CN104640049B - A kind of method and system for distinguishing the earphone for whether supporting speech voice input function - Google Patents
A kind of method and system for distinguishing the earphone for whether supporting speech voice input function Download PDFInfo
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- CN104640049B CN104640049B CN201310554760.2A CN201310554760A CN104640049B CN 104640049 B CN104640049 B CN 104640049B CN 201310554760 A CN201310554760 A CN 201310554760A CN 104640049 B CN104640049 B CN 104640049B
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Abstract
The present invention provides a kind of method and system for the earphone distinguished and whether support speech voice input function：The earphone without mic functions is inserted, starts sound-recording function after recording parameter is set, generates the first recording data；Analog-digital converter obtains the first recording data of 320 points as the first Analog-digital Converter sampled value from first recording data；Calculate the mean difference x of the first Analog-digital Converter sampled value；Again insertable into earphone is appointed, set with starting sound-recording function after earphone identical recording parameter of the insertion without mic functions, generate the second recording data；Analog-digital converter obtains the second recording data of 320 points as the second Analog-digital Converter sampled value from the second recording data；Calculate the mean difference y of the second Analog-digital Converter sampled value；If the absolute value of mean difference y and mean difference x difference is more than predetermined threshold value, confirm described in again insertable into earphone be the earphone that has mic functions, it is on the contrary then be the earphone without mic functions.
Description
Technical field
It is more particularly to a kind of to distinguish whether support that voice is defeated the present invention relates to mobile device audio peripheral hardware detection technique field
Enter the method and system of the earphone of function.
Background technology
In recent years, with the development of various audio-visual equipment, also there are various related peripheral products.From early stage with
Body listen and CD player on the earphone for not supporting speech voice input function, the support speech voice input function used till now on intelligent machine
Earphone.In order to all support these earphones in present equipment, then system is just needed to distinguish both equipment, so as to real
Existing different audio strategy.
At present, realizing the method for detection mainly has two kinds, and a kind of is the detection that hardware audio chip itself supports the function,
This just needs to consider when Model Selection Scheme, still, because the function is trickleer, it is easy to the personnel of being developed ignore,
Cause the later stage can not realize differentiation.Another kind, which mainly passes through in hardware design, adds additional circuit, or operating system bottom
Register manipulation audio register obtain that the mode of bias voltage whether there is phonetic entry to distinguish（Mic）Function, this side
Method is more complicated, and flexibility is relatively low, requires higher to developer's own level, and can extend the construction cycle.
The content of the invention
The method and system of the earphone of speech voice input function whether is supported it is an object of the invention to provide a kind of differentiation, with
Solve whether prior art differentiation supports that the method for the earphone of speech voice input function is complicated, flexibility is low, to developer itself water
It is flat to require the problem of higher.
In order to solve the above technical problems, the present invention provides a kind of side for the earphone distinguished and whether support speech voice input function
Method, including：
An earphone without speech voice input function is inserted, starts sound-recording function, the recording number of generation first after recording parameter is set
According to；
Analog-digital converter obtains the first recording data of 320 points as the first simulation from first recording data
Numeral conversion sampled value；
Calculate the mean difference x of the first Analog-digital Converter sampled value；
Again insertable into any earphone, set with starting after the one earphone identical recording parameter without speech voice input function of insertion
Sound-recording function, generate the second recording data；
Analog-digital converter obtains the second recording data of 320 points as the second simulation from second recording data
Numeral conversion sampled value；
Calculate the mean difference y of the second Analog-digital Converter sampled value；
If the absolute value of mean difference y and mean difference x difference is more than predetermined threshold value, confirm described in again insertable into earphone
It is on the contrary then be the earphone without speech voice input function to there is an earphone of speech voice input function.
Further, in whether described differentiation supports the method for earphone of speech voice input function, the recording parameter
Including：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
Further, in whether described differentiation supports the method for earphone of speech voice input function, in insertion one without language
In the step of earphone of sound input function, after the insertion of system detectio to earphone, the voice that audio input is arranged to system is defeated
Enter, audio output is arranged to earphone output, while earphone insertion event is reported to upper level applications.
