CN105721657A - Method and device for adjusting audio parameters of telephone receiver - Google Patents
Method and device for adjusting audio parameters of telephone receiver Download PDFInfo
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- CN105721657A CN105721657A CN201610044968.3A CN201610044968A CN105721657A CN 105721657 A CN105721657 A CN 105721657A CN 201610044968 A CN201610044968 A CN 201610044968A CN 105721657 A CN105721657 A CN 105721657A
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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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Abstract
The invention discloses a method for adjusting audio parameters of a telephone receiver.The method comprises the steps of obtaining auricle information of a user, obtaining a distance value between a call terminal and a user, and obtaining a decibel value of the environment where the call terminal is located; making a comparison with the standard auricle according to the obtained auricle information, determining a standard auricle type closest to the user, and determining current audio parameters according to the standard auricle type closest to the user and the decibel value; and sending the current audio parameters.Therefore, the audio parameters needing to be adopted can be adopted according to the user's auricle type, the distance value between the call terminal and the user and the decibel value of the environment where the call terminal is located, and thus the audio parameters adapting to the user are obtained through matching.The invention further discloses a device for adjusting the audio parameters of the telephone receiver.
Description
Technical field
The present invention relates to field of acoustics, particularly relate to a kind of method and apparatus adjusting receiver audio frequency parameter.
Background technology
Along with the development of science and technology, call terminal such as mobile phone, flat board etc. almost become the necessary in everyone life, and the life of people increasingly be unable to do without these call terminals, and people use call terminal such as mobile phone etc. to connect each other, the exchange and conmmunication being convenient for people to.
At present, In Call in call terminal is user setup, other audio frequency parameters such as frequency response are fixing, and the audio frequency effect of call terminal cannot be adjusted by this mode according to different user and different use scenes, after communicating use for a long time, hearing user are had damage.
Summary of the invention
It is an object of the invention to provide a kind of method and apparatus adjusting receiver audio frequency parameter, to protect the audition of user, reduce the hearing impairment that extended telephone conversation brings.
It is an object of the invention to be achieved through the following technical solutions:
A kind of method adjusting receiver audio frequency parameter, described method includes:
Obtain the auricle information of user, obtain the distance value between call terminal and user, obtain the decibel value of call terminal local environment；
Auricle information and standard auricle according to obtaining are compared, it is determined that standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Send current audio frequency parameter.
Preferably, the step of the distance value between described acquisition call terminal and user includes: obtain the distance value between call terminal and ear or the face of user.
Preferably, described method includes: in the described auricle information obtaining user, before obtaining the step of the distance value between call terminal and user: according to pre-conditioned, ear is divided into different types of standard auricle type, and to every kind of standard auricle type according to distance values different between call terminal from user, the audio frequency parameter of correspondence is set.
Preferably, described method includes: in the described auricle information obtaining user, before obtaining the step of the distance value between call terminal and user: obtain the instruction enabling receiver.
Preferably, the described auricle information obtaining user, obtain the distance value between call terminal and user, the step of the decibel value obtaining call terminal local environment includes: shoot ear image by photographic head, obtains the auricle information of user；The distance value between receiver and the user of call terminal is obtained by range sensor；The decibel value of call terminal local environment is obtained by mike.
The device of a kind of automatic adjustment receiver audio frequency parameter of disclosure, described device includes:
Acquisition module, for obtaining the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
Processing module, for comparing according to the auricle information obtained and standard auricle, it is determined that standard auricle type immediate with this user, determines current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Sending module, for sending current audio frequency parameter.
Preferably, acquisition module is for obtaining the distance value between ear or the face of call terminal and user.
Preferably, described device also includes the memory module being connected with processing module, ear is divided into different types of standard auricle type for storage according to pre-conditioned by described memory module, and to every kind of standard auricle type according to distance values different between call terminal from user, the database information of the audio frequency parameter of correspondence is set.
Preferably, described device also includes the detection module being connected with acquisition module, and described detection module is for obtaining the instruction enabling receiver.
Preferably, described acquisition module, for shooting ear image by photographic head, obtains the auricle information of user；The distance value between receiver and the user of call terminal is obtained by range sensor；The decibel value of call terminal local environment is obtained by mike.
