CN101720097B - Method and system for automatically debugging audio frequency of mobile terminal - Google Patents
Method and system for automatically debugging audio frequency of mobile terminal Download PDFInfo
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Abstract
The invention relates to a method and a system for automatically debugging the audio frequency of a mobile terminal. In the method , a debugging host machine analyzes the test report information of the audio frequency of the mobile terminal, judges an audio parameter type needing modification according to the comparison of analyzed audio data and a set target value and transmits the data of the audio parameter type needing modification to a MATLAB module; the debugging host machine receives calculated audio parameter data of the MATLAB module and transmits the audio parameter data to the mobile terminal; and the mobile terminal receives and analyzes the audio parameter data transmitted by the debugging host machine and writes the analyzed audio parameter data into a memory. By applying the invention, the mobile terminal can finish the adjustment of parameters in the process of audio test under the condition of online and unattended condition, the debugging efficiency is greatly improved, an audio engineer is freed from cockamamie debugging working, and the audio effect of the mobile terminal is optimized by carrying out reasonable parameter setting.
Description
Technical field
The present invention relates to communication field, especially relate to a kind of method and system of automatically debugging audio frequency of mobile terminal.
Background technology
The debugging of audio frequency of mobile terminal is very important process in the portable terminal development process, and its debug results directly influences the voice quality of portable terminal.Audio frequency of mobile terminal debugging at present is a very loaded down with trivial details process, and detailed process is following:
1, at first according to Fig. 1 audio test system is built: portable terminal is placed on mobile position among Fig. 1, and entire bracket is placed in the anechoic chamber.Portable terminal and comprehensive test instrument (having audio-frequency module) carry out communication through air interface or radio frequency cable.
2, the audio-frequency test software control analog digital front end single-frequency point sound that sends different frequency, different amplitudes is given artificial mouth; Artificial mouth becomes voice signal and pronunciation with electrical signal conversion; The portable terminal microphone is gathered the sound that artificial mouth sends, and after portable terminal is handled, sends into comprehensive test instrument through radio frequency interface, and data are analyzed in the analog digital front end at last; In audio-frequency test software, show at last, accomplish up test.
3, descending test is sent into portable terminal through air interface by the single-tone that audio-frequency test software control comprehensive test instrument sends different frequency, different amplitudes after ovennodulation.After the radiofrequency signal that portable terminal sends over comprehensive test instrument is resolved sound is sounded through portable terminal receiver or loudspeaker.Gathered by artitificial ear, send into the analog digital front end and analyze, end product is shown by audio-frequency test software, accomplishes descending test.
Because testing present GSM (global system for mobile communications) test, audio frequency of mobile terminal needs to accomplish 7 tests; And TD-SCDMA (TD SDMA access) needs to accomplish 11 tests; Test event is more, and the audio frequency effect of portable terminal receives the influence of the inner multiple parameter of portable terminal.For example upward signal mainly receives analog gains at different levels, the digital gain of upward signal, AEC (echo inhibition) parameter, upward signal FIR filter (for example the ADI platform is 32 rank Finite Impulse Response filters), the sidetone sidetone masking value of upward signal; Downstream signal mainly receives the analog gains at different levels of downstream signal, the digital gain of downstream signal, the FIRR filter of downstream signal (for example the ADI platform is 32 rank FIRR digital filters).And each fault need be united the cooperation adjustment of Several Parameters; Therefore will produce more combination; For example the mic of its CODEC of ABB chip AD6857 light of ADI platform gain just is divided into three kinds of pre-gain, gain, PGA, adjusts the cooperation that its analog gain needs three gains.And portable terminal is revised parameter at every turn and all need be stopped test, and portable terminal is taken out from the anechoic chamber, and free hand modification parameter, even need remodify source code compiles again, downloads code then again.
Owing to need revise each parameter repeatedly, often accomplishing audio-frequency test needs the time about a week.Efficient is very low, therefore needs a kind of technical scheme of automatically debugging audio frequency of mobile terminal to solve the problems referred to above.
