CN105721657B - A kind of method and apparatus of adjustment receiver audio frequency parameter - Google Patents
A kind of method and apparatus of adjustment receiver audio frequency parameter Download PDFInfo
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- CN105721657B CN105721657B CN201610044968.3A CN201610044968A CN105721657B CN 105721657 B CN105721657 B CN 105721657B CN 201610044968 A CN201610044968 A CN 201610044968A CN 105721657 B CN105721657 B CN 105721657B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
- H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- Environmental & Geological Engineering (AREA)
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention discloses a kind of method of adjustment receiver audio frequency parameter, the method includes：The auricle information of user is obtained, the distance between call terminal and user value is obtained, obtains the decibel value of call terminal local environment；It is compared with standard auricle according to the auricle information of acquisition, the determining and immediate standard auricle type of the user determines current audio frequency parameter according to the immediate standard auricle type of the user, the distance value and the decibel value；Send current audio frequency parameter.In this manner it is possible to the audio frequency parameter used required for being determined according to the decibel value of the distance between auricle type, call terminal and the user of user value and call terminal local environment, to match the audio frequency parameter for being adapted to user.Invention additionally discloses a kind of devices of adjust automatically receiver audio frequency parameter.
Description
Technical field
The present invention relates to field of acoustics more particularly to a kind of method and apparatus of adjustment receiver audio frequency parameter.
Background technology
With the development of science and technology, call terminal almost becomes the necessity during everyone lives, people such as mobile phone, tablet
Life increasingly be unable to do without these call terminals, people are connected each other using call terminal such as mobile phone etc., facilitate people's
Exchange and conmmunication.
Currently, the In Call in call terminal is user setting, other audio frequency parameters such as frequency response be it is fixed, it is this
Mode can not adjust to the audio frequency effect of call terminal according to different user and different usage scenarios, logical for a long time to use
There is damage to hearing user after words.
Invention content
The object of the present invention is to provide a kind of method and apparatus of adjustment receiver audio frequency parameter, to protect the hearing of user,
Reduce the hearing impairment that extended telephone conversation is brought.
The purpose of the present invention is achieved through the following technical solutions：
A method of adjustment receiver audio frequency parameter, the method includes：
The auricle information of user is obtained, the distance between call terminal and user value is obtained, obtains ring residing for call terminal
The decibel value in border；
It is compared, is determined and the immediate standard auricle class of the user with standard auricle according to the auricle information of acquisition
Type determines current audio frequency parameter according to the immediate standard auricle type of the user, the distance value and the decibel value；
Send current audio frequency parameter.
Preferably, the step of acquisition the distance between call terminal and user value includes：It obtains call terminal and uses
The distance between the ear or face at family are worth.
Preferably, the method includes：In the auricle information for obtaining user, obtain between call terminal and user
Before the step of distance value：Ear is divided into different types of standard auricle type according to preset condition, and to each standard ear
Corresponding audio frequency parameter is arranged according to distance value different between call terminal and user in wide type.
Preferably, the method includes：In the auricle information for obtaining user, obtain between call terminal and user
Before the step of distance value：Obtain the instruction for enabling receiver.
Preferably, the auricle information for obtaining user obtains the distance between call terminal and user value, obtains call
The step of decibel value of terminal local environment includes：Ear image is shot by camera, obtains the auricle information of user；Pass through
Range sensor obtains the distance between receiver and user of call terminal value；Call terminal local environment is obtained by microphone
Decibel value.
The present invention discloses a kind of device of adjust automatically receiver audio frequency parameter, and described device includes：
Acquisition module, the auricle information for obtaining user obtain the distance between call terminal and user value, obtain logical
The decibel value of telephone terminal local environment；
Processing module, for being compared with standard auricle according to the auricle information of acquisition, determination is closest with the user
Standard auricle type, according to the immediate standard auricle type of the user, the distance value and the decibel value determination work as
Preceding audio frequency parameter；
Sending module, for sending current audio frequency parameter.
Preferably, acquisition module is for obtaining the distance between ear or the face of call terminal and user value.
Preferably, described device further includes the memory module being connected with processing module, and the memory module is for storing root
Ear is divided into different types of standard auricle type according to preset condition, and to each standard auricle type according to call terminal with
Different distance value between user, is arranged the database information of corresponding audio frequency parameter.
Preferably, described device further includes the detection module being connected with acquisition module, and the detection module is opened for obtaining
With the instruction of receiver.
Preferably, the acquisition module is used to shoot ear image by camera, obtains the auricle information of user；Pass through
Range sensor obtains the distance between receiver and user of call terminal value；Call terminal local environment is obtained by microphone
Decibel value.
Compared with prior art, the present invention has the following advantages：In the prior art, the In Call of call terminal such as mobile phone etc.
It is user setting, usually fixed or user is adjusted volume by button during using receiver, other
Audio frequency parameter such as frequency response etc. is fixed, and this mode can not adjust to the audio frequency effect of call terminal according to different user,
Communicate after use for a long time and have damage to hearing user, thus there is an urgent need for it is a kind of can be automatically according to different types to call terminal
The method and apparatus that adjust of audio frequency effect.A kind of method of adjustment receiver audio frequency parameter disclosed in the present invention, due to side
Method includes：The auricle information of user is obtained, the distance between call terminal and user value are obtained；According to the auricle information of acquisition with
Standard auricle is compared, determine with the immediate standard auricle type of the user, according to the immediate standard ear of the user
Wide type and the distance value determine current audio frequency parameter；Send current audio frequency parameter.In this manner it is possible to according to user's
The audio frequency parameter that auricle type and the distance between call terminal and user value use required for determining, is adapted to match
The audio frequency parameter of user.In the present invention, call terminal obtain user auricle information and call terminal and user between away from
After value, call terminal is compared according to the auricle information of acquisition with standard auricle, because according to Chinese adult auricle shape
State measures and classification, the auricle form of human ear can be divided into six classes, thus can be by the auricle information of the user of acquisition and mark
Six accurate class auricle forms are compared, find out with the matched standard auricle of the user, thus can in conjunction with call terminal with
User the distance between value carry out the audio frequency parameter it is determined that using, certainly, these audio frequency parameters are all pre-set,
According to the decibel value under different mark auricles, different distance values and varying environment, suitable audio frequency parameter is set, is then stored up
There are in call terminal such as mobile phone, such method can allow call terminal to adjust the sound of receiver according to actual conditions in real time
Frequency parameter, to adapt to different call environments, user-friendly call terminal carries out hearing voice, and protects the ear of user
Piece and hearing, reduce the hearing impairment that brings of extended telephone conversation, the present of user experience and health increasingly paid close attention in people
It, the present invention inherently injects new vitality to call terminal, is more in line with user's needs and the market demand.