Compared to existing technology, the invention have the advantages that in prior art, the In Call of call terminal such as mobile phone etc. is user setup, the process using receiver is usually fixing, or user is adjusted volume by button, such as the frequency response etc. of other audio frequency parameters is fixing, the audio frequency effect of call terminal cannot be adjusted by this mode according to different user, after communicating use for a long time, hearing user there is damage, so needing a kind of method and apparatus that automatically according to different types, the audio frequency effect of call terminal can be adjusted badly.A kind of method adjusting receiver audio frequency parameter disclosed in the present invention, owing to method includes: obtain the auricle information of user, obtains the distance value between call terminal and user；Auricle information and standard auricle according to obtaining are compared, it is determined that standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type and described distance value；Send current audio frequency parameter.In this manner it is possible to determine the audio frequency parameter of required employing according to the distance value between auricle type and call terminal and the user of user, thus matching the audio frequency parameter being adapted to user.In the present invention, after call terminal distance value between the auricle information and call terminal and the user that obtain user, call terminal is compared according to the auricle information obtained and standard auricle, because according to Chinese adult auricle morphometry and classification, the auricle form of human ear can be divided into six classes, thus six class auricle forms of the auricle information of the user of acquisition Yu standard can be compared, find out the standard auricle mated with this user, thus can in conjunction with the distance value between call terminal and user come it is determined that adopt audio frequency parameter, certainly, these audio frequency parameters all pre-set, according to different mark auricles, decibel value under different distance values and varying environment, suitable audio frequency parameter is set, it is then stored in call terminal such as mobile phone, such method can allow call terminal adjust the audio frequency parameter of receiver in real time according to practical situation, to adapt to different call environment, it is user-friendly to call terminal to carry out hearing voice, and protect ear and the audition of user, reduce the hearing impairment that extended telephone conversation brings, today of Consumer's Experience and health is increasingly paid close attention to people, the present invention inherently injects new vitality to call terminal, more conform to user need and the market demand.
Accompanying drawing explanation
Fig. 1 is the flow chart of the method adjusting receiver audio frequency parameter of the embodiment of the present invention one；
Fig. 2 is the flow chart of the method adjusting receiver audio frequency parameter of the embodiment of the present invention two；
Fig. 3 is the schematic diagram of the device adjusting receiver audio frequency parameter of the embodiment of the present invention three；
Fig. 4 is the schematic diagram of the device adjusting receiver audio frequency parameter of the another kind of example of the embodiment of the present invention three；
Fig. 5 is the schematic diagram of the device adjusting receiver audio frequency parameter of the embodiment of the present invention four；
Fig. 6 is the schematic diagram of the device adjusting receiver audio frequency parameter of the another kind of example of the embodiment of the present invention four.
Wherein: 200, detection module, 201, acquisition module, 202, processing module, 203, sending module, 204, memory module.
Detailed description of the invention
It should be mentioned that, some exemplary embodiments are described as the process as flow chart description or method before being discussed in greater detail exemplary embodiment.Although operations is described as the process of order by flow chart, but many operations therein can be implemented concurrently, concomitantly or simultaneously.Additionally, the order of operations can be rearranged.Described process can be terminated when its operations are completed, it is also possible to have the additional step being not included in accompanying drawing.Described process can correspond to method, function, code, subroutine, subprogram etc..
Alleged " computer equipment " within a context, also referred to as " computer ", refer to the intelligent electronic device that can be performed the predetermined process process such as numerical computations and/or logical calculated by operation preset program or instruction, it can include processor and memorizer, the survival instruction being performed to prestore in memory by processor is to perform predetermined process process, or performed predetermined process process by the hardware such as ASIC, FPGA, DSP, or combined by said two devices and realize.Computer equipment includes but not limited to server, PC, notebook computer, panel computer, smart mobile phone etc..
Described computer equipment includes subscriber equipment and the network equipment.Wherein, described subscriber equipment or client include but not limited to computer, smart mobile phone, PDA etc.；The described network equipment includes but not limited to server group that single network server, multiple webserver form or the cloud being made up of a large amount of computers or the webserver based on cloud computing (CloudComputing), wherein, cloud computing is the one of Distributed Calculation, the super virtual machine being made up of a group loosely-coupled computer collection.Wherein, described computer equipment isolated operation can realize the present invention, it is possible to accesses network and by realizing the present invention with the interactive operation of other computer equipments in network.Wherein, the network residing for described computer equipment includes but not limited to the Internet, wide area network, Metropolitan Area Network (MAN), LAN, VPN etc..
It should be noted that; described subscriber equipment, client, the network equipment and network etc. are only for example; other existing or computer equipments of being likely to occur from now on or network, as being applicable to the present invention, within also should being included in scope, and are incorporated herein with way of reference.
Method (some of them are illustrated by flow chart) discussed hereafter can be implemented by hardware, software, firmware, middleware, microcode, hardware description language or its combination in any.When implementing by software, firmware, middleware or microcode, the program code or code segment in order to implement necessary task can be stored in machine or computer-readable medium (such as storage medium).(one or more) processor can implement the task of necessity.
Concrete structure disclosed herein and function detail are only representational, and are the purposes of exemplary embodiment for describing the present invention.But the present invention can be implemented by many alternative forms, and is not interpreted as being limited only by the embodiments set forth herein.
Although it should be appreciated that here may have been used term " first ", " second " etc. to describe unit, but these unit should not be limited by these terms.These terms are used to be only used to make a distinction a unit and another unit.For example, when without departing substantially from the scope of exemplary embodiment, first module can be referred to as second unit, and second unit can be referred to as first module similarly.Term "and/or" used herein above includes any and all combination of one of them or more listed associated item.
It should be appreciated that when a unit is referred to as " connection " or during " coupled " to another unit, it can be connected or coupled to another unit described, or can there is temporary location.On the other hand, " when being directly connected " or " directly coupled " to another unit, then temporary location it is absent from when a unit is referred to as.Should explain in a comparable manner be used to describe the relation between unit other words (such as " and be in ... between " compared to " and be directly in ... between ", " with ... contiguous " compared to " and with ... be directly adjacent to " etc.).