Further, in whether described differentiation supports the method for earphone of speech voice input function, described in confirmation again
After the step of type of the earphone of insertion, in addition to：
According to the type of the earphone, audio strategy is reset.
Further, in whether described differentiation supports the method for earphone of speech voice input function, the audio strategy
For：
When the earphone is the earphone without speech voice input function, audio input is arranged to the phonetic entry of system, will
Audio output is arranged to earphone output；
When the earphone is the earphone for having speech voice input function, any operation is not done, is directly exited.
Meanwhile the present invention also provides a kind of system for the earphone distinguished and whether support speech voice input function, including：
First generation module, for inserting an earphone without speech voice input function, start recording work(after recording parameter is set
Can, generate the first recording data；
Analog-digital converter, the first recording data for obtaining 320 points from first recording data are used as the
One Analog-digital Converter sampled value；
First acquisition module, for calculating the mean difference x of the first Analog-digital Converter sampled value；
Second generation module, for again insertable into any earphone, setting with inserting an earphone phase without speech voice input function
Start sound-recording function after same recording parameter, generate the second recording data；
Analog-digital converter, it is additionally operable to obtain the second recording data conduct of 320 points from second recording data
Second Analog-digital Converter sampled value；
Second acquisition module, for calculating the mean difference y of the second Analog-digital Converter sampled value；
Judge module, if the absolute value for mean difference y and mean difference x difference is more than predetermined threshold value, described in confirmation
Again insertable into earphone be the earphone that has speech voice input function, it is on the contrary then be the earphone without speech voice input function.
Further, in whether described differentiation supports the system of earphone of speech voice input function, it is characterised in that institute
Stating recording parameter includes：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
Further, in whether described differentiation supports the system of earphone of speech voice input function, in addition to first sets
Module is put, after the insertion for system detectio to the earphone of the first generation module, the voice that audio input is arranged to system is defeated
Enter, audio output is arranged to earphone output, while earphone insertion event is reported to upper level applications.
Further, in whether described differentiation supports the system of earphone of speech voice input function, in addition to：Second sets
Module is put, for the type according to the earphone, resets audio strategy.
Further, in whether described differentiation supports the system of earphone of speech voice input function, set described second
Put in module, when the earphone is the earphone without speech voice input function, audio input is arranged to the phonetic entry of system, will
Audio output is arranged to earphone output；When the earphone is the earphone for having speech voice input function, any operation is not done, is directly moved back
Go out.
The method and system provided by the invention for distinguishing the earphone for whether supporting speech voice input function, have below beneficial to effect
Fruit：The present invention in systematic difference aspect it may determine that the state of earphone, without the hardware to system and bottom
Driving has the deep understanding of comparison, while relative to other modes, the construction cycle is shorter, and difficulty is lower.
Brief description of the drawings
Fig. 1 is the schematic flow sheet for the method whether differentiation of the embodiment of the present invention supports the earphone of speech voice input function；
Fig. 2 is the structural representation for the system whether differentiation of the embodiment of the present invention supports the earphone of speech voice input function.
Embodiment
The earphone of speech voice input function whether is supported differentiation proposed by the present invention below in conjunction with the drawings and specific embodiments
Method and system be described in further detail.According to following explanation and claims, advantages and features of the invention will more
It is clear.It should be noted that accompanying drawing uses using very simplified form and non-accurately ratio, only to convenient, apparent
Ground aids in illustrating the purpose of the embodiment of the present invention.
Fig. 1 is refer to, the present invention provides a kind of method for the earphone distinguished and whether support speech voice input function, including：
S11：An earphone without speech voice input function is inserted, starts sound-recording function, the record of generation first after recording parameter is set
Sound data；
Specifically, the recording parameter includes：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
Particularly, in the present embodiment, when inserting the earphone without speech voice input function, system can detect inserting for earphone
Enter, audio input is then arranged to the phonetic entry of system, audio output is arranged to earphone output, while to upper layer application
Program reports earphone insertion event.
