CN105119582B - A kind of method and device for automatically adjusting terminal sound - Google Patents
A kind of method and device for automatically adjusting terminal sound Download PDFInfo
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- CN105119582B CN105119582B CN201510558003.1A CN201510558003A CN105119582B CN 105119582 B CN105119582 B CN 105119582B CN 201510558003 A CN201510558003 A CN 201510558003A CN 105119582 B CN105119582 B CN 105119582B
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Abstract
The invention discloses a kind of method and device for automatically adjusting terminal sound, the method for automatically adjusting terminal sound includes：The sound of environment where acquisition terminal；The ambient sound is handled, obtains the virtual value that the ambient sound corresponds to human ear impression；The target sound value of estimating of the virtual value and terminal is synthesized to obtain synthesis volume value；According to the broadcast sound volume for synthesizing volume value and default secure threshold, adjusting the terminal.The sound of environment where the present invention combines terminal, ambient sound and terminal are estimated into target sound value to be synthesized, obtain synthesizing volume, according to synthesis volume value and default secure threshold, the broadcast sound volume of terminal is adjusted, can more accurately react noise size, and the volume of terminal is automatically adjusted according to ambient sound and is easy to user to receive clearly sound in using terminal, using more facilitating, Consumer's Experience effect is improved.
Description
Technical field
The present invention relates to intelligent terminal technical field, more particularly to a kind of method and device for automatically adjusting terminal sound.
Background technology
Harm of the noise to people is very big, has been one of the harm greatly of universally acknowledged seven, people is forced to receive noise, easily tired
Angry excitement, irritability, or even lose one's marbles.If harassed for a long time by low frequency noise, neurasthenia, insomnia, headache are easily caused
Etc. various illnesss.
Terminal is also the one kind of " sound source ", in using terminal, it is necessary to which the sound of terminal is more than ambient sound, in order to
User can hear, when ambient noise is excessive, user generally further tunes up terminal sound to attempt to cover because noise
And the problem of can not hear clearly, cause the health that have impact on auditory system.
The content of the invention
The present invention provides a kind of method and device for automatically adjusting terminal sound, by the ambient sound of environment where terminal and
Terminal is estimated target sound value and synthesized, and is adjusted automatically, is easy to user to be received clearly in using terminal
Sound, use is more convenient, improves Consumer's Experience effect.
The present invention uses following technical scheme：
In a first aspect, the present invention provides a kind of method for automatically adjusting terminal sound, including：
The sound of environment where acquisition terminal；
The ambient sound is handled, obtains the virtual value that the ambient sound corresponds to human ear impression；
The target sound value of estimating of the virtual value and terminal is synthesized to obtain synthesis volume value；
According to the broadcast sound volume for synthesizing volume value and default secure threshold, adjusting the terminal.
Further, the target sound value of estimating is obtained by the virtual value plus default volume difference.
Further, it is described according to the synthesis volume value and default secure threshold, the broadcast sound volume of the terminal is adjusted,
Including：
Judge the synthesis volume value whether in default secure threshold；
If the synthesis volume value automatically adjusts the broadcast sound volume of terminal for institute in the default secure threshold
State and estimate volume gear corresponding to target sound value；
If the synthesis volume value exceeds the default secure threshold, the broadcast sound volume of terminal is automatically adjusted to be right
The safe volume gear answered, and display environment sound pollution index, the ambient sound pollution index are the ambient sound
Virtual value；
Wherein, the safe volume gear is to be corresponded to less than the default secure threshold in the volume gear of volume gear most
High volume gear.
Further, if the synthesis volume value exceeds the default secure threshold, by the broadcasting sound of terminal
Amount is automatically adjusted as corresponding safe volume gear, is specially：
If the synthesis volume value exceeds the default secure threshold, transfer and be less than from the volume data table of terminal
The default secure threshold corresponds to the highest volume gear value of volume gear value, and the broadcast sound volume of terminal is automatically adjusted to be described
Highest volume gear value, each volume gear value of terminal is pre-saved in the volume data table.
