CN104811155B - A kind of balanced device method of adjustment and device - Google Patents

A kind of balanced device method of adjustment and device Download PDF

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Publication number
CN104811155B
CN104811155B CN201510188767.6A CN201510188767A CN104811155B CN 104811155 B CN104811155 B CN 104811155B CN 201510188767 A CN201510188767 A CN 201510188767A CN 104811155 B CN104811155 B CN 104811155B
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sound pressure
frequency
pressure level
gain
response curve
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CN104811155A (en
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刘驭云
彭信龙
彭久高
吴海全
师瑞文
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Shenzhen Grandsun Electronics Co Ltd
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Shenzhen Grandsun Electronics Co Ltd
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Abstract

The present invention is applied to balanced device and adjusts field there is provided a kind of balanced device method of adjustment and device, and the balanced device method of adjustment includes:In the frequency response curve of input audio in real time, the corresponding sound pressure level of frequency is obtained;In pre-configured reference frequency response curve, the corresponding reference sound pressure value of the frequency is obtained;According to the sound pressure level, the reference sound pressure value and the sound pressure gain model pre-established, the corresponding sound pressure gain of the frequency is generated;In an equalizer, the corresponding sound pressure gain of the frequency is write;Wherein, the frequency response curve that above-mentioned reference frequency response curve customizes for individual subscriber, including multiple frequencies and the corresponding reference sound pressure value of frequency.Beneficial effect of the present invention is two aspects, on the one hand, can reduce adjustment time, regulated efficiency is improved, on the other hand, can be according to the hearing level of individual subscriber, gain to balanced device carries out personalized adjustment, and tonequality lifting when lifting audio is played improves the satisfaction of user.

