CN104135705A - Method and system for automatically adjusting multimedia volume according to different scene modes - Google Patents
Method and system for automatically adjusting multimedia volume according to different scene modes Download PDFInfo
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Abstract
The invention discloses a method and system for automatically adjusting multimedia volume according to different scene modes. The method comprises the following steps: presetting suitable sound volume ranges corresponding to different scene modes on electronic equipment; periodically detecting noise environment around the electronic equipment, judging the belonged scene mode according to the detected around noise environment; automatically adjusting the current playing volume of the electronic equipment to the suitable sound volume range corresponding to the currently belonged scene mode according to the judged scene mode. By adopting the method and system disclosed by the invention, the electronic equipment is provided with a new function of automatically adjusting proper volume according to around noise environment, the volume of sound files such as music, video and the like in a playlist can be automatically modified according to different scene modes and use demands; the auditory feeling of the user is improved, the convenience is provided for the user, and the security is improved.
Description
Technical field
The present invention relates to consumer electronics field, relate in particular to a kind of method and system of automatically adjusting multimedia volume according to different scene modes.
Background technology
Universal along with multifunction electronic products such as mobile phones, listoning music, watches multimedia video etc. to become the important amusement of present people, especially year the lighters, loosens one of mode.But the mode, the source that obtain these multimedia files due to people are different.Its volume effect also has very large difference.As, there are ten songs the music playlist the inside of current device, and in the time that device voice volume is adjusted to a certain value, the ten song volume effects of hearing may fall far short.Certain first song sounds that sound is very large, and other one first song possibility volume is very little, brings user's the non-constant of experience.
But existing electronic equipment does not have the function of the suitable volume of automatic adjusting, the volume difference when audio files such as music or video of downloading in user mobile phone or storing is play, even differs greatly.Affect user's auditory perception.If go manual adjustment device volume according to the auditory perception of every first song, it is a very thing for trouble.Especially when user is in the time driving or take public transport etc. and be inconvenient to operate.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of method and system of automatically adjusting multimedia volume according to different scene modes.A kind of method of adjusting multimedia volume according to different scene mode self adaptations is provided, and it makes electronic equipment possess the function of the suitable volume of automatic adjusting, provides users with the convenient, and has improved fail safe.
The technical scheme that technical solution problem of the present invention adopts is as follows:
Automatically a method of adjusting multimedia volume according to different scene modes, comprising:
A, on electronic equipment, be arranged under different scene modes corresponding suitable wave volume scope in advance;
B, regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting;
C, according to judged scene mode, automatically broadcast sound volume current electronic equipment is adjusted to current under suitable wave volume scope corresponding to scene mode.
The described method of automatically adjusting multimedia volume according to different scene modes wherein, also comprised before described steps A: A1, divide different scene modes according to different noise grades.
The described method of automatically adjusting multimedia volume according to different scene modes, wherein, specifically comprises in described steps A 1:
In the time that noise circumstance is 30-40 decibel, be divided into indoor environment scene mode
In the time that noise circumstance is 40-50 decibel, be divided into noisy street corner scene mode;
In the time that noise circumstance is 50-60 decibel, be divided into public transport scene mode.
The described method of automatically adjusting multimedia volume according to different scene modes, wherein, also comprises in described steps A 1: receive user's the self-defined amendment sound decibel number of operational order and add self-defining scene mode.
The described method of automatically adjusting multimedia volume according to different scene modes, wherein, described step C specifically comprises:
C1, obtain time domain or the frequency-domain waveform figure of the audio file of current broadcasting;
C2, after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode.
The described method of automatically adjusting multimedia volume according to different scene modes, wherein, the audio file of each current broadcasting is processed specifically and being comprised under different scene modes in described step C2:
Adopt directly audio file to be amplified or reduce and process, or adopt and first record the size that each file need to amplify or reduce, in the time playing, processing in real time;
Process errors requirement exceeds counting of the custom field upper limit and is no more than 10% in sampled point, is no more than 10% lower than counting of custom field lower limit.