Description of the drawings
Fig. 1 is the flow chart of the method for the adjustment receiver audio frequency parameter of the embodiment of the present invention one；
Fig. 2 is the flow chart of the method for the adjustment receiver audio frequency parameter of the embodiment of the present invention two；
Fig. 3 is the schematic diagram of the device of the adjustment receiver audio frequency parameter of the embodiment of the present invention three；
Fig. 4 is the schematic diagram of the device of the exemplary adjustment receiver audio frequency parameter of another kind of the embodiment of the present invention three；
Fig. 5 is the schematic diagram of the device of the adjustment receiver audio frequency parameter of the embodiment of the present invention four；
Fig. 6 is the schematic diagram of the device of the exemplary adjustment receiver audio frequency parameter of another kind of the embodiment of the present invention four.
Wherein：200, detection module, 201, acquisition module, 202, processing module, 203, sending module, 204, storage mould
Block.
Specific implementation mode
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing described as flow chart or method.Although operations are described as the processing of sequence by flow chart, therein to be permitted
Multioperation can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be rearranged.When it
The processing can be terminated when operation completion, it is also possible to the additional step being not included in attached drawing.The processing
It can correspond to method, function, regulation, subroutine, subprogram etc..
Alleged " computer equipment " within a context, also referred to as " computer ", referring to can be by running preset program or referring to
Enable and execute the intelligent electronic device of the predetermined process process such as numerical computations and/or logical calculated, may include processor with
Memory, executes the survival that prestores in memory by processor and instructs and execute predetermined process process, or by ASIC,
The hardware such as FPGA, DSP execute predetermined process process, or are realized by said two devices combination.Computer equipment includes but unlimited
In server, PC, laptop, tablet computer, smart mobile phone etc..
The computer equipment includes user equipment and the network equipment.Wherein, the user equipment or client include but
It is not limited to computer, smart mobile phone, PDA etc.；The network equipment includes but not limited to single network server, multiple network services
The server group of device composition or being made of a large amount of computers or network server based on cloud computing (Cloud Computing)
Cloud, wherein cloud computing is one kind of Distributed Calculation, a super virtual meter being made of the computer collection of a group loose couplings
Calculation machine.Wherein, the computer equipment can isolated operation realize the present invention, also can access network and by with its in network
The present invention is realized in the interactive operation of his computer equipment.Wherein, the network residing for the computer equipment includes but not limited to
Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN network etc..
It should be noted that the user equipment, client, the network equipment and network etc. are only for example, other are existing
Or the computer equipment or network being likely to occur from now on are such as applicable to the present invention, should also be included in the scope of the present invention with
It is interior, and be incorporated herein by reference.
Method (some of them are illustrated by flow) discussed hereafter can be by hardware, software, firmware, centre
Part, microcode, hardware description language or its arbitrary combination are implemented.Implement when with software, firmware, middleware or microcode
When, program code or code segment to implement necessary task can be stored in machine or computer-readable medium and (for example deposit
Storage media) in.(one or more) processor can implement necessary task.
Specific structure and function details disclosed herein are only representative, and are for describing the present invention show
The purpose of example property embodiment.But the present invention can be implemented by many alternative forms, and be not interpreted as
It is limited only by the embodiments set forth herein.
Although it should be understood that may have been used term " first ", " second " etc. herein to describe each unit,
But these units should not be limited by these terms.The use of these items is only for by a unit and another unit
It distinguishes.For example, without departing substantially from the range of exemplary embodiment, it is single that first unit can be referred to as second
Member, and similarly second unit can be referred to as first unit.Term "and/or" used herein above include one of them or
The arbitrary and all combination of more listed associated items.
It should be understood that when a unit is referred to as " connecting " or when " coupled " to another unit, can directly connect
Another unit is connect or be coupled to, or may exist temporary location.In contrast, when a unit is referred to as " directly connecting
Connect " or " direct-coupling " arrive another unit when, then be not present temporary location.It should explain in a comparable manner and be used to retouch
State the relationship between unit other words (such as " between being in ... " compared to " between being directly in ... ", " and with ... it is adjacent
Closely " compared to " with ... be directly adjacent to " etc.).
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singulative used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " include " and or " include " used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or a combination thereof.
It should further be mentioned that in some replace implementations, the function action being previously mentioned can be according to different from attached
The sequence indicated in figure occurs.For example, involved function action is depended on, the two width figures shown in succession actually may be used
Substantially simultaneously to execute or can execute in a reverse order sometimes.
The invention will be further described with preferred embodiment below in conjunction with the accompanying drawings.
Wherein, the method for the present embodiment is mainly realized by call terminal；Call terminal such as mobile phone, tablet etc., also may be used
With network function, communication can be carried out with other-end and connect, but and it is limited to above-mentioned several.
It should be noted that call terminal is only for example, other existing or network equipments being likely to occur from now on and visitor
Family end is such as applicable to the present invention, should also be included within the scope of the present invention, and is incorporated herein by reference.In addition,
Embodiment in the present invention by way of example only, can be freely combined between embodiment and embodiment, between multiple embodiments
It can combine, as long as the effect in the present invention can be realized.
