CN109391875A - The adjustment method and device of audio, storage medium, processor - Google Patents
The adjustment method and device of audio, storage medium, processor Download PDFInfo
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- CN109391875A CN109391875A CN201811240270.4A CN201811240270A CN109391875A CN 109391875 A CN109391875 A CN 109391875A CN 201811240270 A CN201811240270 A CN 201811240270A CN 109391875 A CN109391875 A CN 109391875A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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Abstract
The invention discloses a kind of adjustment method of audio and device, storage medium, processors.Wherein, this method comprises: determining the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein target center frequency is the frequency at frequency response range center；In the case where the resistance value of the first digital regulation resistance determines, collected sound signal；Noise is judged whether there is by voice signal；In the presence of noise, the resistance value of the second digital regulation resistance is adjusted, wherein the second digital regulation resistance is for controlling sensitivity.When the present invention solves in the related technology manually progress audio detection, longer technical problem the time required to complicated for operation, debugging.
Description
Technical field
The present invention relates to audio detection fields, and the adjustment method and device, storage in particular to a kind of audio are situated between
Matter, processor.
Background technique
Audio detection is exactly to judge buzzer or with bee for judging whether buzzer issues the sound of assigned frequency
The quality of the product of ring device.Since audio detection board is installed in inside tooling (jig), and there are the detection of MCVF multichannel voice frequency,
Debugging is got up more troublesome.Each environmental change or equipment require to dismantle tooling (jig) progress when going wrong
Debugging, and MCVF multichannel voice frequency needs go to be debugged all the way, cause the time of debugging long.
For above-mentioned problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of adjustment method of audio and device, storage medium, processors, at least to solve
When manually carrying out audio detection in the related technology, longer technical problem the time required to complicated for operation, debugging.
According to an aspect of an embodiment of the present invention, a kind of adjustment method of audio is provided, comprising: in determining and target
The resistance value of corresponding first digital regulation resistance of frequency of heart, wherein target center frequency is the frequency at frequency response range center；?
In the case that the resistance value of first digital regulation resistance determines, collected sound signal；Noise is judged whether there is by voice signal；?
There are in the case where noise, the resistance value of the second digital regulation resistance is adjusted, wherein the second digital regulation resistance is for controlling sensitivity.
Optionally it is determined that the resistance value of the first digital regulation resistance corresponding with target center frequency, comprising: control audible device
Voice signal is generated with first frequency, wherein first frequency is the minimum frequency of frequency response range；Voice signal is obtained to disappear
First resistance value of point, the first resistance value are the resistance value of the first digital regulation resistance when voice signal disappears.
Optionally, the first resistance value of voice signal end point is obtained, comprising: repeat the following steps of preset times:
It controls the first digital regulation resistance resistance value and is incremented by from preset resistive value with the first preset step-length, obtain third resistance value, wherein third resistance value
To start to collect the resistance value of voice signal point；It controls the first digital regulation resistance resistance value and is passed from third resistance value with the second preset step-length
Subtract, obtains the 4th resistance value when voice signal disappears；Preset times the 4th resistance value of amount is averaged, the first resistance value is obtained,
Wherein, preset times amount is identical as the value of preset times.
Optionally it is determined that the resistance value of the first digital regulation resistance corresponding with target center frequency, comprising: control audible device
Voice signal is generated with target center frequency；The second resistance value of voice signal end point is obtained, the second resistance value disappears for voice signal
The resistance value of first digital regulation resistance when mistake.
Optionally, the second resistance value of voice signal end point is obtained, comprising: repeat the following steps of preset times:
It controls the first digital regulation resistance resistance value and is incremented by from preset resistive value with third preset step-length, obtain the 5th resistance value, wherein the 5th resistance value
To start to collect the resistance value of voice signal point；It controls the first digital regulation resistance resistance value and is passed from the 5th resistance value with the 4th preset step-length
Subtract, obtains the 6th resistance value when voice signal disappears；Preset times the 6th resistance value of amount is averaged, the second resistance value is obtained,
Wherein, preset times amount is identical as the value of preset times.