Automatically adjust a system for multimedia volume according to different scene modes, wherein, comprising:
Set in advance module, for be arranged in advance suitable wave volume scope corresponding under different scene modes on electronic equipment;
Detect and judge module, for regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting;
Volume automatic regulating module, for according to judged scene mode, adjusts to broadcast sound volume current electronic equipment the suitable wave volume scope corresponding with current affiliated scene mode automatically.
The described system of automatically adjusting multimedia volume according to different scene modes, wherein, also comprises:
Scene partitioning module, for dividing different scene modes according to different noise grades.
Custom block, for receiving user's the self-defined amendment sound decibel number of operational order and adding self-defining scene mode.
The described system of automatically adjusting multimedia volume according to different scene modes, wherein, volume automatic regulating module comprises:
Acquiring unit, for obtaining time domain or the frequency-domain waveform figure of audio file of current broadcasting;
Process and automatic adjustment unit, for after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode.
The described system of automatically adjusting multimedia volume according to different scene modes, wherein, also volume automatic regulating module also comprises:
The first processing unit, processes for adopting directly audio file to be amplified or reduce;
The second processing unit, first records for adopting the size that each file need to amplify or reduce, and in the time playing, is processing in real time;
Error processing unit for the treatment of error requirements, exceeds counting of the custom field upper limit and is no more than 10% in sampled point, is no more than 10% lower than counting of custom field lower limit.
Automatically the method and system of adjusting multimedia volume according to different scene modes provided by the present invention, make electronic equipment there is the new function that automatically regulates suitable volume according to ambient noise environment, can be according to different scene modes and user's request, automatically revise the volume of the audio files such as each music or video in playlist; Make it to be adjusted in the volume range of user preset; Improve user's auditory perception, provide users with the convenient, improved fail safe.
Brief description of the drawings
Fig. 1 is the present invention adjusts the preferred embodiment of the monitoring method of the method for multimedia volume automatically flow chart according to different scene modes;
Fig. 2 is the present invention adjusts the preferred embodiment of the system of multimedia volume automatically functional schematic block diagram according to different scene modes.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the present invention adjusts the preferred embodiment of the method for multimedia volume automatically flow chart according to different scene modes.A kind of method of automatically adjusting multimedia volume according to different scene modes shown in Fig. 1, comprises the following steps:
Step S100, divide different scene modes according to different noise grades;
According to scientific research, under 20-40 decibel acoustic environment, sound is just as endless chatter is relatively quiet softly, under 40-60 acoustic environment, sound is just as general room talk, environment, under 60-70 decibel acoustic environment, sound has nocuity to human body hearing nerve, and environment is relatively noisy.Show that according to experiment following several scene mode is listened to the file such as music or video respond well:
In the time that noise circumstance is 30-40 decibel, be divided into indoor environment scene mode;
In the time that noise circumstance is 40-50 decibel, be divided into noisy street corner scene mode;
In the time that noise circumstance is 50-60 decibel, be divided into public transport scene mode.
When user is during in different scene; suffered outside sound source annoyance level difference; especially under noisy or public transport place, use electronic equipment to listen to audio or video file and often there will be and do not hear or listen clear but be easier to be interfered, have a strong impact on audio visual effect.Thereby the present invention can according to ambient noise decibel distinguish user in environment scene automatically obtain good audio visual effect in set scene pattern using family.Wherein, the electronic equipment of the present embodiment indication can be mobile phone, the mobile terminals such as MP4.
Further, step 100 also comprises: receive user's the self-defined amendment sound decibel number of operational order and add self-defining scene mode.
User, under relatively familiar environment, understands relatively to surrounding environment sound interference, and user can play decibel parameter with the audio or video file that impression setting is applicable to user itself according to self hobby.The also different contextual model of self-defined interpolation as required of user, makes user under different scene modes, obtain being more suitable for the audio visual effect of oneself, and a concrete decibel parameter arranges user and can freely hold.