Embodiment one
As shown in Figure 1, a kind of method of adjustment receiver audio frequency parameter is disclosed in the present embodiment, the method includes：
S101 obtains the auricle information of user, obtains the distance between call terminal and user value, obtains call terminal institute
Locate the decibel value of environment；
S102 is compared according to the auricle information of acquisition with standard auricle, determines and the immediate standard ear of the user
Wide type determines current audio according to the immediate standard auricle type of the user, the distance value and the decibel value
Parameter；
S103 sends current audio frequency parameter.
More specifically, in step S101, the auricle information and Distance-sensing of user are obtained by camera in call terminal
Device obtains the distance between call terminal and user value, and the decibel value of call terminal local environment is obtained by microphone；Step
In S102, the processor in call terminal is compared according to the auricle information of acquisition with standard auricle, determines with the user most
Close standard auricle type, according to true with the immediate standard auricle type of the user, the distance value and the decibel value
Audio frequency parameter before settled；In step S103, the audio frequency parameter having determined is sent to inside by the processor in call terminal
Audio processing modules, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume.
In this manner it is possible to be adopted required for being determined according to the auricle type of user and the distance between call terminal and user value
Audio frequency parameter, to match the audio frequency parameter for being adapted to user.In the present invention, call terminal is in the auricle for obtaining user
After information and the distance between call terminal and user value, call terminal is compared according to the auricle information of acquisition with standard auricle
It is right, it, thus can be with because six classes can be divided into according to the auricle form of Chinese adult auricle morphometry and classification, human ear
The auricle information of the user of acquisition is compared with six class auricle forms of standard, is found out and the matched standard ear of the user
Exterior feature, thus can in conjunction with call terminal and user the distance between value carry out the audio frequency parameter it is determined that using, certainly, this
A little audio frequency parameters are all pre-set, according to the decibel under different mark auricles, different distance values and varying environment
Value, is arranged suitable audio frequency parameter, is then stored in call terminal such as mobile phone, and such method can allow call terminal
The audio frequency parameter for adjusting receiver according to actual conditions in real time, to adapt to different call environments, user-friendly call terminal
It carries out hearing voice, and protects the ear and hearing of user, reduce the hearing impairment that extended telephone conversation is brought, it is more next in people
Today of user experience and health is more paid close attention to, the present invention inherently injects new vitality to call terminal, is more in line with use
Family needs and the market demand.
For example, in a mobile phone, according to《Chinese adult auricle morphometry and classification》(Qi Na, Li Li, Zhao Wei-sound
Frequency engineering seminar -2008), be provided with the classification of six kinds of standard auricles, including, macaque type, guenon type, sharp have sharp ears type,
Circle have sharp ears type, the micro- phenotype of have sharp ears lack have sharp ears type；L points of the distance value by human ear and mobile phone is four kinds, i.e. 0.5 centimetre of 0≤L <,
1 centimetre of 0.5 centimetre≤L <, 2 centimetres of 1 centimetre≤L <, 2 centimetres of L >；Thus there are 24 kinds of combinations, is thus provided with
24 kinds of part audio frequency parameters, including audio frequency response curve etc..Along with going to set according to the decibel value of call terminal local environment
The size of volume, such as the decibel value of terminal local environment is led in collected call when being 0-40 (not including 40) decibel, mobile phone
The volume of receiver is that the output power of 5 lattice volumes or receiver is the 40% of rated power；The ring residing for the collected call terminal
The decibel value in border be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is the defeated of 10 lattice volumes or receiver
Go out 60% that power is rated power；When the decibel value of collected call terminal local environment be 60-85 (including 60, do not wrap
When including 85) decibel, the volume of earpiece is that the output power of 15 lattice volumes or receiver is the 80% of rated power；Work as acquisition
When the decibel value of the call terminal local environment arrived is 85 (including 85) decibels or more, the volume of earpiece is 20 lattice volumes,
Or 100% that the output power of receiver is rated power.Certainly, these are also the distance value L needed according to by human ear and mobile phone
It adjusts.For example, above-mentioned volume adjustment is suitable for 2 centimetres of L >, and as 0.5 centimetre of 0≤L <, it is necessary to above-mentioned point
Shellfish value is adjusted in the relationship of volume.
For example, when as 0.5 centimetre of 0≤L <, decibel value that terminal local environment is led in collected call be 0-40 (no
When including 40) decibel, the volume of earpiece is that the output power of 3.5 lattice volumes or receiver is the 28% of rated power；When adopting
The decibel value of the call terminal local environment integrated as 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is
The output power of 7 lattice volumes or receiver is the 42% of rated power；When the decibel value of collected call terminal local environment is
60-85 (including 60, do not include 85) decibel when, the volume of earpiece is that the output power of 10.5 lattice volumes or receiver is volume
Determine the 56% of power；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, mobile phone is listened
The volume of cylinder is that the output power of 14 lattice volumes or receiver is the 70% of rated power.
And as 1 centimetre of 0.5 centimetre≤L <, the decibel value that terminal local environment is led in collected call is that 0-40 (is not wrapped
When including 40) decibel, the volume of earpiece is that the output power of 4 lattice volumes or receiver is the 32% of rated power；When collecting
Call terminal local environment decibel value be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is 8 lattice
The output power of volume or receiver is the 48% of rated power；When the decibel value of collected call terminal local environment is 60-
85 (including 60, do not include 85) decibel when, the volume of earpiece is that the output power of 12 lattice volumes or receiver is rated power
64%；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, the sound of earpiece
Amount is that the output power of 16 lattice volumes or receiver is the 80% of rated power.
And as 2 centimetres of 1 centimetre≤L <, the decibel value that terminal local environment is led in collected call is that 0-40 (does not include
40) when decibel, the volume of earpiece is that the output power of 4.5 lattice volumes or receiver is the 36% of rated power；When collecting
Call terminal local environment decibel value be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is 9 lattice
The output power of volume or receiver is the 54% of rated power；When the decibel value of collected call terminal local environment is 60-
85 (including 60, do not include 85) decibel when, the volume of earpiece be that the output power of 13.5 lattice volumes or receiver is specified work(
The 72% of rate；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, earpiece
Volume is that the output power of 18 lattice volumes or receiver is the 81% of rated power.