Optionally, the frequency at frequency response range center determines in the following manner: changing in the frequency of control voice signal
During change, the frequency for controlling voice signal gradually reaches second according to the first predeterminated frequency step-length from the first predeterminated frequency and presets
Frequency, wherein first frequency is less than the second predeterminated frequency；Sound signal collecting point a and signal are determined in frequency change procedure
End point b, wherein a is the point that signal occurs in frequency change procedure, and b is blackout point in frequency change procedure；Control frequency
Rate, with the second predeterminated frequency increments, obtains blackout point c from signal acquisition point a；Control frequency from blackout point b with
Third predeterminated frequency increments obtain blackout point d；Determine frequency response range, wherein frequency response range is d point
Frequency to c point frequency.
Optionally, noise is judged whether there is by voice signal, comprising: determine the resistance value and mesh of frequency-selective digital potentiometer
The difference for marking resistance value, obtains target difference；Judge whether target difference is greater than preset difference value；It is greater than preset difference value in target difference
In the case where, determine that there are noises.
Optionally, noise is judged whether there is by voice signal, comprising: the resistance value of the second digital regulation resistance of setting；It adopts
Collect the voice signal of audible device；If collecting voice signal, determine that there are noises.
Optionally, in the presence of noise, the resistance value of the second digital regulation resistance is adjusted, comprising: in the number of control first
In the case that the resistance value of word potentiometer is constant, the voice signal of audible device is acquired；According to voice signal, the second number electricity is determined
The resistance value of position device, wherein resistance value is that the resistance value for the sensitivity for starting to collect sound subtracts preset value.
According to another aspect of an embodiment of the present invention, a kind of debugging apparatus of audio is additionally provided, comprising: determination unit,
For determining the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein target center frequency is frequency response
The frequency at range center；Acquisition unit, for the first digital regulation resistance resistance value determine in the case where, collected sound signal；
Judging unit, for judging whether there is noise by voice signal；Adjustment unit, in the presence of noise, adjusting
The resistance value of whole second digital regulation resistance, wherein the second digital regulation resistance is for controlling sensitivity.
According to another aspect of an embodiment of the present invention, a kind of storage medium is additionally provided, storage medium includes the journey of storage
Sequence, wherein equipment where control storage medium executes the adjustment method of above-mentioned audio in program operation.
According to another aspect of an embodiment of the present invention, a kind of processor is additionally provided, processor is used to run program,
In, program executes the adjustment method of above-mentioned audio when running.
In embodiments of the present invention, frequency-selecting slide rheostat is replaced using digital regulation resistance, makes single-chip microcontroller control number electric
The resistance value of position device carries out frequency-selecting, makes the required frequency of centre frequency, using digital regulation resistance instead of the sliding of adjustment of sensitivity
Rheostat then turns down sensitivity judging that noise exists, is finally reached and collects voice signal when buzzer response, do not ring
When do not acquire the mode of voice signal, by determining the resistance value of the first digital regulation resistance corresponding with target center frequency,
In, target center frequency is the frequency at frequency response range center；In the case where the resistance value of the first digital regulation resistance determines, adopt
Collect voice signal；Noise is judged whether there is by voice signal；In the presence of noise, the second digital regulation resistance is adjusted
Resistance value, wherein the second digital regulation resistance has reached and has taken a compromise between noise and product sound for controlling sensitivity
Sensitivity so that circuit can not only collect product sound but also can remove the influence purpose of noise, to realize in sound
Frequency easy to operate, time saving technical effect when detecting, and then solve and manually carry out audio in the related technology
When detection, longer technical problem the time required to complicated for operation, debugging.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the adjustment method of audio according to an embodiment of the present invention；
Fig. 2 is a kind of circuit diagram of SCVF single channel voice frequency detection circuit according to an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of SCVF single channel voice frequency detection circuit according to an embodiment of the present invention；
Fig. 4 is a kind of structure chart of the debugging apparatus of audio according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Audio detection is exactly to judge buzzer or with bee for judging whether buzzer issues the sound of assigned frequency
The quality of the product of ring device.Since audio detection board is installed in inside tooling (jig), and there are the detection of MCVF multichannel voice frequency,
Debugging is got up more troublesome.Each environmental change or equipment require to dismantle tooling (jig) progress when going wrong
Debugging, and MCVF multichannel voice frequency need all the way go to be debugged, cause debugging time it is long.
To solve the above problems, the embodiment of the present application provides corresponding solution, it is described further below.