Description

A kind of balanced device method of adjustment and device
Technical field
The invention belongs to balanced device adjustment field, more particularly to a kind of balanced device method of adjustment and device.
Background technology
Balanced device can adjust various frequency content electric signal amplification quantities respectively, pass through the electric signal to various different frequencies Regulation compensate the defect of loudspeaker and sound field, compensate and modify various sound sources and other special roles.Do not consider noise reduction because Element, when audio stream is exported by earphone, the different progress balanced device adjustment that existing most of earphone can be according to demand make sound Frequency shows different tone colors.
However, existing balanced device method of adjustment, adjustment time is long, it is impossible to according to the hearing level of individual subscriber, to equilibrium The gain of device carries out personalized adjustment, and tonequality lifting when audio is played is limited, it is difficult to improve the satisfaction of user.Its reason exists In, existing balanced device method of adjustment is the active accommodation of user, and most of user will according to the staining effect after adjustment come Further adjustment, the effect that such adjustment mode often needs longer time and obtained is limited.Allow user oneself go into The balanced device adjustment of row oneself is, it is necessary to reach best effect using the substantial amounts of time, and people must have the normal of correlation Know, perhaps beginning people can feel interesting, but slowly will lose novel sense, while influenceing its mood, debugging Efficiency will also decline.
In addition, same section audio allows different people to listen, obtained reaction is different, and these differences are not only Because the difference of user's perception, relevant also with the difference of people's hearing.Therefore can not be according to the hearing level of individual subscriber to equal The gain of weighing apparatus carries out personalized adjustment, and tonequality lifting when audio is played is limited.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of balanced device method of adjustment, it is intended to solve existing balanced device adjustment side Method, adjustment time is long, it is impossible to according to the hearing level of individual subscriber, and the gain to balanced device carries out personalized adjustment, and audio is broadcast Tonequality lifting when putting is limited, it is difficult to improve the satisfaction problem of user.
The embodiment of the present invention is achieved in that a kind of balanced device method of adjustment, including:
In the frequency response curve of the real-time input audio, the corresponding sound pressure level of frequency is obtained;
In pre-configured reference frequency response curve, the corresponding reference sound pressure value of the frequency is obtained;
According to the sound pressure level, the reference sound pressure value and the sound pressure gain model pre-established, the frequency is generated Corresponding sound pressure gain;
In an equalizer, the corresponding sound pressure gain of the frequency is write;
Wherein, the frequency response curve that above-mentioned reference frequency response curve customizes for individual subscriber, including multiple frequencies and frequency pair The reference sound pressure value answered.
The another object of the embodiment of the present invention is to provide a kind of balanced device adjusting apparatus, including:
Sound pressure level acquisition module, in the frequency response curve of input audio in real time, obtaining the corresponding sound pressure level of frequency;
Reference sound pressure value acquisition module, in pre-configured reference frequency response curve, obtaining the corresponding ginseng of the frequency Examine sound pressure level;
Sound pressure gain acquisition module, for according to the sound pressure level, the reference sound pressure value and the acoustic pressure pre-established Gain model, generates the corresponding sound pressure gain of the frequency;
Balanced device adjusting module, in an equalizer, writing the corresponding sound pressure gain of the frequency;
Wherein, the frequency response curve that above-mentioned reference frequency response curve customizes for individual subscriber, including multiple frequencies and frequency pair The reference sound pressure value answered.
In embodiments of the present invention, in an equalizer, the corresponding sound pressure gain of the frequency is write, existing equilibrium is solved Device method of adjustment, adjustment time is long, it is impossible to which, according to the hearing level of individual subscriber, the gain to balanced device carries out personalized tune Whole, tonequality lifting when audio is played is limited, it is difficult to improve the satisfaction problem of user.Its advantage is two aspects, one Aspect, it is possible to reduce adjustment time, improves regulated efficiency, on the other hand, can be according to the hearing level of individual subscriber, to equilibrium The gain of device carries out personalized adjustment, and tonequality when lifting audio is played improves the satisfaction of user.
Brief description of the drawings
Fig. 1 is the implementation process figure of balanced device method of adjustment provided in an embodiment of the present invention;
Fig. 2 is implementation process figure of the configuration provided in an embodiment of the present invention with reference to frequency response curve;
Fig. 3 is balanced device method of adjustment step S103 provided in an embodiment of the present invention the first implementation process figure;
Fig. 4 is balanced device method of adjustment step S103 provided in an embodiment of the present invention the second implementation process figure;
Fig. 5 is the structured flowchart of balanced device adjusting apparatus provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Embodiment one
Fig. 1 is the implementation process figure of balanced device method of adjustment provided in an embodiment of the present invention, and details are as follows:
In step S101, in the frequency response curve of input audio in real time, the corresponding sound pressure level of frequency is obtained;
In step s 102, in pre-configured reference frequency response curve, the corresponding reference sound pressure value of the frequency is obtained;