Further, the ambient sound is handled, obtains the virtual value that the ambient sound corresponds to human ear impression,
Specially：
According to the curve map of A weighted attenuation networks, A weighted forms are established, as base value；
Ambient sound progress frequency-domain analysis is obtained into frequency domain value；
The virtual value is that the frequency domain value subtracts the base value.
Further, if the synthesis volume value exceeds the default secure threshold, by the broadcasting sound of terminal
Amount is automatically adjusted as corresponding safe volume gear, and display environment sound pollution index, the ambient sound pollution index are
After the virtual value of the ambient sound, in addition to：
If get user to attempt to believe the operation that the broadcast sound volume of terminal is adjusted to more than the default secure threshold
During breath, remind user environment noise big, hearing can be influenceed.
Second aspect, the present invention provide a kind of device for automatically adjusting terminal sound, including：
Ambient sound collecting unit, the sound for environment where acquisition terminal；
Virtual value computing unit, for handling the ambient sound, obtain the ambient sound and correspond to human ear sense
The virtual value received；
Volume value synthesis unit is synthesized, for being synthesized to obtain the target sound value of estimating of the virtual value and terminal
Synthesize volume value；
Sound volume regulation unit, for according to the synthesis volume value and default secure threshold, adjusting the broadcasting of the terminal
Volume.
Further, the target sound value of estimating is obtained by the virtual value plus default volume difference.
Further, in addition to：
Volume value judging unit is synthesized, for judging the synthesis volume value whether in default secure threshold；
The sound volume regulation unit, if specifically for the synthesis volume value in the default secure threshold, will
The broadcast sound volume of terminal automatically adjusts estimates volume gear corresponding to target sound value to be described；If the synthesis volume value surpasses
Go out the default secure threshold, then automatically adjust the broadcast sound volume of terminal for corresponding safe volume gear, and display environment
Sound pollution index, the ambient sound pollution index are the virtual value of the ambient sound；Wherein, the safe volume gear
To correspond to highest volume gear in the volume gear of volume gear less than the default secure threshold.
Further, in addition to：
Reminding unit, if attempting to be adjusted to the broadcast sound volume of terminal to be more than the default safety for getting user
During the operation information of threshold value, remind user environment noise big, hearing can be influenceed.
Technical scheme provided by the invention brings following beneficial effect：
The sound of environment, estimates target sound value by ambient sound and terminal and is synthesized, closed with reference to where terminal
Into volume, according to synthesis volume value and default secure threshold, the broadcast sound volume of terminal is adjusted, it is big can more accurately to react noise
It is small, and the broadcast sound volume of terminal is automatically adjusted according to ambient sound and is easy to user to be received clearly in using terminal
Sound, use is more convenient, improves Consumer's Experience effect.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it can also be implemented according to the present invention
The content of example and these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the method flow diagram of method one embodiment provided by the invention for automatically adjusting terminal sound.
Fig. 2 is the curve map of A weighteds attenuation network provided by the invention.
Fig. 3 is the method flow diagram of method second embodiment provided by the invention for automatically adjusting terminal sound.
Fig. 4 is the block diagram of device one embodiment provided by the invention for automatically adjusting terminal sound.
Fig. 5 is the block diagram of device second embodiment provided by the invention for automatically adjusting terminal sound.
Embodiment
For make present invention solves the technical problem that, the technical scheme that uses and the technique effect that reaches it is clearer, below
The technical scheme of the embodiment of the present invention will be described in further detail with reference to accompanying drawing, it is clear that described embodiment is only
It is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art exist
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, it is method one embodiment provided in an embodiment of the present invention for automatically adjusting terminal sound
Method flow diagram.The method for automatically adjusting terminal sound includes：
The sound of environment where S101, acquisition terminal.