Term used herein above is only used to describe specific embodiment and be not intended to limit exemplary embodiment.Unless the context clearly dictates otherwise, otherwise singulative used herein above " ", " one " also attempt to include plural number.It is to be further understood that, term used herein above " includes " and/or specifies " comprising " existence of feature, integer, step, operation, unit and/or the assembly stated, and does not preclude the presence or addition of other features one or more, integer, step, operation, unit, assembly and/or its combination.
It should further be mentioned that replace in implementation at some, the function/action being previously mentioned can according to the order generation being different from sign in accompanying drawing.For example, depending on involved function/action, the two width figure in succession illustrated can essentially substantially simultaneously perform or sometimes can perform in a reverse order.
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
Wherein, the method for the present embodiment realizes mainly through call terminal；Call terminal is mobile phone, flat board etc. such as, it is possible to have network function, it is possible to carries out communication with other-end and is connected, but and is limited to above-mentioned several.
It should be noted that call terminal is only for example, other existing or network equipments of being likely to occur from now on and client, as being applicable to the present invention, within also should being included in scope, and are incorporated herein with way of reference.It addition, the embodiment in the present invention is by way of example only, between embodiment and embodiment can independent assortment, can also combine between multiple embodiments, if the effect being capable of in the present invention.
Embodiment one
As it is shown in figure 1, a kind of method adjusting receiver audio frequency parameter disclosed in the present embodiment, described method includes:
S101, obtains the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
S102, auricle information and standard auricle according to obtaining are compared, it is determined that standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
S103, sends current audio frequency parameter.
More concrete, in step S101, photographic head in call terminal obtain the distance value between the auricle information of user and range sensor acquisition call terminal and user, obtained the decibel value of call terminal local environment by mike；In step S102, processor in call terminal is compared according to the auricle information obtained and standard auricle, determine standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；In step S103, the processor in call terminal by it has been determined that audio frequency parameter be sent to internal audio frequency processing 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 determine the audio frequency parameter of required employing according to the distance value between auricle type and call terminal and the user of user, thus matching the audio frequency parameter being adapted to user.In the present invention, after call terminal distance value between the auricle information and call terminal and the user that obtain user, call terminal is compared according to the auricle information obtained and standard auricle, because according to Chinese adult auricle morphometry and classification, the auricle form of human ear can be divided into six classes, thus six class auricle forms of the auricle information of the user of acquisition Yu standard can be compared, find out the standard auricle mated with this user, thus can in conjunction with the distance value between call terminal and user come it is determined that adopt audio frequency parameter, certainly, these audio frequency parameters all pre-set, according to different mark auricles, decibel value under different distance values and varying environment, suitable audio frequency parameter is set, it is then stored in call terminal such as mobile phone, such method can allow call terminal adjust the audio frequency parameter of receiver in real time according to practical situation, to adapt to different call environment, it is user-friendly to call terminal to carry out hearing voice, and protect ear and the audition of user, reduce the hearing impairment that extended telephone conversation brings, today of Consumer's Experience and health is increasingly paid close attention to people, the present invention inherently injects new vitality to call terminal, more conform to user need and the market demand.
Such as, in one mobile phone, according to " Chinese adult auricle morphometry and classification " (Qi Na, Li Li, Zhao Wei-audio engineering seminar 2008), it is provided with six kinds of standard auricle classification, including, macaque type, guenon type, point have sharp ears type, circle have sharp ears type, the micro-phenotype of have sharp ears, scarce have sharp ears type；Be divided into four kinds by the distance value L of human ear and mobile phone, namely 0≤L < 0.5 centimetre, 0.5 centimetre≤L < 1 centimetre, 1 centimetre≤L < 2 centimetres, L > 2 centimetres；Thus there are 24 kinds of compound modes, have thus been provided with 24 kinds of part audio frequency parameters, including audio frequency frequency response curve etc..Add the decibel value according to call terminal local environment and go to set the size of volume, such as, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 5 lattice volumes, or the output of receiver is the 40% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 10 lattice volumes, or the output of receiver is the 60% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 15 lattice volumes, or the output of receiver is the 80% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 20 lattice volumes, or the output of receiver is the 100% of rated power.Certainly, these are also need according to regulating by the distance value L of human ear and mobile phone.Such as, above-mentioned volume adjusting applies to L > 2 centimetres, and as 0≤L < 0.5 centimetre, it is necessary to above-mentioned decibel value is adjusted in the relation of volume.
Such as, when as 0≤L < 0.5 centimetre, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 3.5 lattice volumes, or the output of receiver is the 28% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 7 lattice volumes, or the output of receiver is the 42% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 10.5 lattice volumes, or the output of receiver is the 56% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 14 lattice volumes, or the output of receiver is the 70% of rated power.
And as 0.5 centimetre≤L < 1 centimetre, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 4 lattice volumes, or the output of receiver is the 32% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 8 lattice volumes, or the output of receiver is the 48% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 12 lattice volumes, or the output of receiver is the 64% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 16 lattice volumes, or the output of receiver is the 80% of rated power.