101, on electronic equipment, be arranged in advance suitable wave volume scope corresponding under different scene modes;
Before using electronic equipment, regular volume range applicable when system recommendations electronic equipment audio plays under different scene modes or video file are set respectively on electronic equipment in advance, described volume range user can revise voluntarily, is adjusted into the volume range that individual subscriber adapts to.For example, be arranged on the 30-40% that suitable wave volume scope corresponding under indoor environment scene mode is max volume; Be arranged on the 40-60% that suitable wave volume scope corresponding under the scene mode of noisy street corner is max volume; The 60-100% that the suitable wave volume scope that is arranged on correspondence under public transport scene mode is max volume etc.
102, regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting;
Be user in the time using electronic equipment listening to audio or video file, system detects the regularly sound source to user's environment of living in and intensity of sound, and testing result is analyzed to judgement, determines user's scene mode of living in.The benefit of this step is, when user is in moving process, user surrounding environment is in continuous variation, and sound interference intensity is around also relatively different, and this just requires the range of sounds of the audio or video file of playing to make the change adapting in user surrounding environment.
103,, according to judged scene mode, automatically broadcast sound volume current electronic equipment is adjusted to the suitable wave volume scope corresponding with current scene pattern.Wherein, current scene pattern is the current affiliated scene mode of judgement electronic equipment, and 103 concrete steps are:
(1), obtain time domain or the frequency-domain waveform figure of the audio file of current broadcasting.Its concrete grammar is: when each audio file is play for the first time, record its time domain waveform figure.In oscillogram, transverse axis represents the time, and volume represents with the longitudinal axis.This oscillogram is in time domain, audio file to be sampled, and records the volume of each sampled point.Or also can record frequency-domain waveform figure, represent frequency with transverse axis, represent volume with the longitudinal axis.Frequency-domain waveform figure samples to audio file and records the volume of each sampled point on frequency domain.No matter be time-domain sampling or frequency domain sample, the size of sampling interval and sample frequency can determine by sound being adjusted to permissible accuracy size.For example, at time-domain sampling, sound is adjusted to required precision when lower, can be made as and per secondly once sample.
(2), after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode.For example ought be under indoor environment scene mode, automatically adjusting volume is that scope is the 30-40% of max volume; Be that scope is the 40-60% of max volume when being in automatic adjustment volume under the scene mode of noisy street corner; Be that scope is the 60-100% of max volume etc. when being in automatic adjustment volume under public transport scene mode.
The audio file of each current broadcasting is being processed specifically and comprised under different scene modes: adopting directly audio file to be amplified or reduce and process, or adopt and first record the size that each file need to amplify or reduce, in the time playing, process in real time again.In processing procedure, by system software controls by oneself, do not need user manually to change the volume of adjusting each audio file.
It should be noted that some audio file, as the main song of song and refrain part differ larger, systems soft ware differs and can take into account high pitch completely surely and bass all meets the demands completely.So allow certain error while processing, cleanup standard is as follows: exceed counting of the custom field upper limit and be no more than 10% in sampled point, be no more than 10% lower than counting of custom field lower limit.For example the sampling of certain audio file has 400 points, requires between 30-40 decibel under indoor contextual model, after this audio file mode adjustment volume, exceeds 40 decibels and be no more than respectively four lower than 30 decibels count.
Therefore, the method of the embodiment of the present invention, provides a kind of method of adjusting multimedia volume according to different scene mode self adaptations, and it makes electronic equipment have the function that automatically regulates suitable volume according to ambient noise environment, provide users with the convenient, improved fail safe.
Based on above-described embodiment, the present invention also provides a kind of system of adjusting multimedia volume according to different scene mode self adaptations, Fig. 2 is the present invention adjusts the preferred embodiment of the system of multimedia volume automatically structured flowchart according to different scene modes, Fig. 2 has described a kind of system of automatically adjusting multimedia volume according to different scene modes, comprising:
Set in advance module 201, for be arranged in advance suitable wave volume scope corresponding under different scene modes on electronic equipment.Using before electronic equipment, regular volume range applicable when system recommendations electronic equipment audio plays under different scene modes or video file are set respectively on electronic equipment in advance, described volume range user can revise voluntarily.As detailed above.