Firstly the need of a frequency-selecting slide rheostat is adjusted, this slide rheostat is that circuit is allowed to generate anti-assigned frequency
It answers, for example needs to react the frequency of 4KHz, it is necessary to the value of slide rheostat be transferred to relatively preferable state, allow choosing
The centre frequency of frequency is near 4KHz frequency, and usually we are to reach this state by manually adjusting slide rheostat,
But be adjusted automatically if necessary to it, then it needs this slide rheostat to be replaced with digital regulation resistance, then uses monolithic
Machine goes to control the resistance value of this digital regulation resistance, can thus not have to frequent tooling (jig) of dismantling and remove debugging, Ke Yitong
The auto-programming for crossing monolithic can allow the audio detection of multichannel to debug automatically, both saved the time or saved strength.
Using the slide rheostat of digital regulation resistance substitution adjustment of sensitivity, when identification noise is excessive or sound is too small
When can automatic de-regulation sensitivity influence of noise is small to reach, buzzer sound also can one of normal acquisition select in shape
State.
According to embodiments of the present invention, a kind of embodiment of the method for the debugging of audio is provided, it should be noted that in attached drawing
Process the step of illustrating can execute in a computer system such as a set of computer executable instructions, although also,
Logical order is shown in flow charts, but in some cases, can be executed with the sequence for being different from herein it is shown or
The step of description.
Fig. 1 is a kind of flow chart of the adjustment method of audio according to an embodiment of the present invention, as shown in Figure 1, this method packet
Include following steps:
Step S102 determines the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein target's center's frequency
Rate is the frequency at frequency response range center；
Wherein, the first digital regulation resistance is for adjusting frequency.
Fig. 2 is a kind of circuit diagram of SCVF single channel voice frequency detection circuit according to an embodiment of the present invention, is at left arrow in figure
Microphone interface, intermediate small arrow are at power supply power supply, and the downward arrow in the right is at output；Left side chip is LM386, right
Side chip is LM567.
Fig. 3 is a kind of schematic diagram of SCVF single channel voice frequency detection circuit according to an embodiment of the present invention, as shown in figure 3, the application
The course of work of embodiment SCVF single channel voice frequency detection circuit is as follows:
Collected sound signal；Voice signal is handled to obtain acquisition signal；Judge voice signal frequency whether be
Target frequency；In the case where frequency is target frequency, low level is exported；In the case where frequency is not target frequency, output
High level.Wherein, voice signal is handled to obtain acquisition signal to include: that voice signal is converted to voltage waveform, is obtained
First voltage waveform；First voltage waveform is amplified, second voltage waveform is obtained, using the second voltage waveform as acquisition
Signal.
Specifically, microphone is connected to microphone interface first, becomes voice signal sound collection by microphone
At voltage waveform, voltage waveform is small-signal at this time, is then amplified, is put to small-signal by LM386 amplification chip
Signal after big is transmitted further to coding chip LM567, can identify whether the signal of acquisition is fixed by coding chip
Frequency, for example, we acquire buzzer frequency be 4KHZ, if buzzer with 4KHZ in sound, pass through, export a low electricity
It is flat, it if buzzer is not passed through if loud or buzzer is not rung with 4KHZ, exporting at this time is high level, to judge
Identify fixed frequency acoustic signal.
When we using when generally require scene and debug, the frequency acquired when environment transformation is inclined
It moves, for example having mixed up the centre frequency of acquisition is 4KHz, input voltage can change when the environment changes, to input electricity
Pressure, which changes, influences whether centre frequency, 4KHz is offset from, and noise can also change when the environment changes, if noise
Bigger than normal, that is it may be desired to turn down sensitivity to shield the influence of noise, but sensitivity again cannot be too low, because of product
Intensity of sound vary again, the smallest signal can lower than 50dB but will not be lower than 40dB, so the spirit of sound collection
Sensitivity is also required to relatively high, it would be desirable to be able to collect product actually the smallest voice signal, so we need to take one it is suitable
Sensitivity can collect the sound of needs again not by the influence of noise.
Field adjustable needs frequent operation host computer and needs frequently to open tooling (jig) and go to carry out debugging audio to adopt
Collect board, and cooperate and could debug between host computer operation and jig board, debugging cycle is long.So using two numbers
Potentiometer to replace the slide rheostat and frequency-selecting slide rheostat of adjustment of sensitivity respectively, and uses monolithic processor controlled side
Formula come realize audio collection optimization and sensitivity compromise selection.