Such as the auricle of certain user compare by analysis it is closest with macaque type auricle, as the distance value L of human ear and mobile phone
When being 0.8 centimetre, macaque type is just selected, the audio frequency parameter such as frequency response curve etc. under 1 centimetre of 0.5 centimetre≤L <, and adopt at this time
The decibel value of the environment residing for call terminal collected is 65 decibels, is found in 1 centimetre of 0.5 centimetre≤L < by volume tune
Section is that the output power of 12 lattice volumes or receiver is the 64% of rated power；And if the user changes the position of mobile phone at this time
It sets, mobile phone is caused to detect that the distance between human ear and mobile phone value are changed, such as the distance value L of human ear and mobile phone becomes
At 0.6 centimetre, since 0.6 centimetre still in the section of 1 centimetre of .5 centimetres≤L <, audio frequency parameter such as frequency response curve etc. is no
It can adjust, if the decibel value of the environment residing for collected call terminal is 48 decibels at this time, in 1 centimetre of 0.5 centimetre≤L <
In to find the output power that volume adjustment is 8 lattice volumes or receiver be the 48% of rated power；And if the human ear of user
When becoming 0.4 centimetre with the distance value L of mobile phone, 0.4 centimetre in the section of 0.5 centimetre of 0≤L <, therefore will use macaque
Type standard auricle is in the audio frequency parameter such as frequency response curve in section etc. of 0.5 centimetre of 0≤L <, the audio frequency parameter of receiver such as frequency at this time
Ringing curve etc. will change, and the decibel value of the environment residing for collected call terminal is 65 decibels at this time, in 0≤L <
It is the 56% of rated power to be found in 0.5 centimetre by the output power that volume adjustment is 10.5 lattice volumes or receiver；Volume meeting
Corresponding to reduce, the high-frequency parameter of sound can be relatively low, avoids stimulation to the hearing of user.Wherein, the audio frequency parameter of setting can be with
It is the general parameters of mobile-phone manufacturers, this is common parameter in the call terminals such as mobile phone field, for example, audio frequency parameter includes
The number of sample rate, that is, gathered data per second；The digit of sampling precision, that is, each gathered data；I.e. there are a few road audios for port number；
Bit rate is directed to coded format, indicates amount of audio data size etc. per second after compressed encoding, these parameter settings for
For the engineer for manufacturing call terminal, belong to conventional design.Certainly, the subsection setup of these distance values can be according to practical need
It asks and separately sets, can also freely be set by user, such user can be obtained by relatively comfortable auditory perception.
According to an example, the step of the distance between acquisition call terminal in the step S101 and user value, wraps
It includes：Obtain the distance between ear or the face of call terminal and user value.Call terminal can be more prone to, is more accurate in this way
True detects the distance between call terminal and user value so that the selection of audio frequency parameter is more accurate, is more close to the users
Demand.Certainly, other modes can also be used to obtain the distance between call terminal and user in the present embodiment to be worth, or obtained
The distance between other of call terminal and user position value is used as the alternative condition of audio frequency parameter.Call is obtained if chosen
The distance between face of terminal and user is worth, then in above-mentioned case, L points of the distance value by human ear and mobile phone is four kinds, L
Distance will add the distance between face and ear, such as plus 2 centimetres, Concourse Division before just becomes：2≤L < 2.5
Centimetre, 3 centimetres of 2.5 centimetres≤L <, 4 centimetres of 3 centimetres≤L <, 4 centimetres of L >, such four sections.
According to another example, in step S101, ear image can be shot by camera, to obtain the auricle of user
Information；The distance between receiver and the user of call terminal value can be obtained by range sensor；It can be obtained by microphone
Take the decibel value of call terminal local environment.Because in present call terminal such as mobile phone, tablet, front camera has been
It is very universal, therefore the image of user's ear can be very easily got by camera, and the figure of standard auricle
Piece is also existing, therefore it is very convenient to be compared with the picture of standard auricle by the image of the user's ear of shooting
, thus can fast and accurately judge with the immediate standard auricle of user's pinna shape, facilitate audio frequency parameter
Choose more accurate, the demand being more close to the users.Moreover, range sensor is in present call terminal such as mobile phone, tablet etc.
In nearly all have, therefore can very easily be obtained between the receiver of call terminal and user by range sensor
Distance value.And microphone can design in each mobile phone or call terminal, so the ring residing for microphone acquisition call terminal
The decibel value in border is very convenient and reliable.Certainly, other modes can also be used to obtain the ear of user in the present embodiment
Wide information, for example, user take mobile phone after take pictures in advance, carry out the mode such as pre-setting；Other modes can also be used to obtain logical
The distance between the receiver of telephone terminal and user are worth.
According to another example, the method further includes：It is described obtain user auricle information, obtain call terminal with
Before the step of the distance between user is worth, ear is divided by different types of standard auricle type according to preset condition, and right
Corresponding audio frequency parameter is arranged according to distance value different between call terminal and user in each standard auricle type.I.e. logical
In telephone terminal such as mobile phone, first to pre-set for different standard auricle type, different distance values and different decibel values,
Corresponding audio frequency parameter is set, for example, be provided with the classification of six kinds of standard auricles, including, macaque type, guenon type, sharp have sharp ears type,
Circle have sharp ears type, the micro- phenotype of have sharp ears lack have sharp ears type；L points of the distance value by human ear and mobile phone is four kinds, i.e. 0.5 centimetre of 0≤L <,
1 centimetre of 0.5 centimetre≤L <, 2 centimetres of 1 centimetre≤L <, 2 centimetres of L >, thus have 24 kinds of combinations, are thus provided with
24 kinds of part audio frequency parameters, including audio frequency response curve etc., along with going to set according to the decibel value of call terminal local environment
The size of volume, after setting completed, by the data storage of these settings in call terminal such as mobile phone, tablet, to lead to
Telephone terminal can directly invoke these data when in use, accurately find corresponding audio frequency parameter.