S12：Analog-digital converter obtains the first recording data of 320 points as first from first recording data
Analog-digital Converter sampled value；
Specifically, audio sample process is superimposed with after Mic bias voltage for outside Mic analog signals, via：
Analog-digital converter（ADC）Sampling obtains required voice data of recording.
S13：Calculate the mean difference x of the first Analog-digital Converter sampled value；
S14：Again insertable into any earphone, after the one earphone identical recording parameter without speech voice input function of setting and insertion
Start sound-recording function, generate the second recording data；
S15：Analog-digital converter obtains the second recording data of 320 points as second from second recording data
Analog-digital Converter sampled value；
S16：Calculate the mean difference y of the second Analog-digital Converter sampled value；
S17：If the absolute value of mean difference y and mean difference x difference is more than predetermined threshold value, confirm described in again insertable into
Earphone is the earphone for having speech voice input function（headset）, it is on the contrary then be the earphone without speech voice input function（headphone）.
Specifically, in the present embodiment, the predetermined threshold value is set to 2, but can be according to the environment of measure to the default threshold
Value does appropriate adjustment, i.e. the selection of predetermined threshold value can refer to the result of experiment.
In the present invention, mean difference（Mean Deviation）Be represent difference degree between each variate-value numerical value it
One.Refer to arithmetic average of each variate-value with the deviation absolute value of average.Calculation formula is：Mean differenceWherein Σ is the symbol amounted to, and x is variableFor arithmetic average, n is of variate-value
Number.
In the present embodiment, it is directly grounded for the earphone without Mic, Mic pins, at this time ADC samples obtained value
It is exactly bias value；But insertion is the earphone for having Mic, and ADC samples the fluctuation signal on obtained data i.e. Mic, due to
Current noise and extraneous interference be present, the value that at this time ADC is sampled would is that after bias and the superposition of this fluctuation signal
As a result.Both can be distinguished well according to difference.
Particularly, in the present embodiment, confirm it is described again insertable into earphone type the step of after, can be according to described
The type of earphone, reset audio strategy.
Specifically audio strategy is：When the earphone for earphone without speech voice input function when, audio input is arranged to be
The phonetic entry of system, audio output is arranged to earphone output；When the earphone is the earphone for having speech voice input function, do not do
Any operation, is directly exited.
Meanwhile Fig. 2 is refer to, whether present invention simultaneously provides a kind of distinguish supports that the earphone of speech voice input function is
System, including：
First generation module 21, for inserting an earphone without speech voice input function, start recording after recording parameter is set
Function, generate the first recording data；
Specifically, the recording parameter includes：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
Further comprise the first setup module 22, the insertion for system detectio to the earphone of the first generation module 21
Afterwards, audio input is arranged to the phonetic entry of system, audio output is arranged to earphone output, while to upper level applications
Report earphone insertion event.
Analog-digital converter 23, for obtaining the first recording data conduct of 320 points from first recording data
First Analog-digital Converter sampled value；
First acquisition module 24, for calculating the arithmetic average x of the first Analog-digital Converter sampled value；
Second generation module 25, for again insertable into any earphone, setting and one earphone without speech voice input function of insertion
Start sound-recording function after identical recording parameter, generate the second recording data；
Analog-digital converter 23, the second recording data for being additionally operable to obtain 320 points from second recording data are made
For the second Analog-digital Converter sampled value；
Second acquisition module 26, for calculating the mean difference y of the second Analog-digital Converter sampled value；
Judge module 27, if the absolute value for mean difference y and mean difference x difference is more than predetermined threshold value, confirm institute
State again insertable into earphone be the earphone that has speech voice input function, it is on the contrary then be the earphone without speech voice input function.
Second setup module 28, for the type according to the earphone, reset audio strategy.
Specifically, in second setup module 28, when the earphone is the earphone without speech voice input function, by sound
Frequency input is arranged to the phonetic entry of system, and audio output is arranged into earphone output；When the earphone is to have phonetic entry work(
During the earphone of energy, any operation is not done, is directly exited.