The resistance value of first digital regulation resistance needed for user can directly determine, according to the corresponding relationship of frequency and resistance value, really
Required frequency can be determined by determining frequency or user, according to the corresponding relationship of frequency and resistance value, determine resistance value, wherein frequency with
The corresponding relationship of resistance value are as follows:
In the embodiment of the present application, the frequency at frequency response range center can determine in the following manner:
In the frequency change procedure of control voice signal, the frequency of voice signal is controlled from the first predeterminated frequency according to the
One predeterminated frequency step-length gradually reaches the second predeterminated frequency, wherein first frequency is less than the second predeterminated frequency；In frequency shift
Sound signal collecting point a and blackout point b is determined in journey, wherein a is the point that signal occurs in frequency change procedure, and b is frequency
Blackout point during rate changes；Frequency is controlled from signal acquisition point a with the second predeterminated frequency increments, signal is obtained and disappears
Lose point c；Frequency is controlled from blackout point b with third predeterminated frequency increments, obtains blackout point d；Determine that frequency is rung
Answer range, wherein frequency response range be d point frequency to c point frequency.
In an alternative embodiment, for example, acquiring the sound of 4KHz if necessary, a resistance value=1.5K is taken first
(this resistance value can make the frequency of acquisition near 4KHz, pass throughAvailable, wherein C5 can take
0.1UF), it next allows frequency from 3KHz to 5KHz, is acquired every 100Hz, record starts to collect the frequency of signal a point
To two points of blackout point b, then subtracted down from the frequency of signal acquisition point a with the interval of every 10Hz, until signal
The frequency of end point c is reduced to down with the interval of every 10Hz from the frequency of b point and just collects signaling point d, and so latter two subtracts each other
To frequency response range.
In the embodiment of the present application can control response in the following manner frequency:
1) control audible device with first frequency generate voice signal, wherein first frequency be frequency response range most
Small frequency；Wherein, occurrence of equipment can be buzzer.
The first resistance value of voice signal end point is obtained, the first resistance value is the first digital regulation resistance when voice signal disappears
Resistance value.
Wherein, the process for obtaining the first resistance value of voice signal end point is as follows:
Repeat the following steps of preset times: the first digital regulation resistance resistance value of control is default with first from preset resistive value
Step-length is incremented by, and obtains third resistance value, wherein third resistance value is the resistance value for starting to collect voice signal point；The first number of control
Potentiometer resistance is successively decreased from third resistance value with the second preset step-length, obtains the 4th resistance value when voice signal disappears；
Preset times the 4th resistance value of amount is averaged, obtains the first resistance value, wherein preset times amount and preset times
Value it is identical.
The embodiment of the present application provides a kind of alternative embodiment: (second counts the sound of acquisition 4KHz during being somebody's turn to do if necessary
Word potentiometer R16=1K, sensitivity is lower at this time), taking a resistance value=1.5K first, (this resistance value can make the frequency of acquisition
Rate passes through near 4KHzAvailable, wherein C5 can take 0.1UF), for example be that frequency bandwidth is
320Hz (i.e. frequency response range is 3840Hz-4160Hz), then allow buzzer to ring always with the fixed frequency of 3840Hz
(3840Hz is the minimum frequency of frequency response range, i.e. 3840Hz is above-mentioned first frequency), then allows the first digital regulation resistance
Resistance value up add from every 100 Europe, the Europe 1K, determine that every 10 Europe subtracts down again after just collecting the resistance value of signal, obtains signal
The point of disappearance, then the resistance value of tracer signal end point, then comes twice again, obtains three the 4th resistance values, resistance value is differed
The 4th resistance value no more than 20 is averaged, and obtains the first resistance value.
2) control audible device generates voice signal with target center frequency；
The second resistance value of voice signal end point is obtained, the second resistance value is the first digital regulation resistance when voice signal disappears
Resistance value.
Obtain the second resistance value of voice signal end point, comprising:
Repeat the following steps of preset times: the first digital regulation resistance resistance value of control is default with third from preset resistive value
Step-length is incremented by, and obtains the 5th resistance value, wherein the 5th resistance value is the resistance value for starting to collect voice signal point；The first number of control
Potentiometer resistance is successively decreased from the 5th resistance value with the 4th preset step-length, obtains the 6th resistance value when voice signal disappears；
Preset times the 6th resistance value of amount is averaged, obtains the second resistance value, wherein preset times amount and preset times
Value it is identical.