Detect and judge module 202, for regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting.Be user in the time using electronic equipment listening to audio file, system detects the regularly sound source to user's environment of living in and intensity of sound, and testing result is analyzed to judgement, determines user's scene mode of living in.Be particularly useful for when user is in moving process, user surrounding environment is in continuous variation, and sound interference intensity is around also relatively different, and this just requires the range of sounds of the audio or video file of playing to make the change adapting in user surrounding environment.As detailed above.
Volume automatic regulating module 203, for according to judged scene mode, adjusts to broadcast sound volume current electronic equipment the suitable wave volume scope corresponding with current affiliated scene mode, as detailed above automatically.
Scene partitioning module 204, for dividing different scene modes according to different noise grades, as detailed above.
Custom block 205, for receiving user's the self-defined amendment sound decibel number of operational order and adding self-defining scene mode.When user is during in relatively familiar environment, as workplace, public place of entertainment, public transport place etc., with surrounding environment sound interference is understood relatively, user can play decibel parameter with the audio file that auditory perception setting is applicable to user itself according to self hobby.The also different contextual model of self-defined interpolation as required of user, arranges respectively alternative sounds parameter, makes user under different scene modes, obtain being more suitable for the audio visual effect of oneself, and a concrete decibel parameter arranges user and can freely hold, as detailed above.
Wherein volume automatic regulating module 203 comprises:
Acquiring unit, for obtaining time domain or the frequency-domain waveform figure of audio file of current broadcasting, acquiring unit records its time domain waveform figure when each audio file is play for the first time.In oscillogram, transverse axis represents the time, and volume represents with the longitudinal axis.This oscillogram is in time domain, audio file to be sampled, and records the volume of each sampled point.Or also can record the frequency-domain waveform figure of each audio file, represent frequency with transverse axis, represent volume with the longitudinal axis.Frequency-domain waveform figure samples to audio file and records the volume of each sampled point on frequency domain.No matter be time-domain sampling or frequency domain sample, the size of sampling interval and sample frequency can determine by sound being adjusted to permissible accuracy size.For example, at time-domain sampling, sound is adjusted to required precision when lower, can be made as and per secondly once sample.
Process and automatic adjustment unit, for after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode, as detailed above.
Volume automatic regulating module also comprises:
The first processing unit, processes for adopting directly audio file to be amplified or reduce.This element is applicable to the metastable contextual model of surrounding environment sound interference, by amplifying or reducing audio file in order to adapt to user's seeing and hearing enjoyment, as detailed above.
The second processing unit, first records for adopting the size that each file need to amplify or reduce, and in the time playing, is processing in real time.This element is applicable to the processing to audio file in the time that environment is unstable.Because external environmental sounds interference is unstable, noise is less sometimes, adopts this element can control in real time electronic equipment displaying audio file volume and makes user obtain suitable seeing and hearing enjoyment, as detailed above.
The first processing unit and the second processing unit all have software control automatically to process, and belong to default setting, can judge setting according to the parameter in detection and judge module and processing and automatic adjustment unit, do not need user's manual modification audio file volume.
Error processing unit for the treatment of error requirements, exceeds counting of the custom field upper limit and is no more than 10% in sampled point, is no more than 10% lower than counting of custom field lower limit.For example the sampling of certain audio file has 400 points, requires between 30-40 decibel under indoor contextual model, after this audio file mode adjustment volume, exceeds 40 decibels and be no more than respectively four lower than 30 decibels count, as detailed above.
In sum, automatically the method and system of adjusting multimedia volume according to different scene modes provided by the present invention, make electronic equipment there is the new function that automatically regulates suitable volume according to ambient noise environment, can be according to different scene modes and user's request, the volume of the audio files such as each music or video in amendment or self-defined playlist automatically; Make it to be adjusted in the volume range of user preset; Improve user's auditory perception, provide users with the convenient, improved fail safe.