More specifically, the method in the present embodiment can be expressed as following steps：
The acquisition of user information：Predominantly obtain：1) pinna shape, the 2) distance of human ear and earpiece, the present embodiment
Pinna shape is shot using infrared camera, then image processing algorithm is used to obtain auricle and the relevant information of acoustics, adopted
Coordinate the distance between image procossing detection auricle, face and the receiver of infrared camera with range sensor；
Information processing and analysis：Infrared camera shoots human ear shape, and the big of auricle is got using associated picture algorithm
Small, shape, the information such as depth compare the standard auricle model built in these key messages and we, and crawl connects the most
Close standard auricle model, using the distance of range sensor and infrared image processing acquisition auricle, face and earpiece, originally
Each auricle model corresponds to different distance we has preset a series of audio frequency parameter in embodiment, while in also supporting to use
It sets algorithm and automatically generates the audio frequency parameters such as frequency response and volume, two ways can be freely arranged by user；
Acoustic control：According to information processing above, CPU can be according to user setting, using the audio of built-in corresponding model
Parameter automatically generates one group of audio frequency parameter using built-in algorithm；Then audio frequency parameter is exported and handles mould to internal audio frequency
Block, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume, be exported by digital-to-analogue conversion after signal processing
To power amplifier, and then export the audio frequency parameter for meeting currently used person.
Embodiment two
The present embodiment may be considered the further supplement to embodiment one, can be used together with embodiment one.
As shown in Fig. 2, in the auricle information for obtaining user, the step of the distance between call terminal and user value is obtained
Before rapid, the instruction for enabling receiver is obtained.Specifically it is expressed as：
S100 obtains the instruction for enabling receiver；
S101 obtains the auricle information of user, obtains the distance between call terminal and user value, obtains call terminal institute
Locate the decibel value of environment；
S102 is compared according to the auricle information of acquisition with standard auricle, determines and the immediate standard ear of the user
Wide type determines current audio according to the immediate standard auricle type of the user, the distance value and the decibel value
Parameter；
S103 sends current audio frequency parameter.
In this way, call terminal elder generation detecting handset can be allowed whether to have been started up, if receiver is enabled, that
Begin to following step, can allow in this way call terminal it is more flexible start adjust automatically receiver audio frequency parameter behaviour
Make, save the resource of call terminal such as mobile phone, mobile phone camera always and range sensor is avoided to work always, reduces
The resource occupation of call terminal saves electricity.
Certainly, before this, corresponding audio frequency parameter will be pre-set in mobile phone by being still, real about setting audio frequency parameter
It applies and has been had a detailed description in example one, repeated no more.
Certainly, the method in the present embodiment can also be following steps：
S100 obtains the instruction for enabling receiver；
S101 obtains the auricle information of user, obtains the distance between call terminal and user value, obtains call terminal institute
Locate the decibel value of environment；
S102 is compared according to the standard auricle in the auricle information and date library of acquisition, and determination most connects with the user
Close standard auricle type, according to the immediate standard auricle type of the user, the distance value and the decibel value in number
According to the audio frequency parameter before really settled in library；
S103 sends current audio frequency parameter.
Embodiment three
As shown in figure 3, disclosing a kind of device of adjustment receiver audio frequency parameter in the present embodiment, described device includes：
Acquisition module 201, the auricle information for obtaining user obtain the distance between call terminal and user value, obtain
Take the decibel value of call terminal local environment；
Processing module 202, for being compared with standard auricle according to the auricle information of acquisition, determination most connects with the user
Close standard auricle type is determined according to the immediate standard auricle type of the user, the distance value and the decibel value
Current audio frequency parameter；
Sending module 203, for sending current audio frequency parameter.
More specifically, acquisition module 201 may include camera and range sensor, be obtained by camera in call terminal
The auricle information and range sensor for taking family obtain the distance between call terminal and user value, are obtained and are conversed by microphone
The decibel value of terminal local environment；Processing module 202 can be the processor in call terminal in the processor of call terminal
Be compared with standard auricle according to the auricle information of acquisition, determine with the immediate standard auricle type of the user, according to
The immediate standard auricle type of the user, the distance value and the decibel value determine current audio frequency parameter；Sending module
203 can be in processor, and the audio frequency parameter having determined is sent to internal audio frequency processing by the processor in call terminal
Module, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume.
In this manner it is possible to be adopted required for being determined according to the auricle type of user and the distance between call terminal and user value
Audio frequency parameter, to match the audio frequency parameter for being adapted to user.In the present invention, call terminal is in the auricle for obtaining user
After information and the distance between call terminal and user value, call terminal is compared according to the auricle information of acquisition with standard auricle
It is right, it, thus can be with because six classes can be divided into according to the auricle form of Chinese adult auricle morphometry and classification, human ear
The auricle information of the user of acquisition is compared with six class auricle forms of standard, is found out and the matched standard ear of the user
Exterior feature, thus can in conjunction with call terminal and user the distance between value carry out the audio frequency parameter it is determined that using, certainly, this
A little audio frequency parameters are all pre-set, according to the decibel under different mark auricles, different distance values and varying environment
Value, is arranged suitable audio frequency parameter, is then stored in call terminal such as mobile phone, and such method can allow call terminal
The audio frequency parameter for adjusting receiver according to actual conditions in real time, to adapt to different call environments, user-friendly call terminal
It carries out hearing voice, and protects the ear and hearing of user, reduce the hearing impairment that extended telephone conversation is brought, it is more next in people
Today of user experience and health is more paid close attention to, the present invention inherently injects new vitality to call terminal, is more in line with use
Family needs and the market demand.