The embodiment of the present application provides a kind of alternative embodiment: buzzer being allowed to ring (the process always with the fixed frequency of 4KHz
In the second digital regulation resistance R16=1K, sensitivity is lower at this time), then allow resistance value up to add from every 100 Europe, the Europe 1K, determine rigid
It collects after the resistance value of signal every 10 Europe again to subtract down until voice signal disappears, determines the resistance value of blackout point, obtain
6th resistance value, comes twice again, obtains three the 6th resistance values, and sixth resistance value of the resistance value difference no more than 20 is averaged, is obtained
To the second resistance value.
1) and 2) in the embodiment of the present application, 1, it can be used while obtaining multiple 4th resistance values and the using the method in
Six resistance values, multiple 4th resistance values and the 6th resistance value by average value no more than 20 are averaged as resistance value r7 or 2, make
1) and 2) the first resistance value and the second resistance value are obtained with the method in, takes the first resistance value and the second resistance value average value as resistance value r7,
Or 3,1) and 2) using the method in take multiple measurements to obtain at least two first resistance values and at least two second resistance values, take
All first class values and the average value of the second resistance value are as resistance value r7.
Step S104, in the case where the resistance value of the first digital regulation resistance determines, collected sound signal；
Step S106 judges whether there is noise by voice signal；
In the embodiment of the present application, it can be judged by the following manner with the presence or absence of noise:
1) resistance value of frequency-selective digital potentiometer and the difference of target resistance value are determined, target difference is obtained；Judge target difference
Whether preset difference value is greater than；In the case where target difference is greater than preset difference value, determine that there are noises.
2) resistance value of the second digital regulation resistance is set；Acquire the voice signal of audible device；If collecting voice signal,
Determine that there are noises.
In a kind of optional embodiment: 1) using formula(wherein, f indicates the frequency of voice signal
Rate), the value of R7 is calculated, judges that r7 and R7 above subtract each other whether less than 100, if it is greater than 100, it was demonstrated that noise is excessive to be caused
Equipment is unable to normal acquisition sound, wherein R7 is the theoretical value obtained by above-mentioned formula, and r7 is using obtained by the above method
Actual value；2) it allows buzzer not ring, is r7 in resistance value, go progress sound to adopt in the higher situation of sensitive (R16=2K ohm) degree
Collection, if collecting sound, that just represents 4KHz frequency and the noise of a certain range of frequency of 4KHz exists, noise meeting
There is a little influence to the operation of equipment；3) it allows single-chip microcontroller control buzzer to be interrupted with 4KHz and rings (R16=2K ohm), work as buzzer
It is collected when ringing, the then influence almost without noise is not acquired when not ringing, if not then there is interruption noise effect.
Step S108 adjusts the resistance value of the second digital regulation resistance in the presence of noise, wherein the second number electricity
Position device is for controlling sensitivity.
In the embodiment of the present application, the slide rheostat of adjustment of sensitivity is replaced using a digital regulation resistance；Noise is deposited
Then using R16=1K as radix, sensitivity are turned up in every increase by 100, are controlled buzzer particular up to single-chip microcontroller and are interrupted sound with 4KHz,
It collects when buzzer is rung, is not acquired when not ringing.Or buzzer is allowed not ring, the resistance value of r7 is constant, slowly increases sensitive
Degree removes acquisition sound, and to after the point for just collecting sound, resistance value is subtracted the 50 value R16 for determining the second digital regulation resistance.
Through the above steps, the frequency automatic adjustment digital regulation resistance that can according to need, reaches automatic adjustments responsive frequency
Rate is to required frequency and reaches a preferable state, and the spirit of a compromise can be taken between noise and product sound
Sensitivity, so that circuit not only can collect product sound but also can remove the influence of noise, it can be without opening tooling (jig)
The debugging of one key of computer can be carried out, it is time saving and energy saving, greatly shorten debug time.
According to embodiments of the present invention, a kind of embodiment of the method for the debugging of audio is provided, Fig. 4 is to implement according to the present invention
A kind of structure chart of the debugging apparatus of audio of example, as shown in figure 4, this method comprises the following steps:
Determination unit 40, for determining the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein target
Centre frequency is the frequency at frequency response range center；
Acquisition unit 42, for the first digital regulation resistance resistance value determine in the case where, collected sound signal；
Judging unit 44, for judging whether there is noise by voice signal；
Adjustment unit 46, in the presence of noise, adjusting the resistance value of the second digital regulation resistance, wherein second
Digital regulation resistance is for controlling sensitivity.