In step s 103, according to the sound pressure level, the reference sound pressure value and the sound pressure gain model pre-established, Generate the corresponding sound pressure gain of the frequency;
In step S104, in an equalizer, the corresponding sound pressure gain of the frequency is write;
Wherein, the frequency response curve that above-mentioned reference frequency response curve customizes for individual subscriber, including multiple frequencies and frequency pair The reference sound pressure value answered.
Wherein, in the frequency response curve of the real-time input audio, according to the corresponding sound pressure gain of the frequency, institute is adjusted State the corresponding sound pressure level of frequency.
Wherein, detect whether the mobile terminal accesses earphone;
When whether mobile terminal accesses earphone, the step for obtaining the audio output apparatus of output audio in mobile terminal is performed Suddenly.
Wherein, the corresponding sound pressure gain of the frequency is write, to adjust the corresponding sound pressure level of the frequency, changes input sound The frequency response curve of frequency.
In embodiments of the present invention, it is different to the susceptibility of different frequency range sound according to user, to the sound of different frequency range Using different sound pressure gains, so as to can both protect hearing, comfort level can also be improved, different user is obtained well Audition experience.
Embodiment two
Fig. 2 is the implementation process figure of configuration reference frequency response curve provided in an embodiment of the present invention, and details are as follows:
In step s 201, the pure tone of different frequent points is played;
In step S202, by recording control, the frequency that record user hears;
In step S203, according to the frequency that recorded, drafting refers to frequency response curve, frequency response curve is referred to configure.
In embodiments of the present invention, a hearing test is being carried out using preceding to each user, is playing different frequency Pure tone, user is to the susceptibility of different frequency audio for test, can configure and refer to frequency response curve.
Embodiment three
The present embodiment essentially describes the implementation process figure for setting up sound pressure gain model, and details are as follows:
Set up sound pressure gain model;
The sound pressure gain model, be specially:
G=α A+ β B-A, (alpha+beta=1,0<α<1,0<β<1);
Wherein, A is the corresponding sound pressure level of frequency, and B is the corresponding reference sound pressure value of frequency, and α is A weight coefficient, and β is B Weight coefficient, G be the corresponding sound pressure gain of frequency.
α and β initial value is 0.
In embodiments of the present invention, sound pressure gain model considers the shadow that people's ear structure and hearing difference are caused to audition Ring, therefore the sound pressure gain generated according to sound pressure gain model, tonequality can be effectively improved.
Example IV
Fig. 3 is balanced device method of adjustment step S103 provided in an embodiment of the present invention the first implementation process figure, is described in detail such as Under:
S301, the corresponding sound pressure level of the frequency is added with the sound pressure gain, generates the frequency corresponding new Sound pressure level;
S302, in an equalizer, when the new sound pressure level is not more than pre-configured sound pressure level scope, writes described new Sound pressure level replace the corresponding sound pressure level of the frequency.
Whether the new sound pressure level of detection is more than pre-configured sound pressure level scope, and it is corresponding that the sound pressure level scope includes frequency Sound pressure level higher limit;
When new sound pressure level is not more than pre-configured sound pressure level scope, writes new sound pressure level and replace the frequency correspondence Sound pressure level;
Wherein, frequency is corresponding with sound pressure level scope, and each frequency has a corresponding sound pressure level scope.
When new sound pressure level is more than sound pressure level scope, writes the corresponding sound pressure level higher limit of the frequency and replace the frequency The corresponding sound pressure level of point.
In embodiments of the present invention, due to being configured with sound pressure level scope, hearing user can be effectively protected, relative to existing skill Art, when can avoid the occurrence of user itself regulation equalizer gain, it is suitable that user is often more than with the gain that perception is obtained The situation of gain.For example, the db values of the frequency are arranged in threshold of pain (more than maximum audible range) region by user with perception, this Damage of the sample to hearing user is often unpredictable.And it is of the invention, sound pressure level scope is configured with, is not in impaired user The situation of hearing.
Embodiment five
Fig. 4 is balanced device method of adjustment step S103 provided in an embodiment of the present invention the second implementation process figure, is described in detail such as Under:
S401, when the corresponding sound pressure gain of frequency is not more than pre-configured sound pressure gain scope, by frequency correspondence Sound pressure level be added with the sound pressure gain, generate the corresponding new sound pressure level of the frequency;
S402, in an equalizer, writes the new sound pressure level and replaces the corresponding sound pressure level of the frequency.
Detect whether the corresponding sound pressure gain of frequency is more than pre-configured sound pressure gain scope, the sound pressure gain scope bag Include the corresponding sound pressure gain higher limit of frequency;
When the corresponding sound pressure gain of frequency is not more than pre-configured sound pressure gain scope, the corresponding sound pressure level of the frequency Plus the sound pressure gain, new sound pressure level is generated,
When the corresponding sound pressure gain of frequency is more than pre-configured sound pressure gain scope, the corresponding acoustic pressure of the frequency is chosen Upper gain limit value adds sound pressure gain higher limit, generates new sound pressure level.
In embodiments of the present invention, due to being configured with sound pressure gain scope, hearing user can effectively be protected, it is to avoid damage Hinder the situation of hearing user.
Embodiment five