For example, in a mobile phone, according to《Chinese adult auricle morphometry and classification》(Qi Na, Li Li, Zhao Wei-sound
Frequency engineering seminar -2008), be provided with the classification of six kinds of standard auricles, including, macaque type, guenon type, sharp have sharp ears type,
Circle have sharp ears type, the micro- phenotype of have sharp ears lack have sharp ears type；L points of the distance value by human ear and mobile phone is four kinds, i.e. 0.5 centimetre of 0≤L <,
1 centimetre of 0.5 centimetre≤L <, 2 centimetres of 1 centimetre≤L <, 2 centimetres of L >；Thus there are 24 kinds of combinations, is thus provided with
24 kinds of part audio frequency parameters, including audio frequency response curve etc..Along with going to set according to the decibel value of call terminal local environment
The size of volume, such as the decibel value of terminal local environment is led in collected call when being 0-40 (not including 40) decibel, mobile phone
The volume of receiver is that the output power of 5 lattice volumes or receiver is the 40% of rated power；The ring residing for the collected call terminal
The decibel value in border be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is the defeated of 10 lattice volumes or receiver
Go out 60% that power is rated power；When the decibel value of collected call terminal local environment be 60-85 (including 60, do not wrap
When including 85) decibel, the volume of earpiece is that the output power of 15 lattice volumes or receiver is the 80% of rated power；Work as acquisition
When the decibel value of the call terminal local environment arrived is 85 (including 85) decibels or more, the volume of earpiece is 20 lattice volumes,
Or 100% that the output power of receiver is rated power.Certainly, these are also the distance value L needed according to by human ear and mobile phone
It adjusts.For example, above-mentioned volume adjustment is suitable for 2 centimetres of L >, and as 0.5 centimetre of 0≤L <, it is necessary to above-mentioned point
Shellfish value is adjusted in the relationship of volume.
For example, when as 0.5 centimetre of 0≤L <, decibel value that terminal local environment is led in collected call be 0-40 (no
When including 40) decibel, the volume of earpiece is that the output power of 3.5 lattice volumes or receiver is the 28% of rated power；When adopting
The decibel value of the call terminal local environment integrated as 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is
The output power of 7 lattice volumes or receiver is the 42% of rated power；When the decibel value of collected call terminal local environment is
60-85 (including 60, do not include 85) decibel when, the volume of earpiece is that the output power of 10.5 lattice volumes or receiver is volume
Determine the 56% of power；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, mobile phone is listened
The volume of cylinder is that the output power of 14 lattice volumes or receiver is the 70% of rated power.
And as 1 centimetre of 0.5 centimetre≤L <, the decibel value that terminal local environment is led in collected call is that 0-40 (is not wrapped
When including 40) decibel, the volume of earpiece is that the output power of 4 lattice volumes or receiver is the 32% of rated power；When collecting
Call terminal local environment decibel value be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is 8 lattice
The output power of volume or receiver is the 48% of rated power；When the decibel value of collected call terminal local environment is 60-
85 (including 60, do not include 85) decibel when, the volume of earpiece is that the output power of 12 lattice volumes or receiver is rated power
64%；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, the sound of earpiece
Amount is that the output power of 16 lattice volumes or receiver is the 80% of rated power.
And as 2 centimetres of 1 centimetre≤L <, the decibel value that terminal local environment is led in collected call is that 0-40 (does not include
40) when decibel, the volume of earpiece is that the output power of 4.5 lattice volumes or receiver is the 36% of rated power；When collecting
Call terminal local environment decibel value be 40-60 (including 40, do not include 60) decibel when, the volume of earpiece is 9 lattice
The output power of volume or receiver is the 54% of rated power；When the decibel value of collected call terminal local environment is 60-
85 (including 60, do not include 85) decibel when, the volume of earpiece be that the output power of 13.5 lattice volumes or receiver is specified work(
The 72% of rate；When the decibel value of collected call terminal local environment is 85 (including 85) decibels or more, earpiece
Volume is that the output power of 18 lattice volumes or receiver is the 81% of rated power.
Such as the auricle of certain user compare by analysis it is closest with macaque type auricle, as the distance value L of human ear and mobile phone
When being 0.8 centimetre, macaque type is just selected, the audio frequency parameter such as frequency response curve etc. under 1 centimetre of 0.5 centimetre≤L <, and adopt at this time
The decibel value of the environment residing for call terminal collected is 65 decibels, is found in 1 centimetre of 0.5 centimetre≤L < by volume tune
Section is that the output power of 12 lattice volumes or receiver is the 64% of rated power；And if the user changes the position of mobile phone at this time
It sets, mobile phone is caused to detect that the distance between human ear and mobile phone value are changed, such as the distance value L of human ear and mobile phone becomes
At 0.6 centimetre, since 0.6 centimetre still in the section of 1 centimetre of .5 centimetres≤L <, audio frequency parameter such as frequency response curve etc. is no
It can adjust, if the decibel value of the environment residing for collected call terminal is 48 decibels at this time, in 1 centimetre of 0.5 centimetre≤L <
In to find the output power that volume adjustment is 8 lattice volumes or receiver be the 48% of rated power；And if the human ear of user
When becoming 0.4 centimetre with the distance value L of mobile phone, 0.4 centimetre in the section of 0.5 centimetre of 0≤L <, therefore will use macaque
Type standard auricle is in the audio frequency parameter such as frequency response curve in section etc. of 0.5 centimetre of 0≤L <, the audio frequency parameter of receiver such as frequency at this time
Ringing curve etc. will change, and the decibel value of the environment residing for collected call terminal is 65 decibels at this time, in 0≤L <
It is the 56% of rated power to be found in 0.5 centimetre by the output power that volume adjustment is 10.5 lattice volumes or receiver；Volume meeting
Corresponding to reduce, the high-frequency parameter of sound can be relatively low, avoids stimulation to the hearing of user.Wherein, the audio frequency parameter of setting can be with
It is the general parameters of mobile-phone manufacturers, this is common parameter in the call terminals such as mobile phone field, for example, audio frequency parameter includes
The number of sample rate, that is, gathered data per second；The digit of sampling precision, that is, each gathered data；I.e. there are a few road audios for port number；
Bit rate is directed to coded format, indicates amount of audio data size etc. per second after compressed encoding, these parameter settings for
For the engineer for manufacturing call terminal, belong to conventional design.Certainly, the subsection setup of these distance values can be according to practical need
It asks and separately sets, can also freely be set by user, such user can be obtained by relatively comfortable auditory perception.