The combination of summary structure, the present invention in systematic difference aspect it may determine that the state of earphone, without
Needing the driving to the hardware and bottom of system has the deep understanding of comparison, while relative to other modes, the construction cycle is shorter,
Difficulty is lower.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to the protection of claims
Scope.
Claims (10)
- A kind of 1. method for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that including：An earphone without speech voice input function is inserted, starts sound-recording function after recording parameter is set, generates the first recording data；Analog-digital converter obtains the first recording data of 320 points as the first simulation numeral from first recording data Change sampled value；Calculate the mean difference x of the first Analog-digital Converter sampled value；Again insertable into any earphone, set and recorded with starting after the one earphone identical recording parameter without speech voice input function of insertion Function, generate the second recording data；Analog-digital converter obtains the second recording data of 320 points as the second simulation numeral from second recording data Change sampled value；Calculate the mean difference y of the second Analog-digital Converter sampled value；If the absolute value of mean difference y and mean difference x difference is more than predetermined threshold value, confirm it is described again insertable into earphone be to have The earphone of speech voice input function, it is on the contrary then be the earphone without speech voice input function.
- 2. the method as claimed in claim 1 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that the record Sound parameter includes：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
- 3. the method as claimed in claim 1 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that inserting In the step of one earphone without speech voice input function, after the insertion of system detectio to earphone, audio input is arranged to system Phonetic entry, audio output is arranged to earphone output, while earphone insertion event is reported to upper level applications.
- 4. the method as claimed in claim 1 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that confirm institute State again insertable into earphone type the step of after, in addition to：According to the type of the earphone, audio strategy is reset.
- 5. the method as claimed in claim 4 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that the sound Frequency strategy is：When the earphone is the earphone without speech voice input function, audio input is arranged to the phonetic entry of system, by audio Output is arranged to earphone output；When the earphone is the earphone for having speech voice input function, any operation is not done, is directly exited.
- A kind of 6. system for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that including：First generation module, for inserting an earphone without speech voice input function, start sound-recording function after recording parameter is set, it is raw Into the first recording data；Analog-digital converter, for obtaining the first recording data of 320 points from first recording data as the first mould Intend numeral conversion sampled value；First acquisition module, for calculating the mean difference x of the first Analog-digital Converter sampled value；Second generation module, for again insertable into any earphone, setting and the one earphone identical without speech voice input function of insertion Start sound-recording function after recording parameter, generate the second recording data；Analog-digital converter, it is additionally operable to obtain the second recording data of 320 points as second from second recording data Analog-digital Converter sampled value；Second acquisition module, for calculating the mean difference y of the second Analog-digital Converter sampled value；Judge module, if the absolute value for mean difference y and mean difference x difference is more than predetermined threshold value, described in confirmation again The earphone of insertion is the earphone for having speech voice input function, on the contrary then be the earphone without speech voice input function.
- 7. the system as claimed in claim 6 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that the record Sound parameter includes：Sample rate is 8000Hz, single channel and sampling precision are 16bit.
- 8. the system as claimed in claim 6 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that also include First setup module, after the insertion for system detectio to the earphone of the first generation module, audio input is arranged to system Phonetic entry, audio output is arranged to earphone output, while earphone insertion event is reported to upper level applications.
- 9. the system as claimed in claim 6 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that also wrap Include：Second setup module, for the type according to the earphone, reset audio strategy.
- 10. the system as claimed in claim 9 for distinguishing the earphone for whether supporting speech voice input function, it is characterised in that in institute State in the second setup module, when the earphone is the earphone without speech voice input function, audio input is arranged to the language of system Sound is inputted, and audio output is arranged into earphone output；When the earphone is the earphone for having speech voice input function, any behaviour is not Make, directly exit.
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| CN1856183A (en) * | 2005-04-26 | 2006-11-01 | 佛山市顺德区顺达电脑厂有限公司 | Method and apparatus for identifying earphone forms |
| CN1863239A (en) * | 2005-07-08 | 2006-11-15 | 华为技术有限公司 | Sound recording detecting system and method |
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