And as 1 centimetre≤L < 2 centimetres, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 4.5 lattice volumes, or the output of receiver is the 36% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 9 lattice volumes, or the output of receiver is the 54% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 13.5 lattice volumes, or the output of receiver is the 72% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 18 lattice volumes, or the output of receiver is the 81% of rated power.
The comparison by analysis of the auricle of such as certain user is closest with macaque type auricle, when the distance value L of human ear and mobile phone is 0.8 centimetre, it is selected by macaque type, audio frequency parameter such as frequency response curve etc. under 0.5 centimetre≤L < 1 centimetre, and the decibel value of the environment residing for the call terminal now collected is 65 decibels, finding volume adjusting in 0.5 centimetre≤L < 1 centimetre is 12 lattice volumes, or the output of receiver is the 64% of rated power；If and now this user changes the position of mobile phone, cause that the distance value that mobile phone detects between human ear and mobile phone there occurs change, such as, when the distance value L of human ear and mobile phone becomes 0.6 centimetre, due to 0.6 centimetre of interval remaining in .5 centimetre≤L < 1 centimetre, therefore audio frequency parameter such as frequency response curve etc. will not adjust, if the decibel value of the environment residing for the call terminal now collected is 48 decibels, finding volume adjusting in 0.5 centimetre≤L < 1 centimetre is 8 lattice volumes, or the output of receiver is the 48% of rated power；And when if the distance value L of the human ear of user and mobile phone becomes 0.4 centimetre, 0.4 centimetre in the interval of 0≤L < 0.5 centimetre, therefore macaque type standard auricle will be adopted at the interval audio frequency parameter such as frequency response curve etc. of 0≤L < 0.5 centimetre, now the audio frequency parameter of receiver such as frequency response curve etc. will change, the decibel value of the environment residing for call terminal now collected is 65 decibels, finding volume adjusting in 0≤L < is 0.5 centimetre is 10.5 lattice volumes, or the output of receiver is the 56% of rated power；Volume can reduce accordingly, and the high-frequency parameter of sound can be relatively low, it is to avoid stimulates the audition to user.Wherein, the audio frequency parameter of setting can be the parameter that mobile-phone manufacturers are general, and this is conventional parameter in the call terminal fields such as mobile phone, for instance, audio frequency parameter includes sample rate and the number of times of collection data per second；Namely sampling precision gathers the figure place of data every time；Namely there is several roads audio frequency in port number；Bit rate is namely for coded format, amount of audio data size per second after representing compressed encoding etc., and these parameters arrange the engineer for manufacturing call terminal, belong to conventional design.Certainly, the subsection setup of these distance values can set according to the actual requirements separately, it is also possible to is freely set by user, and such user can be obtained by relatively comfortable auditory perception.
According to an example, the step of the distance value obtained between call terminal and user in described step S101 includes: obtain the distance value between call terminal and ear or the face of user.The distance value that such call terminal can be more prone to, detect between call terminal and user more accurately so that choosing of audio frequency parameter is more accurate, the demand being more close to the users.Certainly, the present embodiment can also use other modes obtain the distance value between call terminal and user, or the distance value between acquisition call terminal and other positions of user is used as the alternative condition of audio frequency parameter.If choosing the distance value obtained between call terminal and the face of user, so in above-mentioned case, it is divided into four kinds by the distance value L of human ear and mobile phone, the distance of L will add the distance between face and ear, such as add 2 centimetres, Concourse Division before just becomes: 2≤L < 2.5 centimetres, 2.5 centimetres≤L < 3 centimetres, 3 centimetres≤L < 4 centimetres, L > 4 centimetres, such four intervals.
According to another example, in step S101, it is possible to shoot ear image by photographic head, obtain the auricle information of user；The distance value between receiver and the user of range sensor acquisition call terminal can be passed through；Mike can be passed through and obtain the decibel value of call terminal local environment.Because in present call terminal such as mobile phone, flat board etc., front-facing camera has been very general, therefore, it is possible to got the image of user's ear very easily by photographic head, and the picture of standard auricle is also existing, therefore the image of user's ear by shooting is compared with the picture of standard auricle is very easily, thus can judge standard auricle immediate with this user's pinna shape fast and accurately, facilitate choosing of audio frequency parameter more accurate, the demand being more close to the users.And, range sensor nearly all has in present call terminal such as mobile phone, flat board etc., therefore, it is possible to obtain the distance value between the receiver of call terminal and user by range sensor very easily.And mike can design in each mobile phone or call terminal, so the decibel value by mike collection call terminal local environment is very convenient and reliable.Certainly, the present embodiment can also adopt other mode obtain the auricle information of user, for instance user takes pictures after taking mobile phone in advance, carry out the mode such as pre-setting；Other modes can also be adopted to obtain the distance value between the receiver of call terminal and user.