According to an example, acquisition module 201 is used for：Obtain the distance between ear or the face of call terminal and user
Value.Call terminal can be more prone to, more accurately detect the distance between call terminal and user value in this way so that sound
The selection of frequency parameter is more accurate, the demand being more close to the users.Certainly, it can also be obtained using other modes in the present embodiment
The distance between call terminal and user are worth, or obtain the distance between call terminal and other positions of user value and be used as sound
The alternative condition of frequency parameter.If the distance between face for obtaining call terminal and user value is chosen, in above-mentioned case
In, L points of the distance value by human ear and mobile phone is four kinds, and the distance of L will add the distance between face and ear, such as add 2
Centimetre, Concourse Division before just becomes：2.5 centimetres of 2≤L <, 3 centimetres of 2.5 centimetres≤L <, 4 centimetres of 3 centimetres≤L <, L >
4 centimetres, such four sections.
According to another example, acquisition module 201 may include camera and range sensor, can be clapped by camera
Ear image is taken the photograph, to obtain the auricle information of user；Can be obtained by range sensor call terminal receiver and user it
Between distance value；The decibel value of call terminal local environment can be obtained by microphone.Because of present call terminal such as hand
In machine, tablet etc., front camera has been very universal, therefore very easily can get user by camera
The image of ear, and the picture of standard auricle is also existing, therefore pass through the image of the user's ear of shooting and standard ear
Wide picture, which is compared, to be very convenient, and thus can fast and accurately be judged closest with user's pinna shape
Standard auricle, facilitate the selection of audio frequency parameter more accurate, the demand being more close to the users.Moreover, range sensor is existing
Call terminal such as mobile phone, tablet in nearly all have, therefore can very easily be obtained by range sensor
The distance between the receiver of call terminal and user are worth.And microphone can design in each mobile phone or call terminal, so
It is very convenient and reliable that the decibel value of call terminal local environment is acquired with microphone.It certainly, can also in the present embodiment
Obtain the auricle information of user using other modes, for example, user take mobile phone after take pictures in advance, the side such as pre-set
Formula；Other modes can also be used to obtain the distance between receiver and user of call terminal value.
According to another example, as shown in figure 4, described device further includes the memory module being connected with processing module 202
204, ear is divided into different types of standard auricle type by memory module 204 for storing according to preset condition, and to each
The database letter of corresponding audio frequency parameter is arranged according to distance value different between call terminal and user in standard auricle type
Breath.I.e. in call terminal such as mobile phone, first to pre-set for different standard auricle type, different distance values and difference
Decibel value, corresponding audio frequency parameter is set, for example, be provided with the classification of six kinds of standard auricles, including, macaque type, guenon type,
Sharp have sharp ears type, circle have sharp ears type, the micro- phenotype of have sharp ears lack have sharp ears type；L points of the distance value by human ear and mobile phone is four kinds, i.e. 0≤L <
0.5 centimetre, 1 centimetre of 0.5 centimetre≤L <, 2 centimetres of 1 centimetre≤L <, 2 centimetres of L >, thus have 24 kinds of combinations, by
This is provided with 24 kinds of part audio frequency parameters, including audio frequency response curve etc., along with the decibel according to call terminal local environment
Value goes the size of setting volume, after setting completed, by the data storage of these settings in call terminal such as mobile phone, tablet
In, so that call terminal can directly invoke these data when in use, accurately find corresponding audio frequency parameter.
More specifically, in the present embodiment the realization of device method, following steps can be expressed as：
The acquisition of user information：Predominantly obtain：1) pinna shape, the 2) distance of human ear and earpiece, the present embodiment
Pinna shape is shot using infrared camera, then image processing algorithm is used to obtain auricle and the relevant information of acoustics, adopted
Coordinate the distance between image procossing detection auricle, face and the receiver of infrared camera with range sensor；
Information processing and analysis：Infrared camera shoots human ear shape, and the big of auricle is got using associated picture algorithm
Small, shape, the information such as depth compare the standard auricle model built in these key messages and we, and crawl connects the most
Close standard auricle model, using the distance of range sensor and infrared image processing acquisition auricle, face and earpiece, originally
Each auricle model corresponds to different distance we has preset a series of audio frequency parameter in embodiment, while in also supporting to use
It sets algorithm and automatically generates the audio frequency parameters such as frequency response and volume, two ways can be freely arranged by user；
Acoustic control：According to information processing above, CPU can be according to user setting, using the audio of built-in corresponding model
Parameter automatically generates one group of audio frequency parameter using built-in algorithm；Then audio frequency parameter is exported and handles mould to internal audio frequency
Block, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume, be exported by digital-to-analogue conversion after signal processing
To power amplifier, and then export the audio frequency parameter for meeting currently used person.
Example IV
The present embodiment may be considered the further supplement to embodiment three, can be used together with embodiment three.
As shown in figure 5, described device further includes the detection module being connected with acquisition module, the detection module is for obtaining
Enable the instruction of receiver.Specifically, shown device includes：
Detection module 200, for obtaining the instruction for enabling receiver；
Acquisition module 201, the auricle information for obtaining user obtain the distance between call terminal and user value, obtain
Take the decibel value of call terminal local environment；
Processing module 202, for being compared with standard auricle according to the auricle information of acquisition, determination most connects with the user
Close standard auricle type is determined according to the immediate standard auricle type of the user, the distance value and the decibel value
Current audio frequency parameter；
Sending module 203, for sending current audio frequency parameter.
Using this device, call terminal elder generation detecting handset can be allowed whether to have been started up, if receiver is enabled, that
Begin to following step, can allow in this way call terminal it is more flexible start adjust automatically receiver audio frequency parameter behaviour
Make, save the resource of call terminal such as mobile phone, mobile phone camera always and range sensor is avoided to work always, reduces
The resource occupation of call terminal saves electricity.Certainly, before this, corresponding audio ginseng will be pre-set in mobile phone by being still
Number is repeated no more about having been had a detailed description in setting audio frequency parameter embodiment one.