In the application alternative embodiment, determination unit 40 includes:
First control module generates voice signal for controlling audible device with first frequency, wherein first frequency is frequency
The minimum frequency of rate response range；
First obtains module, and for obtaining the first resistance value of voice signal end point, the first resistance value is voice signal disappearance
When the first digital regulation resistance resistance value.
Wherein, the first acquisition module includes:
First control submodule, for repeating the following steps of preset times: the first digital regulation resistance resistance value of control
It is incremented by from preset resistive value with the first preset step-length, obtains third resistance value, wherein third resistance value is to start to collect voice signal point
Resistance value；It controls the first digital regulation resistance resistance value and is successively decreased from third resistance value with the second preset step-length, when obtaining voice signal disappearance
The 4th resistance value；
First acquisition submodule obtains the first resistance value for preset times the 4th resistance value of amount to be averaged, wherein
Preset times amount is identical as the value of preset times.
In the application alternative embodiment, determination unit 40 includes:
Second control module generates voice signal for controlling audible device with target center frequency；
Second obtains module, and for obtaining the second resistance value of voice signal end point, the second resistance value is voice signal disappearance
When the first digital regulation resistance resistance value.
Wherein, the second acquisition module includes:
Second control submodule, for repeating the following steps of preset times: the first digital regulation resistance resistance value of control
It is incremented by from preset resistive value with third preset step-length, obtains the 5th resistance value, wherein the 5th resistance value is to start to collect voice signal point
Resistance value；It controls the first digital regulation resistance resistance value and is successively decreased from the 5th resistance value with the 4th preset step-length, when obtaining voice signal disappearance
The 6th resistance value；
Second acquisition submodule obtains the second resistance value for preset times the 6th resistance value of amount to be averaged, wherein
Preset times amount is identical as the value of preset times.
Optionally it is determined that unit 40 includes:
Third control module, in the frequency change procedure of control voice signal, control the frequency of voice signal from
First predeterminated frequency gradually reaches the second predeterminated frequency according to the first predeterminated frequency step-length, wherein first frequency is pre- less than second
If frequency；
First determining module, for determining sound signal collecting point a and blackout point b in frequency change procedure,
In, a is the point that signal occurs in frequency change procedure, and b is blackout point in frequency change procedure；
4th control module obtains signal for controlling frequency from signal acquisition point a with the second predeterminated frequency increments
End point c；
5th control module obtains signal for controlling frequency from blackout point b with third predeterminated frequency increments
End point d；
Second determining module, for determining frequency response range, wherein frequency response range is the frequency of d point to c point
Frequency.
In the application alternative embodiment, judging unit 44 includes:
Third determining module obtains goal discrepancy for determining the resistance value of frequency-selective digital potentiometer and the difference of target resistance value
Value；
Judgment module, for judging whether target difference is greater than preset difference value；
4th determining module, for determining that there are noises in the case where target difference is greater than preset difference value.
In the application alternative embodiment, judging unit 44 includes:
Setup module, for the resistance value of the second digital regulation resistance to be arranged；
Acquisition module, for acquiring the voice signal of audible device；
5th determining module, if determining that there are noises for collecting voice signal.
In the application alternative embodiment, adjustment unit 46 includes:
Acquisition module, for acquiring the sound of audible device in the case where the resistance value for controlling the first digital regulation resistance is constant
Sound signal；
Determining module, for determining the resistance value of the second digital regulation resistance according to voice signal, wherein resistance value is to start to adopt
The resistance value for collecting the sensitivity of sound subtracts preset value.
It should be noted that the preferred embodiment of embodiment illustrated in fig. 4, may refer to the associated description of Fig. 1 to 3, this
Place repeats no more.
The embodiment of the present application also provides a kind of storage medium, storage medium includes the program of storage, wherein is transported in program
Equipment where controlling storage medium when row executes the adjustment method of above-mentioned audio.
The embodiment of the present application also provides a kind of processor, processor is for running program, wherein program executes when running
The adjustment method of above-mentioned audio.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of adjustment method of audio characterized by comprising
Determine the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein the target center frequency is frequency
The frequency at response range center；
In the case where the resistance value of first digital regulation resistance determines, collected sound signal；
Noise is judged whether there is by the voice signal；
In the presence of noise, the resistance value of the second digital regulation resistance is adjusted, wherein second digital regulation resistance is for controlling
Sensitivity processed.