According to another example, described method also includes: in the described auricle information obtaining user, before the step of the distance value between acquisition call terminal and user, according to pre-conditioned, ear is divided into different types of standard auricle type, and to every kind of standard auricle type according to distance values different between call terminal from user, the audio frequency parameter of correspondence is set.Namely in call terminal such as mobile phone, first to pre-set for different standard auricle types, different distance values and different decibel values, corresponding audio frequency parameter is set, such as, it is provided with six kinds of standard auricle classification, including, macaque type, guenon type, point have sharp ears type, circle have sharp ears type, the micro-phenotype of have sharp ears, scarce have sharp ears type；It is divided into four kinds by the distance value L of human ear and mobile phone, i.e. 0≤L < 0.5 centimetre, 0.5 centimetre≤L < 1 centimetre, 1 centimetre≤L < 2 centimetres, L > 2 centimetres, thus there are 24 kinds of compound modes, thus it is provided with 24 kinds of part audio frequency parameters, including audio frequency frequency response curve etc., add the decibel value according to call terminal local environment and go to set the size of volume, after setting completed, the data of these settings are stored in call terminal such as hands machine, in flat board, so that call terminal can directly invoke these data in use, accurately find the audio frequency parameter of correspondence.
More concrete, in the present embodiment method, it is possible to be expressed as following steps:
The acquisition of user profile: be mainly acquisition: 1) pinna shape, 2) distance of human ear and earpiece, the present embodiment adopts infrared camera to shoot pinna shape, then adopt image processing algorithm to obtain the information that auricle is relevant with acoustics, adopt range sensor to coordinate the image procossing detection auricle of infrared camera, the distance between face and receiver；
Information processing and analysis: infrared camera shooting human ear shape, associated picture algorithm is adopted to get the size of auricle, shape, the information such as the degree of depth, these key messages and our built-in standard auricle model are contrasted, capture closest to standard auricle model, range sensor and infrared image processing is adopted to gather auricle, the distance of face and earpiece, in the present embodiment each auricle model correspondence different distance we preset a series of audio frequency parameter, also support to adopt built-in algorithms to automatically generate the audio frequency parameter such as frequency response and volume simultaneously, two ways can be passed through user and freely arrange；
Acoustic control: according to information processing above, CPU according to user setup, can adopt the audio frequency parameter of built-in corresponding model or adopt built-in algorithms to automatically generate one group of audio frequency parameter；Then audio frequency parameter being exported to internal audio frequency processing module, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume, exports to power amplifier through digital-to-analogue conversion after signal processing, and then output meets the audio frequency parameter of currently used person.
Embodiment two
The present embodiment may be considered supplementing further embodiment one, it is possible to uses together with embodiment one.
As in figure 2 it is shown, in the described auricle information obtaining user, before the step of the distance value between acquisition call terminal and user, obtain the instruction enabling receiver.Specifically it is expressed as:
S100, obtains the instruction enabling receiver；
S101, obtains the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
S102, auricle information and standard auricle according to obtaining are compared, it is determined that standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
S103, sends current audio frequency parameter.
Adopt in this way, call terminal can be allowed first to detect whether receiver has been started up, if receiver is enabled, so begin to below step, call terminal so can be allowed to start automatically to adjust the operation of receiver audio frequency parameter more flexibly, save the resource of call terminal such as mobile phone, it is to avoid mobile phone photographic head always and range sensor are working always, reduce the resource occupation of call terminal, save electricity.
Certainly, before this, it is still that the audio frequency parameter pre-setting correspondence at mobile phone, has a detailed description about arranging in audio frequency parameter embodiment one, repeat no more.
Certainly, the method in the present embodiment can also be following steps:
S100, obtains the instruction enabling receiver；
S101, obtains the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
S102, compare according to the standard auricle in the auricle information and date storehouse obtained, determine standard auricle type immediate with this user, according to this user immediate standard auricle type, described distance value and described decibel value in data base really settled before audio frequency parameter；
S103, sends current audio frequency parameter.
Embodiment three
As it is shown on figure 3, a kind of device adjusting receiver audio frequency parameter disclosed in the present embodiment, described device includes:
Acquisition module 201, for obtaining the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
Processing module 202, for comparing according to the auricle information obtained and standard auricle, determine standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Sending module 203, for sending current audio frequency parameter.
More concrete, acquisition module 201 can include photographic head and range sensor, obtained the distance value between the auricle information of user and range sensor acquisition call terminal and user by photographic head in call terminal, obtained the decibel value of call terminal local environment by mike；Processing module 202 can be in the processor of call terminal, processor in call terminal is compared according to the auricle information obtained and standard auricle, determine standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；Sending module 203 can be in processor, the processor in call terminal by it has been determined that audio frequency parameter be sent to internal audio frequency processing 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 determine the audio frequency parameter of required employing according to the distance value between auricle type and call terminal and the user of user, thus matching the audio frequency parameter being adapted to user.In the present invention, after call terminal distance value between the auricle information and call terminal and the user that obtain user, call terminal is compared according to the auricle information obtained and standard auricle, because according to Chinese adult auricle morphometry and classification, the auricle form of human ear can be divided into six classes, thus six class auricle forms of the auricle information of the user of acquisition Yu standard can be compared, find out the standard auricle mated with this user, thus can in conjunction with the distance value between call terminal and user come it is determined that adopt audio frequency parameter, certainly, these audio frequency parameters all pre-set, according to different mark auricles, decibel value under different distance values and varying environment, suitable audio frequency parameter is set, it is then stored in call terminal such as mobile phone, such method can allow call terminal adjust the audio frequency parameter of receiver in real time according to practical situation, to adapt to different call environment, it is user-friendly to call terminal to carry out hearing voice, and protect ear and the audition of user, reduce the hearing impairment that extended telephone conversation brings, today of Consumer's Experience and health is increasingly paid close attention to people, the present invention inherently injects new vitality to call terminal, more conform to user need and the market demand.