Electret microphone is used in the present embodiment as sampled voice sensor, electret microphone high sensitivity, frequency
Rate response is flat, and the voice signal gathered using amplifier to electret microphone is amplified processing, is easy to improve follow-up sound
The accuracy of sound signal processing.
S102, the ambient sound is handled, obtain the virtual value that the ambient sound corresponds to human ear impression.
The ambient sound is handled using weighting network, weighting network has tri- kinds of A, B, C.A weighteds are simulation people
For ear to the frequency characteristic of below 55dB occupational noises, B weighteds are that the frequency for the moderate noise for simulating 55dB to 85dB is special
Property, C weighteds are the frequency characteristics for simulating high intensity noise.Three's main difference is that attenuation degree to noise frequency composition, A
Decay is most, and B takes second place, and C is minimum.Human ear is more sensitive to 1000Hz-5000Hz sound, and A-weighted sound level is bent due to its characteristic
Line is close to the sense of hearing characteristic of human ear, and therefore, the present embodiment is handled the ambient sound collected using A weighteds.
With reference to shown in Fig. 2, the ambient sound collected is handled specially using A weighteds：
According to the curve map of A weighted attenuation networks, A weighted forms are established, as base value；The ambient sound is entered into line frequency
Domain analysis obtains frequency domain value；The virtual value of the ambient sound is that the frequency domain value subtracts the base value.
Such as：Ambient sound frequency-domain analysis is 60dB to 125Hz, then 16dB should be reduced by being tabled look-up according to Fig. 2, final human ear
The virtual value experienced is 44dB.
S103, the target sound value of estimating of the virtual value and terminal synthesized to obtain synthesis volume value.
In the present embodiment, the target sound value of estimating is obtained by the virtual value plus default volume difference.
Specifically, the synthesis sound pressure level of multi-acoustical synthesis is：
Wherein LpiFor the sound pressure level of i-th of sound source；N is the number of sound source.
The volume of terminal is greater than ambient sound and just caught beneficial to user, therefore, estimates target sound value and is more than environment
Sound, in the present embodiment, it is 3dB to preset volume difference.
S104, according to the synthesis volume value and default secure threshold, adjust the broadcast sound volume of the terminal.
To sum up, the sound of environment where the method method combination terminal provided by the invention for automatically adjusting terminal sound, will
The sound and terminal of environment are estimated target sound value and synthesized, and obtain synthesizing volume, according to synthesis volume value and default safety
Threshold value, the broadcast sound volume of terminal is adjusted, can more accurately react noise size, and the volume of terminal is entered according to the sound of environment
Row adjust automatically is easy to user to receive clearly sound in using terminal, and use is more convenient, improves Consumer's Experience
Effect.
Fig. 3 is refer to, it is second embodiment of the method for automatically adjusting terminal sound provided in an embodiment of the present invention
Method flow diagram.Method shown in Fig. 1 can only automatically adjust the size of terminal volume, not account for volume too greatly to people's hearing
Influence, if the excessive sense of hearing that may damage user of sound, in the present embodiment, automatically adjust the method solution of terminal sound
Determine the problem.The method for automatically adjusting terminal sound includes：
The sound of environment where S201, acquisition terminal.
S202, the ambient sound is handled, obtain the virtual value that the ambient sound corresponds to human ear impression.
S203, the target sound value of estimating of the virtual value and terminal synthesized to obtain synthesis volume value.
S204, judge the synthesis volume value whether in default secure threshold.
Substantial amounts of NULL shows：The people that works in the case where sound level is 85dB noise, the deaf incidence of disease is about after 30 years
It is 8%；Incidence of disease when sound level is 90dB is 20%；Sound level is the incidence of disease 30% when 95dB is.The normal people of hearing, if
Within the regular hour, the powerful noises of more than 90dB are heard, can also cause transient Hearing, generation property is hard of hearing
(TTS).It is repeated exposure to again in more than 90dB noise before TTS recoveries, hearing can be caused to recover normal and turn into
Permanent deafness or noise deafness (PTS).Central nervous system can be also endangered simultaneously, reaches as high as the neurasthenia incidence of disease
50%, lighter is then to make one worried, can not concentrate on, hinder rest and sleep, reduce memory.