The present embodiment mainly describes the present invention preferably application flow in actual applications, and details are as follows:
To each user using the preceding pure tone for carrying out a hearing test, playing different frequency, user is not to for test The susceptibility of same frequency audio, while collect the frequency response curve that receives of user using feedback element, as referring to frequency response curve, It will be compared with reference to frequency response curve with inputting the frequency response curve of audio, and combine the audio sensitivity of user and different frequency range is added Enter different sound pressure gains.For purposes of illustration only, details are as follows:
First, the pure tone of 3 frequencies (300,1000,1500hz) is played in hearing test, is 40 by equal loudness contour loudness The pure tone for locating each frequency all takes minimal hearing threshold db values, each 5 seconds, according to user feedback --- and do not hear, hear, give 3 Group sound pressure gain --- 5db, 0db;1db、0db;3db、0db;3 frequencies are corresponded to respectively.
Then, audio known to one section of frequency response curve is played, and is obtained from rear feedback link after broadcasting in user's ear chamber Frequency response curve, respectively taken on two curves 5 frequencies (100,300,1000,1500,2000hz), according to sound pressure gain model Right, the sound pressure level at the identical frequency of two curves is calculated;
Finally, the sound pressure gain obtained above is write in corresponding balanced device, completes adjustment;First and second may be selected Whether perform;
Set the corresponding sound pressure level higher limit of each frequency, can simply by sound pressure gain plus frequency sound pressure level again with threshold Value compares, and beyond frequency sound pressure level higher limit is then taken, is not otherwise limited.
In the present embodiment, it is different to the susceptibility of different frequency range sound according to user, the sound of different frequency range is used Different sound pressure gains, can make different user to obtain good audition experience.
Embodiment six
Fig. 5 is the structured flowchart of balanced device adjusting apparatus provided in an embodiment of the present invention, and the device can run on equilibrium In the electronic equipment of device.Electronic equipment includes but is not limited to earphone, audio amplifier, smart mobile phone, tablet personal computer, notebook computer.For It is easy to explanation, illustrate only part related to the present embodiment.
With reference to Fig. 5, the balanced device adjusting apparatus, including:
Sound pressure level acquisition module 51, in the frequency response curve of input audio in real time, obtaining the corresponding sound pressure level of frequency;
Reference sound pressure value acquisition module 52, in pre-configured reference frequency response curve, obtaining the frequency corresponding Reference sound pressure value;
Sound pressure gain acquisition module 53, for according to the sound pressure level, the reference sound pressure value and the sound pre-established Gain model is pressed, the corresponding sound pressure gain of the frequency is generated;
Balanced device adjusting module 54, in an equalizer, writing the corresponding sound pressure gain of the frequency;
Wherein, the frequency response curve that above-mentioned reference frequency response curve customizes for individual subscriber, including multiple frequencies and frequency pair The reference sound pressure value answered.
In a kind of implementation of the present embodiment, the sound pressure level acquisition module, including:
Pure tone playing module, the pure tone for playing different frequent points;
Frequency logging modle, for by recording control, the frequency that record user hears;
With reference to frequency response curve configuration module, for according to the frequency that recorded, drafting to refer to frequency response curve, to configure reference Frequency response curve.
In a kind of implementation of the present embodiment, in addition to:
Sound pressure gain model building module, sets up sound pressure gain model;
The sound pressure gain model, be specially:
G=α A+ β B-A, (alpha+beta=1,0<α<1,0<β<1);
Wherein, A is the corresponding sound pressure level of frequency, and B is the corresponding reference sound pressure value of frequency, and α is A weight coefficient, and β is B Weight coefficient, G be the corresponding sound pressure gain of frequency.
In a kind of implementation of the present embodiment, the balanced device adjusting module, including:
First generation unit, for the corresponding sound pressure level of the frequency to be added with the sound pressure gain, generates the frequency The corresponding new sound pressure level of point;
First writing unit, in an equalizer, when the new sound pressure level is not more than pre-configured sound pressure level scope When, write the new sound pressure level and replace the corresponding sound pressure level of the frequency.
In a kind of implementation of the present embodiment, the balanced device adjusting module, including:
Second generation unit, for when the corresponding sound pressure gain of frequency is not more than pre-configured sound pressure gain scope, inciting somebody to action The corresponding sound pressure level of the frequency is added with the sound pressure gain, generates the corresponding new sound pressure level of the frequency;
Second writing unit, in an equalizer, writes the new sound pressure level and replaces the corresponding sound pressure level of the frequency.
Device provided in an embodiment of the present invention can be applied in foregoing corresponding embodiment of the method, and details are referring to above-mentioned reality The description of example is applied, be will not be repeated here.
Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be borrowed Software is helped to add the mode of required common hardware to realize.Described program can be stored in read/write memory medium, described Storage medium, such as random access memory, flash memory, read-only storage, programmable read only memory, electrically erasable programmable storage Device, register etc..The storage medium is located at memory, and processor reads the information in memory, this hair is performed with reference to its hardware Method described in each bright embodiment.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in, all should It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.