Such as, in one mobile phone, according to " Chinese adult auricle morphometry and classification " (Qi Na, Li Li, Zhao Wei-audio engineering seminar 2008), it is provided with six kinds of standard auricle classification, including, macaque type, guenon type, point have sharp ears type, circle have sharp ears type, the micro-phenotype of have sharp ears, scarce have sharp ears type；Be divided into four kinds by the distance value L of human ear and mobile phone, namely 0≤L < 0.5 centimetre, 0.5 centimetre≤L < 1 centimetre, 1 centimetre≤L < 2 centimetres, L > 2 centimetres；Thus there are 24 kinds of compound modes, have thus been provided with 24 kinds of part audio frequency parameters, including audio frequency frequency response curve etc..Add the decibel value according to call terminal local environment and go to set the size of volume, such as, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 5 lattice volumes, or the output of receiver is the 40% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 10 lattice volumes, or the output of receiver is the 60% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 15 lattice volumes, or the output of receiver is the 80% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 20 lattice volumes, or the output of receiver is the 100% of rated power.Certainly, these are also need according to regulating by the distance value L of human ear and mobile phone.Such as, above-mentioned volume adjusting applies to L > 2 centimetres, and as 0≤L < 0.5 centimetre, it is necessary to above-mentioned decibel value is adjusted in the relation of volume.
Such as, when as 0≤L < 0.5 centimetre, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 3.5 lattice volumes, or the output of receiver is the 28% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 7 lattice volumes, or the output of receiver is the 42% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 10.5 lattice volumes, or the output of receiver is the 56% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 14 lattice volumes, or the output of receiver is the 70% of rated power.
And as 0.5 centimetre≤L < 1 centimetre, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 4 lattice volumes, or the output of receiver is the 32% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 8 lattice volumes, or the output of receiver is the 48% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 12 lattice volumes, or the output of receiver is the 64% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 16 lattice volumes, or the output of receiver is the 80% of rated power.
And as 1 centimetre≤L < 2 centimetres, when the decibel value of the logical terminal local environment of call collected is 0-40 (not including 40) decibel, the volume of earpiece is 4.5 lattice volumes, or the output of receiver is the 36% of rated power；When the decibel value of the call terminal local environment collected is 40-60 (including 40, do not include 60) decibel, the volume of earpiece is 9 lattice volumes, or the output of receiver is the 54% of rated power；When the decibel value of the call terminal local environment collected is 60-85 (including 60, do not include 85) decibel, the volume of earpiece is 13.5 lattice volumes, or the output of receiver is the 72% of rated power；When the decibel value of the call terminal local environment collected is more than 85 (including 85) decibel, the volume of earpiece is 18 lattice volumes, or the output of receiver is the 81% of rated power.
The comparison by analysis of the auricle of such as certain user is closest with macaque type auricle, when the distance value L of human ear and mobile phone is 0.8 centimetre, it is selected by macaque type, audio frequency parameter such as frequency response curve etc. under 0.5 centimetre≤L < 1 centimetre, and the decibel value of the environment residing for the call terminal now collected is 65 decibels, finding volume adjusting in 0.5 centimetre≤L < 1 centimetre is 12 lattice volumes, or the output of receiver is the 64% of rated power；If and now this user changes the position of mobile phone, cause that the distance value that mobile phone detects between human ear and mobile phone there occurs change, such as, when the distance value L of human ear and mobile phone becomes 0.6 centimetre, due to 0.6 centimetre of interval remaining in .5 centimetre≤L < 1 centimetre, therefore audio frequency parameter such as frequency response curve etc. will not adjust, if the decibel value of the environment residing for the call terminal now collected is 48 decibels, finding volume adjusting in 0.5 centimetre≤L < 1 centimetre is 8 lattice volumes, or the output of receiver is the 48% of rated power；And when if the distance value L of the human ear of user and mobile phone becomes 0.4 centimetre, 0.4 centimetre in the interval of 0≤L < 0.5 centimetre, therefore macaque type standard auricle will be adopted at the interval audio frequency parameter such as frequency response curve etc. of 0≤L < 0.5 centimetre, now the audio frequency parameter of receiver such as frequency response curve etc. will change, the decibel value of the environment residing for call terminal now collected is 65 decibels, finding volume adjusting in 0≤L < is 0.5 centimetre is 10.5 lattice volumes, or the output of receiver is the 56% of rated power；Volume can reduce accordingly, and the high-frequency parameter of sound can be relatively low, it is to avoid stimulates the audition to user.Wherein, the audio frequency parameter of setting can be the parameter that mobile-phone manufacturers are general, and this is conventional parameter in the call terminal fields such as mobile phone, for instance, audio frequency parameter includes sample rate and the number of times of collection data per second；Namely sampling precision gathers the figure place of data every time；Namely there is several roads audio frequency in port number；Bit rate is namely for coded format, amount of audio data size per second after representing compressed encoding etc., and these parameters arrange the engineer for manufacturing call terminal, belong to conventional design.Certainly, the subsection setup of these distance values can set according to the actual requirements separately, it is also possible to is freely set by user, and such user can be obtained by relatively comfortable auditory perception.