In the present embodiment, default secure threshold is set to 85dB, to reduce the excessive infringement to people's hearing of sound.
If S205, the synthesis volume value adjust the broadcast sound volume of terminal in the default secure threshold automatically
Save and estimate volume gear corresponding to target sound value to be described.
The volume data table of volume gear value in volume value counterpart terminal is preserved in terminal, is automatically adjusting terminal sound
Volume data table is first called during amount, corresponding volume gear value is found, then by the volume adjusting of terminal to the volume gear
Value.
If S206, the synthesis volume value exceed the default secure threshold, the broadcast sound volume of terminal is adjusted automatically
Save as corresponding safe volume gear, and display environment sound pollution index, the ambient sound pollution index are the environment
The virtual value of sound.
Specifically, if the synthesis volume value exceeds the default secure threshold, from the volume data table of terminal
The highest volume gear value that volume gear value is corresponded to less than the default secure threshold is transferred, the broadcast sound volume of terminal is adjusted automatically
Save as the highest volume gear value, each volume gear value of terminal is pre-saved in the volume data table.
Such as：If ambient sound is 81dB, terminal volume should be not less than ambient sound, and such as big 3dB listens in favor of human ear
Clearly, i.e. 84dB estimates target sound value, calculates now ambient sound and to estimate the size of target sound value synthesis and be
85.8dB, according to previously mentioned relevant statistics, default secure threshold is set to 85dB, therefore, terminal volume should be set
It is scheduled within 85dB.
Preferably, attempt the volume adjusting of terminal to be the operation more than the default secure threshold if getting user
During information, remind user environment noise big, hearing can be influenceed.
Step S201, S202, S203 of the present embodiment detailed content method shown in Figure 1, here is omitted.
Optimization of the present embodiment as embodiment illustrated in fig. 1.
To sum up, the sound of environment where the method method combination terminal provided by the invention for automatically adjusting terminal sound, will
The sound and terminal of environment are estimated target sound value and synthesized, and obtain synthesizing volume, according to synthesis volume value and default safety
Threshold value, the broadcast sound volume of terminal is adjusted, can more accurately react noise size, and the volume of terminal is entered according to the sound of environment
Row adjust automatically is easy to user to receive clearly sound, the broadcast sound volume limitation of the terminal of adjust automatically in using terminal
Within default secure threshold, avoid terminal volume adjusting excessive, influence the auditory system of user, use is more convenient, improves
Consumer's Experience effect, has ensured the safety of user's auditory system.
Fig. 4 is refer to, it is device one embodiment provided in an embodiment of the present invention for automatically adjusting terminal sound
Block diagram.The device for automatically adjusting terminal sound includes：
Ambient sound collecting unit 10, the sound for environment where acquisition terminal.
Virtual value computing unit 20, for handling the ambient sound, obtain the ambient sound and correspond to human ear
The virtual value of impression.
Volume value synthesis unit 30 is synthesized, for synthesize the target sound value of estimating of the virtual value and terminal
To synthesis volume value；The target sound value of estimating is obtained by the virtual value plus default volume difference.
Sound volume regulation unit 40, for according to the synthesis volume value and default secure threshold, adjusting broadcasting for the terminal
Playback amount.
The detailed content of device method shown in Figure 1, here is omitted.
To sum up, the sound of environment where the device combination terminal provided by the invention for automatically adjusting terminal sound, by environment
Sound and terminal estimate target sound value and synthesized, obtain synthesizing volume, according to synthesis volume value and default secure threshold,
The broadcast sound volume of terminal is adjusted, can more accurately react noise size, and the volume of terminal is carried out certainly according to the sound of environment
Dynamic adjustment is easy to user to receive clearly sound in using terminal, and use is more convenient, improves Consumer's Experience effect.