Should be understood that, application of the present invention is not limited to above-mentioned giving an example, and for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a method of automatically adjusting multimedia volume according to different scene modes, is characterized in that, comprising:
A, on electronic equipment, be arranged under different scene modes corresponding suitable wave volume scope in advance;
B, regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting;
C, according to judged scene mode, automatically broadcast sound volume current electronic equipment is adjusted to current under suitable wave volume scope corresponding to scene mode.
2. the method for automatically adjusting multimedia volume according to different scene modes according to claim 1, is characterized in that, before described steps A, also comprises: A1, divide different scene modes according to different noise grades.
3. the method for automatically adjusting multimedia volume according to different scene modes according to claim 2, is characterized in that, specifically comprises in described steps A 1:
In the time that noise circumstance is 30-40 decibel, be divided into indoor environment scene mode;
In the time that noise circumstance is 40-50 decibel, be divided into noisy street corner scene mode;
In the time that noise circumstance is 50-60 decibel, be divided into public transport scene mode.
4. the method for automatically adjusting multimedia volume according to different scene modes according to claim 2, is characterized in that, also comprises in described steps A 1: receive user's the self-defined amendment sound decibel number of operational order and add self-defining scene mode.
5. the method for automatically adjusting multimedia volume according to different scene modes according to claim 1, is characterized in that, described step C specifically comprises:
C1, obtain time domain or the frequency-domain waveform figure of the audio file of current broadcasting;
C2, after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode.
6. the method for automatically adjusting multimedia volume according to different scene modes according to claim 5, is characterized in that, the audio file of each current broadcasting is processed specifically and being comprised under different scene modes in described step C2:
Adopt directly audio file to be amplified or reduce and process, or adopt and first record the size that each file need to amplify or reduce, in the time playing, processing in real time;
Process errors requirement exceeds counting of the custom field upper limit and is no more than 10% in sampled point, is no more than 10% lower than counting of custom field lower limit.
7. a system of automatically adjusting multimedia volume according to different scene modes, is characterized in that, comprising:
Set in advance module, for be arranged in advance suitable wave volume scope corresponding under different scene modes on electronic equipment;
Detect and judge module, for regular detected electrons equipment noise circumstance around, according to the scene mode under the noise circumstance judgement of the surrounding of detecting;
Volume automatic regulating module, for according to judged scene mode, adjusts to broadcast sound volume current electronic equipment the suitable wave volume scope corresponding with current affiliated scene mode automatically.
8. the system of automatically adjusting according to claim 7 multimedia volume according to different scene modes, is characterized in that, also comprises:
Scene partitioning module, for dividing different scene modes according to different noise grades; And/or
Custom block, for receiving user's the self-defined amendment sound decibel number of operational order and adding self-defining scene mode.
9. the system of automatically adjusting according to claim 7 multimedia volume according to different scene modes, is characterized in that, volume automatic regulating module comprises:
Acquiring unit, for obtaining time domain or the frequency-domain waveform figure of audio file of current broadcasting;
Process and automatic adjustment unit, for after obtaining time domain/frequency-domain waveform figure, then the audio file of each current broadcasting is processed under different scene modes; Automatically the broadcast sound volume of the audio file of the current broadcasting of electronic equipment is adjusted to the suitable wave volume scope corresponding with current affiliated scene mode.
10. the system of automatically adjusting according to claim 9 multimedia volume according to different scene modes, is characterized in that, volume automatic regulating module also comprises:
The first processing unit, processes for adopting directly audio file to be amplified or reduce;
The second processing unit, first records for adopting the size that each file need to amplify or reduce, and in the time playing, is processing in real time;
Error processing unit for the treatment of error requirements, exceeds counting of the custom field upper limit and is no more than 10% in sampled point, is no more than 10% lower than counting of custom field lower limit.
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