According to an example, acquisition module 201 is used for: obtain the distance value between call terminal and ear or the face of user.The distance value that such call terminal can be more prone to, detect between call terminal and user more accurately so that choosing of audio frequency parameter is more accurate, the demand being more close to the users.Certainly, the present embodiment can also use other modes obtain the distance value between call terminal and user, or the distance value between acquisition call terminal and other positions of user is used as the alternative condition of audio frequency parameter.If choosing the distance value obtained between call terminal and the face of user, so in above-mentioned case, it is divided into four kinds by the distance value L of human ear and mobile phone, the distance of L will add the distance between face and ear, such as add 2 centimetres, Concourse Division before just becomes: 2≤L < 2.5 centimetres, 2.5 centimetres≤L < 3 centimetres, 3 centimetres≤L < 4 centimetres, L > 4 centimetres, such four intervals.
According to another example, acquisition module 201 can include photographic head and range sensor, it is possible to shoots ear image by photographic head, obtains the auricle information of user；The distance value between receiver and the user of range sensor acquisition call terminal can be passed through；Mike can be passed through and obtain the decibel value of call terminal local environment.Because in present call terminal such as mobile phone, flat board etc., front-facing camera has been very general, therefore, it is possible to got the image of user's ear very easily by photographic head, and the picture of standard auricle is also existing, therefore the image of user's ear by shooting is compared with the picture of standard auricle is very easily, thus can judge standard auricle immediate with this user's pinna shape fast and accurately, facilitate choosing of audio frequency parameter more accurate, the demand being more close to the users.And, range sensor nearly all has in present call terminal such as mobile phone, flat board etc., therefore, it is possible to obtain the distance value between the receiver of call terminal and user by range sensor very easily.And mike can design in each mobile phone or call terminal, so the decibel value by mike collection call terminal local environment is very convenient and reliable.Certainly, the present embodiment can also adopt other mode obtain the auricle information of user, for instance user takes pictures after taking mobile phone in advance, carry out the mode such as pre-setting；Other modes can also be adopted to obtain the distance value between the receiver of call terminal and user.
According to another example, as shown in Figure 4, described device also includes the memory module 204 being connected with processing module 202, ear is divided into different types of standard auricle type for storage according to pre-conditioned by memory module 204, and to every kind of standard auricle type according to distance values different between call terminal from user, the database information of the audio frequency parameter of correspondence is set.Namely in call terminal such as mobile phone, first to pre-set for different standard auricle types, different distance values and different decibel values, corresponding audio frequency parameter is set, such as, it is provided with six kinds of standard auricle classification, including, macaque type, guenon type, point have sharp ears type, circle have sharp ears type, the micro-phenotype of have sharp ears, scarce have sharp ears type；It is divided into four kinds by the distance value L of human ear and mobile phone, i.e. 0≤L < 0.5 centimetre, 0.5 centimetre≤L < 1 centimetre, 1 centimetre≤L < 2 centimetres, L > 2 centimetres, thus there are 24 kinds of compound modes, thus it is provided with 24 kinds of part audio frequency parameters, including audio frequency frequency response curve etc., add the decibel value according to call terminal local environment and go to set the size of volume, after setting completed, the data of these settings are stored in call terminal such as hands machine, in flat board, so that call terminal can directly invoke these data in use, accurately find the audio frequency parameter of correspondence.
More concrete, the method for the realization of device in the present embodiment, it is possible to be expressed as following steps:
The acquisition of user profile: be mainly acquisition: 1) pinna shape, 2) distance of human ear and earpiece, the present embodiment adopts infrared camera to shoot pinna shape, then adopt image processing algorithm to obtain the information that auricle is relevant with acoustics, adopt range sensor to coordinate the image procossing detection auricle of infrared camera, the distance between face and receiver；
Information processing and analysis: infrared camera shooting human ear shape, associated picture algorithm is adopted to get the size of auricle, shape, the information such as the degree of depth, these key messages and our built-in standard auricle model are contrasted, capture closest to standard auricle model, range sensor and infrared image processing is adopted to gather auricle, the distance of face and earpiece, in the present embodiment each auricle model correspondence different distance we preset a series of audio frequency parameter, also support to adopt built-in algorithms to automatically generate the audio frequency parameter such as frequency response and volume simultaneously, two ways can be passed through user and freely arrange；
Acoustic control: according to information processing above, CPU according to user setup, can adopt the audio frequency parameter of built-in corresponding model or adopt built-in algorithms to automatically generate one group of audio frequency parameter；Then audio frequency parameter being exported to internal audio frequency processing module, internal audio frequency processing module can adjust the audio frequency parameters such as the frequency response of sound, volume, exports to power amplifier through digital-to-analogue conversion after signal processing, and then output meets the audio frequency parameter of currently used person.