Summary of the invention
Technical problem to be solved by this invention provides a kind of method and system of automatically debugging audio frequency of mobile terminal; Thereby solved the problem that the parameter modification inefficiency is carried out in the interrupt test that in the process of audio-frequency test, needs repeatedly; Make that portable terminal can be automatically according to its inner parameter of results modification of testing in the process of audio-frequency test; Again test, till test is passed through.
In order to address the above problem, the invention provides a kind of system of automatically debugging audio frequency of mobile terminal, comprise,
One debug host comprises, Decision Control module, matrix experiment chamber MATLAB interface module, MATLAB module and comprehensive test instrument interface module, wherein,
Said Decision Control module; Be used for the test report information of mobile terminal receive audio frequency and analyze; With voice data after analyzing and target value set contrast, judge the audio frequency parameter type that needs to revise and also the data of this audio frequency parameter type are sent to said MATLAB interface module; And receive the audio frequency parameter data of this MATLAB interface module loopback and send it to said comprehensive test instrument interface module;
Said MATLAB interface module is used to receive the data of the audio frequency parameter type that said Decision Control module sends and sends to said MATLAB module, and the audio frequency parameter data after this MATLAB module calculated send to this Decision Control module;
Said comprehensive test instrument interface module is used for the audio frequency parameter data that said Decision Control module is sent are sent to portable terminal;
One portable terminal is used to receive said comprehensive test instrument interface module and sends the audio frequency parameter data and resolve, and the audio frequency parameter data that parsing is obtained write memory module.
Further; Said system also can comprise; Said debug host also comprises the audio-frequency test interface module, is used for receiving synchronously the test report information of audio-frequency test software testing system audio frequency of mobile terminal, and the test report information of audio frequency of mobile terminal is sent to said Decision Control module.
Further, said system can comprise that also said comprehensive test instrument interface module is through way of short messages said audio frequency parameter data to be sent to said portable terminal.
Further, said system also can comprise, said comprehensive test instrument interface module after also being used to receive and read audio frequency parameter data that said portable terminal sends and having write the note of memory module, is notified said audio-frequency test interface module to carry out next time and tested.
Further; Said system also can comprise; When said Decision Control module is compared current test result in the test report information of audio frequency of mobile terminal with desired value, find to have exceeded the upper limit, go out the frequency response curve of FIR filter through the calculation of parameter of the up FIR filter of current mobile terminal in the frequency response of certain frequency; Obtain the gain of filter at each frequency; Contrast the current frequency response curve of measuring portable terminal, calculate the gain of the FIR frequency response curve make new advances, the data of the gain of new each frequency of frequency response curve are sent to said MATLAB interface module at each frequency.
Further, said system can comprise that also said portable terminal comprises note read module, memory module and SMS transmission module, wherein,
Note read module: be used to read the note sound intermediate frequency supplemental characteristic that the comprehensive test instrument interface module is sent, resolve the content of audio frequency parameter data, and the audio frequency parameter data are sent to memory module;
SMS transmission module: being used to send note and giving the comprehensive test instrument interface module, is that the note that the audio frequency parameter of portable terminal has been revised sends to the comprehensive test instrument interface module with content;
Said memory module comprises flash reading and writing unit and register read r/w cell, wherein,
Flash reading and writing unit: be used for the audio frequency parameter data that the note read module sends are write the nonvolatile random access memory of flash memory, be cured;
Register read r/w cell: be used for the audio frequency parameter data that the note read module sends are write related register.
The present invention also provides a kind of method of automatically debugging audio frequency of mobile terminal, comprises,
Debug host is analyzed the test report information of audio frequency of mobile terminal; According to voice data after analyzing and target value set contrast; Judge the audio frequency parameter type of need revising, the data of the audio frequency parameter type that needs are revised send to matrix experiment chamber MATLAB module;
Said debug host receives said MATLAB module through the audio frequency parameter data after calculating, and sends to said portable terminal;
Said portable terminal receives the said audio frequency parameter data that said debug host sends and resolves, the audio frequency parameter writing data into memory that parsing is obtained.