Certainly, the device in the present embodiment can also include memory module, as shown in fig. 6, shown device includes：
Detection module 200, for obtaining the instruction for enabling receiver；
Acquisition module 201, the auricle information for obtaining user obtain the distance between call terminal and user value, obtain
Take the decibel value of call terminal local environment；
Processing module 202, for being compared with the standard auricle in memory module 204 according to the auricle information of acquisition,
Determine with the immediate standard auricle type of the user, according to the immediate standard auricle type of the user, the distance value
Current audio frequency parameter is determined in memory module 204 with the decibel value；
Sending module 203, for sending current audio frequency parameter.
Ear is divided into different types of standard auricle type by memory module 204 for storing according to preset condition, and right
Corresponding audio frequency parameter is arranged according to distance value and decibel value different between call terminal and user in each standard auricle type
Database information.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the present invention's
Protection domain.
Claims (10)
1. a method of adjustment receiver audio frequency parameter, which is characterized in that the method includes：
The auricle information of user is obtained, the distance between call terminal and user value is obtained, obtains call terminal local environment
Decibel value；
It is compared, is determined and the immediate standard auricle type of the user, root with standard auricle according to the auricle information of acquisition
Current audio frequency parameter is determined according to the immediate standard auricle type of the user, the distance value and the decibel value；
Send current audio frequency parameter.
2. a kind of method of adjustment receiver audio frequency parameter according to claim 1, which is characterized in that the acquisition call is eventually
The step of end and the distance between user value includes：
Obtain the distance between ear or the face of call terminal and user value.
3. a kind of method of adjustment receiver audio frequency parameter according to claim 1, which is characterized in that the method includes：
It is described obtain user auricle information, obtain the distance between call terminal and user be worth the step of before：
Ear is divided into different types of standard auricle type according to preset condition, and to each standard auricle type according to call
Different distance value between terminal and user, is arranged corresponding audio frequency parameter.
4. a kind of method of adjustment receiver audio frequency parameter according to claim 1, which is characterized in that the method includes：
It is described obtain user auricle information, obtain the distance between call terminal and user be worth the step of before：
Obtain the instruction for enabling receiver.
5. a kind of method of adjustment receiver audio frequency parameter according to claim 1, which is characterized in that described to obtain user's
The step of auricle information obtains the distance between call terminal and user and is worth, the decibel value for obtaining call terminal local environment is wrapped
It includes：
Ear image is shot by camera, obtains the auricle information of user；Listening for call terminal is obtained by range sensor
The distance between cylinder and user value；The decibel value of call terminal local environment is obtained by microphone.
6. a kind of device of adjustment receiver audio frequency parameter, which is characterized in that described device includes：
Acquisition module, the auricle information for obtaining user obtain the distance between call terminal and user value, obtain call eventually
Hold the decibel value of local environment；
Processing module determines and the immediate mark of the user for being compared with standard auricle according to the auricle information of acquisition
Quasi- auricle type determines currently according to the immediate standard auricle type of the user, the distance value and the decibel value
Audio frequency parameter；
Sending module, for sending current audio frequency parameter.
7. a kind of device of adjustment receiver audio frequency parameter according to claim 6, which is characterized in that acquisition module is for obtaining
Take the distance between ear or the face of call terminal and user value.
8. a kind of device of adjustment receiver audio frequency parameter according to claim 6, which is characterized in that described device further includes
Ear is divided into for storage according to preset condition different types of by the memory module being connected with processing module, the memory module
Standard auricle type, and to each standard auricle type according to distance value different between call terminal and user, setting corresponds to
Audio frequency parameter database information.
9. a kind of device of adjustment receiver audio frequency parameter according to claim 6, which is characterized in that described device further includes
The detection module being connected with acquisition module, the detection module are used to obtain the instruction for enabling receiver.
10. a kind of device of adjustment receiver audio frequency parameter according to claim 6, which is characterized in that the acquisition module
For shooting ear image by camera, the auricle information of user is obtained；Listening for call terminal is obtained by range sensor
The distance between cylinder and user value；The decibel value of call terminal local environment is obtained by microphone.
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| CN106210342A (en) * | 2016-07-27 | 2016-12-07 | 宇龙计算机通信科技(深圳)有限公司 | Volume control method, volume control device and mobile terminal |
| CN106161801A (en) * | 2016-08-17 | 2016-11-23 | 珠海格力电器股份有限公司 | The In Call control method of a kind of mobile terminal and device |
| CN106713645B (en) * | 2016-12-28 | 2019-11-15 | 努比亚技术有限公司 | A kind of method and mobile terminal of the broadcasting of control loudspeaker |
| CN107566936B (en) * | 2017-07-12 | 2020-07-10 | 捷开通讯(深圳)有限公司 | Earphone capable of automatically adjusting audio data, method thereof and storage medium |
| CN110213478A (en) * | 2019-04-25 | 2019-09-06 | 深圳市泰衡诺科技有限公司 | Camera control method, computer readable storage medium and terminal |
| CN116156048B (en) * | 2023-04-23 | 2023-12-08 | 恩平市华电电子有限公司 | Volume adjustment method, system, equipment and medium based on artificial intelligence |
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| CN101227759A (en) * | 2007-01-15 | 2008-07-23 | 上海杰得微电子有限公司 | Earphone device with automatic volume control function |
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| US6754546B1 (en) * | 1997-10-09 | 2004-06-22 | Interval Research Corporation | Electronic audio connection system and methods for providing same |
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Effective date of registration: 20190329 Address after: No. 3, courtyard No. 5, di Kam Road, Haidian District, Beijing Patentee after: BYZORO NETWORK LTD. Address before: 518000 M, 7th Floor, Nanjingyuan Building, 167 Taoyuan Road, Nantou Street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN ZHIHUISHIFANG TECHNOLOGY CO., LTD. |