Embodiment four
The present embodiment may be considered supplementing further embodiment three, it is possible to uses together with embodiment three.
As it is shown in figure 5, described device also includes the detection module being connected with acquisition module, described detection module is for obtaining the instruction enabling receiver.Concrete, it is shown that device includes:
Detection module 200, for obtaining the instruction enabling receiver；
Acquisition module 201, for obtaining the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
Processing module 202, for comparing according to the auricle information obtained and standard auricle, determine standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Sending module 203, for sending current audio frequency parameter.
Adopt this device, call terminal can be allowed first to detect whether receiver has been started up, if receiver is enabled, so begin to below step, call terminal so can be allowed to start automatically to adjust the operation of receiver audio frequency parameter more flexibly, save the resource of call terminal such as mobile phone, it is to avoid mobile phone photographic head always and range sensor are working always, reduce the resource occupation of call terminal, save electricity.Certainly, before this, it is still that the audio frequency parameter pre-setting correspondence at mobile phone, has a detailed description about arranging in audio frequency parameter embodiment one, repeat no more.
Certainly, the device in the present embodiment can also include memory module, as shown in Figure 6, it is shown that device includes:
Detection module 200, for obtaining the instruction enabling receiver；
Acquisition module 201, for obtaining the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
Processing module 202, for comparing with the standard auricle in memory module 204 according to the auricle information obtained, determine standard auricle type immediate with this user, in memory module 204, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Sending module 203, for sending current audio frequency parameter.
Memory module 204, is divided into ear different types of standard auricle type for storage according to pre-conditioned, and to every kind of standard auricle type according to distance values different between call terminal from user and decibel value, arranges the database information of the audio frequency parameter of correspondence.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, it is impossible to assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, it is also possible to make some simple deduction or replace, protection scope of the present invention all should be considered as belonging to.
Claims (10)
1. the method adjusting receiver audio frequency parameter, it is characterised in that described method includes:
Obtain the auricle information of user, obtain the distance value between call terminal and user, obtain the decibel value of call terminal local environment；
Auricle information and standard auricle according to obtaining are compared, it is determined that standard auricle type immediate with this user, determine current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Send current audio frequency parameter.
2. a kind of method adjusting receiver audio frequency parameter according to claim 1, it is characterised in that the step of the distance value between described acquisition call terminal and user includes:
Obtain the distance value between call terminal and ear or the face of user.
3. a kind of method adjusting receiver audio frequency parameter according to claim 1, it is characterised in that described method includes: in the described auricle information obtaining user, before the step of the distance value between acquisition call terminal and user:
According to pre-conditioned, ear is divided into different types of standard auricle type, and to every kind of standard auricle type according to distance values different between call terminal from user, the audio frequency parameter of correspondence is set.
4. a kind of method adjusting receiver audio frequency parameter according to claim 1, it is characterised in that described method includes: in the described auricle information obtaining user, before the step of the distance value between acquisition call terminal and user:
Obtain the instruction enabling receiver.
5. a kind of method adjusting receiver audio frequency parameter according to claim 1, it is characterised in that the auricle information of described acquisition user, obtains the distance value between call terminal and user, and the step of the decibel value obtaining call terminal local environment includes:
Shoot ear image by photographic head, obtain the auricle information of user；The distance value between receiver and the user of call terminal is obtained by range sensor；The decibel value of call terminal local environment is obtained by mike.
6. the device of an automatic adjustment receiver audio frequency parameter, it is characterised in that described device includes:
Acquisition module, for obtaining the auricle information of user, obtains the distance value between call terminal and user, obtains the decibel value of call terminal local environment；
Processing module, for comparing according to the auricle information obtained and standard auricle, it is determined that standard auricle type immediate with this user, determines current audio frequency parameter according to this user immediate standard auricle type, described distance value and described decibel value；
Sending module, for sending current audio frequency parameter.
7. a kind of device adjusting receiver audio frequency parameter according to claim 6, it is characterised in that acquisition module is used for the distance value obtaining between ear or the face of call terminal and user.
8. a kind of device adjusting receiver audio frequency parameter according to claim 6, it is characterized in that, described device also includes the memory module being connected with processing module, ear is divided into different types of standard auricle type for storage according to pre-conditioned by described memory module, and to every kind of standard auricle type according to distance values different between call terminal from user, the database information of the audio frequency parameter of correspondence is set.
9. a kind of device adjusting receiver audio frequency parameter according to claim 6, it is characterised in that described device also includes the detection module being connected with acquisition module, described detection module is for obtaining the instruction enabling receiver.
10. a kind of device adjusting receiver audio frequency parameter according to claim 6, it is characterised in that described acquisition module, for shooting ear image by photographic head, obtains the auricle information of user；The distance value between receiver and the user of call terminal is obtained by range sensor；The decibel value of call terminal local environment is obtained by mike.
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