 are the input interface and output interface between user terminal and user, can
It can include figure, text, icon, video etc. to user, visual output depending on output display.
Display controller 2091 in I/O subsystems 209 receives electric signal from touch-screen 212 or sent out to touch-screen 212
Electric signals.Touch-screen 212 detects the contact on touch-screen, and the contact detected is converted to and shown by display controller 2091
The interaction of user interface object on touch-screen 212, that is, realize man-machine interaction, the user interface being shown on touch-screen 212
Icon that object can be the icon of running game, be networked to corresponding network etc..What deserves to be explained is equipment can also include light
Mouse, light mouse is not show the touch sensitive surface visually exported, or the extension of the touch sensitive surface formed by touch-screen.
RF circuits 205, it is mainly used in establishing the communication of mobile phone and wireless network (i.e. network side), realizes mobile phone and wireless network
The data receiver of network and transmission.Such as transmitting-receiving short message, Email etc..Specifically, RF circuits 205 receive and send RF letters
Number, RF signals are also referred to as electromagnetic signal, and RF circuits 205 convert electrical signals to electromagnetic signal or electromagnetic signal is converted into telecommunications
Number, and communicated by the electromagnetic signal with communication network and other equipment.RF circuits 205 can include being used to perform
The known circuit of these functions, it includes but is not limited to antenna system, RF transceivers, one or more amplifiers, tuner, one
Individual or multiple oscillators, digital signal processor, CODEC (COder-DECoder, coder) chipset, user identify mould
Block (Subscriber Identity Module, SIM) etc..
Voicefrequency circuit 206, it is mainly used in receiving voice data from Peripheral Interface 203, the voice data is converted into telecommunications
Number, and the electric signal is sent to loudspeaker 211.
Loudspeaker 211, for the voice signal for receiving mobile phone from wireless network by RF circuits 205, it is reduced to sound
And play the sound to user.
Power management chip 208, the hardware for being connected by CPU202, I/O subsystem and Peripheral Interface are powered
And power management.
The executable present invention of the volume adjustment device and terminal device of the terminal device provided in above-described embodiment is any real
The volume adjusting method for the terminal device that example is provided is applied, possesses and performs the corresponding functional module of this method and beneficial effect.Not
The ins and outs of detailed description in the above-described embodiments, reference can be made to the volume for the terminal device that any embodiment of the present invention is provided
Adjusting method.
The embodiment of the present invention also provides a kind of storage medium for including terminal device executable instruction, and the terminal device can
Execute instruction is used to perform a kind of volume adjusting method when by terminal device computing device, and this method includes：
When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained；
According to the first audio amplitude corresponding to audio-frequency information determination；
The second audio amplitude is determined, second audio amplitude includes audio corresponding to other audio-frequency informations in terminal device
Amplitude；
Amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude, is adjusted according to the amplitude
First audio amplitude is adjusted section coefficient.
In a possible embodiment, the second audio amplitude of the determination includes：
The second source of sound for preparing to play in terminal device is obtained, is shaken according to the second audio corresponding to second source of sound determination
Width.
In a possible embodiment, before the second audio amplitude of the determination, in addition to：
The audio amplitude of source of sound to being played in terminal device records, and generates source of sound amplitude record sheet；
The second audio amplitude of the determination includes：
The second audio amplitude is determined according to the source of sound amplitude record sheet.
In a possible embodiment, it is described to determine to shake according to first audio amplitude and second audio amplitude
Width adjustment factor includes：
Amplitude adjustment factor is determined according to the mean amplitude of tide of first audio amplitude and second audio amplitude difference.
In a possible embodiment, it is described that first audio amplitude is adjusted according to the amplitude adjustment factor
Section includes：
The amplitude curve of first audio amplitude is determined, the various amplitude section according to the amplitude curve is distributed corresponding
Amplitude adjustment factor；
Amplitude adjustment factor according to the distribution enters row amplitude tune to the various amplitude section of first audio amplitude
Section.
In a possible embodiment, first audio amplitude is carried out according to the amplitude adjustment factor described
Before regulation, in addition to：
Determine that the current volume value of terminal device determines the current information volume of terminal device, according to the volume value to according to
The amplitude adjustment factor is modified according to the information volume, according to revised amplitude adjustment factor to first sound
Frequency vibration width is adjusted.
In a possible embodiment, first audio amplitude is carried out according to the amplitude adjustment factor described
Before regulation, in addition to：
Determine that terminal device plays the impedance value of device or the noise figure of local environment, according to the impedance value or described make an uproar
Sound value is modified to the amplitude adjustment factor, and first audio amplitude is carried out according to revised amplitude adjustment factor
Regulation.