Fig. 5 is refer to, it is second embodiment of the device for automatically adjusting terminal sound provided in an embodiment of the present invention
Block diagram.This automatically adjusts the device of terminal sound with Fig. 4 shown devices except that also including：
Volume value judging unit 50 is synthesized, for judging the synthesis volume value whether in default secure threshold.
The sound volume regulation unit 40, if specifically for the synthesis volume value in the default secure threshold,
The broadcast sound volume of terminal is automatically adjusted and estimates volume gear corresponding to target sound value to be described；If the synthesis volume value
Beyond the default secure threshold, then the broadcast sound volume of terminal is automatically adjusted as corresponding safe volume gear, and show ring
Border sound pollution index, the ambient sound pollution index are the virtual value of the ambient sound；Wherein, the safe volume shelves
Position is highest volume gear in the volume gear for correspond to volume gear less than the default secure threshold.
Reminding unit 60, if attempting to be adjusted to the broadcast sound volume of terminal to be more than the default peace for getting user
During the operation information of full threshold value, remind user environment noise big, hearing can be influenceed.
The detailed content of device method shown in Figure 3, here is omitted.
To sum up, the sound of environment where the device combination terminal provided by the invention for automatically adjusting terminal sound, by environment
Sound and terminal estimate target sound value and synthesized, obtain synthesizing volume, according to synthesis volume value and default secure threshold,
The broadcast sound volume of terminal is adjusted, can more accurately react noise size, and the volume of terminal is carried out certainly according to the sound of environment
Dynamic adjustment is easy to user to receive clearly sound in using terminal, and default safety is limited in adjust automatically terminal volume
Within threshold value, avoid terminal volume adjusting excessive, influence the auditory system of user, use is more convenient, improves Consumer's Experience
Effect, the safety of user's auditory system is ensured.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, there will be changes, this specification content should not be construed as to the present invention in specific embodiments and applications
Limitation.
Claims (6)
- A kind of 1. method for automatically adjusting terminal sound, it is characterised in that including：The ambient sound of environment where acquisition terminal；The ambient sound is handled, obtains the virtual value that the ambient sound corresponds to human ear impression；The target sound value of estimating of the virtual value and terminal is synthesized to obtain synthesis volume value, wherein, it is described to estimate mesh Mark with phonetic symbols value adds default volume difference by the virtual value and obtained；According to the synthesis volume value and default secure threshold, the broadcast sound volume of the terminal is adjusted, is specially：Judge the conjunction Into volume value whether in default secure threshold；If the synthesis volume value is in the default secure threshold, by terminal Broadcast sound volume automatically adjust and estimate volume gear corresponding to target sound value to be described；If the synthesis volume value exceeds institute Default secure threshold is stated, then is automatically adjusted the broadcast sound volume of terminal for corresponding safe volume gear, and display environment sound Pollution index, the ambient sound pollution index are the virtual value of the ambient sound；Wherein, the safe volume gear is low The highest volume gear in the volume gear that the default secure threshold corresponds to volume gear.
- 2. according to the method for claim 1, it is characterised in that if the synthesis volume value exceeds the default peace Full threshold value, then the broadcast sound volume of terminal is automatically adjusted as corresponding safe volume gear, be specially：If the synthesis volume value exceeds the default secure threshold, transferred from the volume data table of terminal less than described Default secure threshold corresponds to the highest volume gear value of volume gear value, and the broadcast sound volume of terminal is automatically adjusted as the highest Volume gear value, each volume gear value of terminal is pre-saved in the volume data table.
- 3. according to the method for claim 1, it is characterised in that the ambient sound is handled, obtains the environment Sound corresponds to the virtual value of human ear impression, is specially：According to the curve map of A weighted attenuation networks, A weighted forms are established, as base value；Ambient sound progress frequency-domain analysis is obtained into frequency domain value；The virtual value is that the frequency domain value subtracts the base value.