2. the method according to claim 1, wherein determining the corresponding with target center frequency first digital current potential
The resistance value of device, comprising:
It controls audible device and voice signal is generated with first frequency, wherein the first frequency is the minimum of frequency response range
Frequency；
Obtain the first resistance value of the voice signal end point, first resistance value be when the voice signal disappears described in first
The resistance value of digital regulation resistance.
3. according to the method described in claim 2, wrapping it is characterized in that, obtain the first resistance value of the voice signal end point
It includes:
Repeat the following steps of preset times: control the first digital regulation resistance resistance value is default with first from preset resistive value
Step-length is incremented by, and obtains third resistance value, wherein the third resistance value is the resistance value for starting to collect voice signal point；Described in control
First digital regulation resistance resistance value is successively decreased from the third resistance value with the second preset step-length, and the 4th resistance when voice signal disappears is obtained
Value；
Preset times amount the 4th resistance value is averaged, first resistance value is obtained, wherein the preset times amount with
The value of the preset times is identical.
4. the method according to claim 1, wherein determining the corresponding with target center frequency first digital current potential
The resistance value of device, comprising:
It controls audible device and voice signal is generated with the target center frequency；
Obtain the second resistance value of the voice signal end point, second resistance value be when the voice signal disappears described in first
The resistance value of digital regulation resistance.
5. according to the method described in claim 4, wrapping it is characterized in that, obtain the second resistance value of the voice signal end point
It includes:
Repeat the following steps of preset times: control the first digital regulation resistance resistance value is default with third from preset resistive value
Step-length is incremented by, and obtains the 5th resistance value, wherein the 5th resistance value is the resistance value for starting to collect voice signal point；Described in control
First digital regulation resistance resistance value is successively decreased from the 5th resistance value with the 4th preset step-length, and the 6th resistance when voice signal disappears is obtained
Value；
Preset times amount the 6th resistance value is averaged, second resistance value is obtained, wherein the preset times amount with
The value of the preset times is identical.
6. the method according to claim 1, wherein the frequency at the frequency response range center passes through with lower section
Formula determines:
In the frequency change procedure for controlling the voice signal, the frequency for controlling the voice signal is pressed from the first predeterminated frequency
The second predeterminated frequency is gradually reached according to the first predeterminated frequency step-length, wherein first frequency is less than the second predeterminated frequency；
Sound signal collecting point a and blackout point b is determined in the frequency change procedure, wherein a is the frequency shift
The point that signal occurs in the process, b are blackout point in the frequency change procedure；
Frequency is controlled from signal acquisition point a with the second predeterminated frequency increments, obtains blackout point c；
Frequency is controlled from blackout point b with third predeterminated frequency increments, obtains blackout point d；
Determine frequency response range, wherein the frequency response range be d point frequency to c point frequency.
7. being wrapped the method according to claim 1, wherein judging whether there is noise by the voice signal
It includes:
It determines the resistance value of frequency-selective digital potentiometer and the difference of target resistance value, obtains target difference；
Judge whether the target difference is greater than preset difference value；
In the case where the target difference is greater than preset difference value, determine that there are the noises.
8. being wrapped the method according to claim 1, wherein judging whether there is noise by the voice signal
It includes:
The resistance value of second digital regulation resistance is set；
Acquire the voice signal of audible device；
If collecting the voice signal, determine that there are noises.
9. the method according to claim 1, wherein in the presence of noise, adjusting the second digital current potential
The resistance value of device, comprising:
In the case where the resistance value for controlling first digital regulation resistance is constant, the voice signal of audible device is acquired；
According to the voice signal, the resistance value of second digital regulation resistance is determined, wherein the resistance value is to start to collect sound
The resistance value of the sensitivity of sound subtracts preset value.
10. a kind of debugging apparatus of audio characterized by comprising
Determination unit, for determining the resistance value of the first digital regulation resistance corresponding with target center frequency, wherein in the target
Frequency of heart is the frequency at frequency response range center；
Acquisition unit, for first digital regulation resistance resistance value determine in the case where, collected sound signal；
Judging unit, for judging whether there is noise by the voice signal；
Adjustment unit, in the presence of noise, adjusting the resistance value of the second digital regulation resistance, wherein second number
Word potentiometer is for controlling sensitivity.
11. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein run in described program
When control the storage medium where equipment perform claim require any one of 1 to 9 described in audio adjustment method.
12. a kind of processor, which is characterized in that the processor is for running program, wherein right of execution when described program is run
Benefit require any one of 1 to 9 described in audio adjustment method.
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