Storage medium --- any various types of memory devices or storage device.Term " storage medium " is intended to wrap
Include：Install medium, such as CD-ROM, floppy disk or magnetic tape equipment；Computer system memory or random access memory, such as
DRAM, DDR RAM, SRAM, EDO RAM, blue Bath (Rambus) RAM etc.；Nonvolatile memory, such as flash memory, magnetizing mediums
(such as hard disk or optical storage)；Memory component of register or other similar types etc..Storage medium can also include other
The memory of type or its combination.In addition, storage medium can be located at program in the first computer system being wherein performed,
Or can be located in different second computer systems, second computer system is connected to the by network (such as internet)
One computer system.Second computer system can provide programmed instruction and be used to perform to the first computer." storage is situated between term
Matter " can include may reside within diverse location two of (such as in different computer systems by network connection) or
More storage mediums.Storage medium can store the programmed instruction that can be performed by one or more processors and (such as implement
For computer program).
Certainly, a kind of storage medium for including computer executable instructions that the embodiment of the present invention is provided, its computer
The volume adjusting method operation that executable instruction is not limited to the described above, can also carry out what any embodiment of the present invention was provided
Associative operation in volume adjusting method.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
- A kind of 1. volume adjusting method, it is characterised in that including：When detecting that terminal device carries out source of sound broadcasting, the audio-frequency information of the source of sound is obtained；According to the first audio amplitude corresponding to audio-frequency information determination；The second audio amplitude is determined, second audio amplitude includes audio corresponding to other audio-frequency informations in terminal device and shaken Width；Amplitude adjustment factor is determined according to first audio amplitude and second audio amplitude, system is adjusted according to the amplitude It is several that first audio amplitude is adjusted.
- 2. according to the method for claim 1, it is characterised in that the second audio amplitude of the determination includes：The second source of sound for preparing to play in terminal device is obtained, according to the second audio amplitude corresponding to second source of sound determination.
- 3. according to the method for claim 1, it is characterised in that before the second audio amplitude of the determination, in addition to：The audio amplitude of source of sound to being played in terminal device records, and generates source of sound amplitude record sheet；The second audio amplitude of the determination includes：The second audio amplitude is determined according to the source of sound amplitude record sheet.
- 4. according to the method in claim 2 or 3, it is characterised in that described according to first audio amplitude and described Two audio amplitudes determine that amplitude adjustment factor includes：Amplitude adjustment factor is determined according to the mean amplitude of tide of first audio amplitude and second audio amplitude difference.
- 5. according to the method for claim 4, it is characterised in that it is described according to the amplitude adjustment factor to first sound Frequency vibration width be adjusted including：The amplitude curve of first audio amplitude is determined, is shaken according to corresponding to the various amplitude section distribution of the amplitude curve Width adjustment factor；Amplitude adjustment factor according to the distribution enters row amplitude regulation to the various amplitude section of first audio amplitude.
- 6. according to the method for claim 5, it is characterised in that it is described according to the amplitude adjustment factor to described first Before audio amplitude is adjusted, in addition to：The current information volume of terminal device is determined, the amplitude adjustment factor is modified according to the information volume, according to First audio amplitude is adjusted according to revised amplitude adjustment factor.
- 7. according to the method for claim 5, it is characterised in that it is described according to the amplitude adjustment factor to described first Before audio amplitude is adjusted, in addition to：Determine that terminal device plays the impedance value of device or the noise figure of local environment, according to the impedance value or the noise figure The amplitude adjustment factor is modified, first audio amplitude adjusted according to revised amplitude adjustment factor Section.
- A kind of 8. volume adjustment device, it is characterised in that including：Acquisition module, for when detecting that terminal device carries out source of sound broadcasting, obtaining the audio-frequency information of the source of sound；Amplitude determination module, for being shaken according to the first audio amplitude corresponding to audio-frequency information determination and the second audio of determination Width, second audio amplitude include audio amplitude corresponding to other audio-frequency informations in terminal device；Regulation coefficient determining module, for determining amplitude regulation system according to first audio amplitude and second audio amplitude Number；Adjustment module, for first audio amplitude to be adjusted according to the amplitude adjustment factor.
- 9. a kind of terminal device, including：Processor, memory and storage are on a memory and the meter that can run on a processor Calculation machine program, it is characterised in that realized described in the computing device during computer program such as any one of claim 1-7 institutes The volume adjusting method stated.
- A kind of 10. storage medium for including terminal device executable instruction, it is characterised in that the terminal device executable instruction As volume adjusting method during terminal device computing device for execution as any one of claim 1-7.
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| CN201710711644.5A CN107506169A (en) | 2017-08-18 | 2017-08-18 | volume adjusting method, device, terminal device and storage medium |
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| CN201710711644.5A CN107506169A (en) | 2017-08-18 | 2017-08-18 | volume adjusting method, device, terminal device and storage medium |
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Application publication date: 20171222 |