- 4. according to the method for claim 1, it is characterised in that if the synthesis volume value exceeds the default peace Full threshold value, then the broadcast sound volume of terminal is automatically adjusted as corresponding safe volume gear, and display environment sound pollution index, After the ambient sound pollution index is the virtual value of the ambient sound, in addition to：If when getting user and attempting the broadcast sound volume of terminal being adjusted to the operation information more than the default secure threshold, Remind user environment noise big, hearing can be influenceed.
- A kind of 5. device for automatically adjusting terminal sound, it is characterised in that including：Ambient sound collecting unit, the ambient sound for environment where acquisition terminal；Virtual value computing unit, for handling the ambient sound, obtain the ambient sound and correspond to human ear impression Virtual value；Volume value synthesis unit is synthesized, for the target sound value of estimating of the virtual value and terminal to be synthesized Volume value, wherein, the target sound value of estimating is obtained by the virtual value plus default volume difference；Sound volume regulation unit, for according to the synthesis volume value and default secure threshold, adjusting the broadcast sound volume of the terminal, Specially：If the synthesis volume value automatically adjusts the broadcast sound volume of terminal to be described in the default secure threshold Volume gear corresponding to target sound value is estimated, if the synthesis volume value exceeds the default secure threshold, by terminal Broadcast sound volume is automatically adjusted as corresponding safe volume gear；Volume value judging unit is synthesized, for judging the synthesis volume value whether in default secure threshold；The sound volume regulation unit, if specifically for the synthesis volume value in the default secure threshold, by terminal Broadcast sound volume automatically adjust and estimate volume gear corresponding to target sound value to be described；If the synthesis volume value exceeds institute Default secure threshold is stated, then is automatically adjusted the broadcast sound volume of terminal for corresponding safe volume gear, and display environment sound Pollution index, the ambient sound pollution index are the virtual value of the ambient sound；Wherein, the safe volume gear is low The highest volume gear in the volume gear that the default secure threshold corresponds to volume gear.
- 6. the device according to claim 5 for automatically adjusting terminal sound, it is characterised in that also include：Reminding unit, if attempting to be adjusted to the broadcast sound volume of terminal to be more than the default secure threshold for getting user Operation information when, remind user environment noise it is big, hearing can be influenceed.
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| CN201510558003.1A CN105119582B (en) | 2015-09-02 | 2015-09-02 | A kind of method and device for automatically adjusting terminal sound |
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| CN201510558003.1A CN105119582B (en) | 2015-09-02 | 2015-09-02 | A kind of method and device for automatically adjusting terminal sound |
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| CN105119582B true CN105119582B (en) | 2018-03-23 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073272A (en) * | 2016-11-18 | 2018-05-25 | 北京智能管家科技有限公司 | A kind of control method for playing back and device for smart machine |
| CN107241497B (en) * | 2017-05-26 | 2021-01-26 | 努比亚技术有限公司 | Mobile terminal and loudness output adjusting method |
| CN107948801B (en) * | 2017-12-21 | 2020-02-07 | 广东小天才科技有限公司 | Earphone control method and earphone |
| CN109992238B (en) * | 2019-03-28 | 2023-12-15 | 广东九联科技股份有限公司 | Automatic volume adjusting system and method for multimedia terminal equipment |
| CN112015276B (en) * | 2020-09-09 | 2023-06-02 | 深圳华创电科技术有限公司 | Man-machine interaction method comprising display effect adjustment and volume control |
| CN113938795B (en) * | 2021-09-10 | 2024-01-12 | 深圳市飞科笛***开发有限公司 | Method and device for adjusting volume of earphone, earphone and storage medium |
| CN113873387A (en) * | 2021-10-25 | 2021-12-31 | 深圳千岸科技股份有限公司 | Volume adjusting method and system based on earphone terminal |
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