Claims (8)

1. a kind of balanced device method of adjustment, it is characterised in that including:
In the frequency response curve of input audio in real time, the corresponding sound pressure level of frequency is obtained;
In pre-configured reference frequency response curve, the corresponding reference sound pressure value of the frequency is obtained;
According to the sound pressure level, the reference sound pressure value and the sound pressure gain model pre-established, the frequency correspondence is generated Sound pressure gain;
In an equalizer, the corresponding sound pressure gain of the frequency is write;
Wherein, above-mentioned reference frequency response curve be individual subscriber customize frequency response curve, including multiple frequencies and frequency it is corresponding Reference sound pressure value;
Wherein, in an equalizer, the corresponding sound pressure gain of the frequency is write, is specially:
The corresponding sound pressure level of the frequency is added with the sound pressure gain, the corresponding new sound pressure level of the frequency is generated;
In an equalizer, when the new sound pressure level is not more than pre-configured sound pressure level scope, the new sound pressure level is write Replace the corresponding sound pressure level of the frequency.
2. balanced device method of adjustment as claimed in claim 1, it is characterised in that in pre-configured reference frequency response curve, is obtained Before the corresponding reference sound pressure value of the frequency, the balanced device method of adjustment includes:
Play the pure tone of different frequent points;
By recording control, the frequency that record user hears;
According to the frequency that recorded, drafting refers to frequency response curve, frequency response curve is referred to configure.
3. balanced device method of adjustment as claimed in claim 1, it is characterised in that according to the sound pressure level, the reference sound pressure Before the sound pressure gain model for being worth and pre-establishing, the corresponding sound pressure gain of the generation frequency, the balanced device adjustment side Method includes:
Set up sound pressure gain model;
The sound pressure gain model, be specially:
G=α A+ β B-A, (alpha+beta=1,0<α<1,0<β<1);
Wherein, A is the corresponding sound pressure level of frequency, and B is the corresponding reference sound pressure value of frequency, and α is A weight coefficient, and β adds for B's Weight coefficient, G is the corresponding sound pressure gain of frequency.
4. balanced device method of adjustment as claimed in claim 1, it is characterised in that in an equalizer, writes the frequency corresponding Sound pressure gain, be specially:
When the corresponding sound pressure gain of frequency is not more than pre-configured sound pressure gain scope, by the corresponding sound pressure level of the frequency with The sound pressure gain is added, and generates the corresponding new sound pressure level of the frequency;
In an equalizer, write the new sound pressure level and replace the corresponding sound pressure level of the frequency.
5. a kind of balanced device adjusting apparatus, it is characterised in that including:
Sound pressure level acquisition module, in the frequency response curve of input audio in real time, obtaining the corresponding sound pressure level of frequency;
Reference sound pressure value acquisition module, in pre-configured reference frequency response curve, obtaining the corresponding reference sound of the frequency Pressure value;
Sound pressure gain acquisition module, for according to the sound pressure level, the reference sound pressure value and the sound pressure gain pre-established Model, generates the corresponding sound pressure gain of the frequency;
Balanced device adjusting module, in an equalizer, writing the corresponding sound pressure gain of the frequency;
Wherein, above-mentioned reference frequency response curve be individual subscriber customize frequency response curve, including multiple frequencies and frequency it is corresponding Reference sound pressure value;
Wherein, the balanced device adjusting module, including:
First generation unit, for the corresponding sound pressure level of the frequency to be added with the sound pressure gain, generates the frequency pair The new sound pressure level answered;
First writing unit, in an equalizer, when the new sound pressure level is not more than pre-configured sound pressure level scope, writing Enter the new sound pressure level and replace the corresponding sound pressure level of the frequency.
6. balanced device adjusting apparatus as claimed in claim 5, it is characterised in that the sound pressure level acquisition module, including:
Pure tone playing module, the pure tone for playing different frequent points;
Frequency logging modle, for by recording control, the frequency that record user hears;
With reference to frequency response curve configuration module, for according to the frequency that recorded, drafting to refer to frequency response curve, frequency response is referred to configure Curve.
7. balanced device adjusting apparatus as claimed in claim 5, it is characterised in that also include:
Sound pressure gain model building module, sets up sound pressure gain model;
The sound pressure gain model, be specially:
G=α A+ β B-A, (alpha+beta=1,0<α<1,0<β<1);
Wherein, A is the corresponding sound pressure level of frequency, and B is the corresponding reference sound pressure value of frequency, and α is A weight coefficient, and β adds for B's Weight coefficient, G is the corresponding sound pressure gain of frequency.
8. balanced device adjusting apparatus as claimed in claim 5, it is characterised in that the balanced device adjusting module, including:
Second generation unit, for when the corresponding sound pressure gain of frequency is not more than pre-configured sound pressure gain scope, by described in The corresponding sound pressure level of frequency is added with the sound pressure gain, generates the corresponding new sound pressure level of the frequency;
Second writing unit, in an equalizer, writes the new sound pressure level and replaces the corresponding sound pressure level of the frequency.
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Denomination of invention: Equalizer adjustment method and device

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Denomination of invention: A method and device for adjusting equalizers

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