Further; Said system also can comprise; When said debug host is compared current test result in the test report information of audio frequency of mobile terminal with desired value, find to have exceeded the upper limit, go out the frequency response curve of FIR filter through the calculation of parameter of the up FIR filter of current mobile terminal in the frequency response of certain frequency; Obtain the gain of filter at each frequency; Contrast the current frequency response curve of measuring portable terminal, calculate the gain of the FIR frequency response curve make new advances, the data of the gain of new each frequency of frequency response curve are sent to said MATLAB module at each frequency.
Further, said system can comprise that also said debug host is through way of short messages said audio frequency parameter data to be sent to said portable terminal.
Further; Said system can comprise that also said portable terminal is meant said audio frequency parameter writing data into memory said audio frequency parameter data are write flash memory; Simultaneously the audio frequency parameter data are write register; Then send and confirm note, confirm that audio frequency parameter upgrades, carry out new test to said debug host.
Compared with prior art; Use the present invention; Make portable terminal in the process of audio-frequency test, can carry out accomplishing under online, the unmanned situation of participating in the adjustment of parameter; Improved debugging efficiency greatly, made audio engineer from loaded down with trivial details debugging work, free, and be arranged so that through carrying out Reasonable Parameters the audio frequency effect of portable terminal is optimized.
Description of drawings
Fig. 1 is the instrument connection layout of current audio test;
Fig. 2 is the structural representation of the system of automatically debugging audio frequency of mobile terminal of the present invention;
Fig. 3 is the flow chart of the method for automatically debugging audio frequency of mobile terminal of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
For realizing above-mentioned functions, as shown in Figure 2, the system of automatically debugging audio frequency of mobile terminal of the present invention comprises two parts: debug host side and mobile terminal side, and wherein debug host can be a computer,
One, computer-side
Computer-side mainly comprises following components, comprises Decision Control module, comprehensive test instrument interface module, MATLAB interface module, audio-frequency test interface module, audio-frequency test software testing system and MATLAB module, wherein,
Audio-frequency test interface module: be used for receiving synchronously the test report information of audio-frequency test software testing system audio frequency of mobile terminal, the test report information of audio frequency of mobile terminal is sent to the Decision Control module;
Decision Control module: be used for the test report information of the audio frequency of mobile terminal that receives is analyzed; According to data after analyzing and target value set contrast; The audio frequency parameter type need is revised in judgement, and the data of the audio frequency parameter type that needs are revised send to the MATLAB interface module; Data after the MATLAB module that receives the loopback of MATLAB interface module is calculated, and the audio frequency parameter data after the MATLAB module calculated send to the comprehensive test instrument interface module;
MATLAB interface module: be used to receive the data of the parameter type that needs that the Decision Control module sends revise, and send to the MATLAB module and calculate; Audio frequency parameter data after the calculating of MATLAB module are sent to the Decision Control module;
Said audio frequency parameter data are audio frequency relevant parameters, mainly are that some filter parameters and some gains are provided with parameter.
Wherein, if carry out computational analysis through softwares such as C or C++, then the MATLAB interface module should be C interface module or C++ interface module mutually, and the MATLAB module is C module or C++ module.
Comprehensive test instrument interface module: be used for the audio frequency parameter data that the Decision Control module is sent are sent to portable terminal through air interface with way of short messages; Receive and read the note of the SMS transmission module transmission of portable terminal, send information notification audio test interface module and carry out test next time.
Two, mobile terminal side
Mobile terminal side mainly comprises note read module, memory module and SMS transmission module, wherein,
Memory module comprises flash reading and writing unit and register read r/w cell,
Note read module: be used to read the note sound intermediate frequency supplemental characteristic that the comprehensive test instrument interface module is sent, resolve the content of audio frequency parameter data, and the audio frequency parameter data are write memory module;
FLASH (flash memory) read-write cell: be used for the audio frequency parameter data that the note read module sends are write NVRAM (nonvolatile random access memory) district of flash memory, be cured;
Register read r/w cell: be used for the audio frequency parameter data that the note read module sends are write related register, and do not change the other guide of register;
Because mostly audio frequency parameter is local adjustment, can all not change, so the register read writing module only changes related register, do not change other audio frequency register.
SMS transmission module: being used to send note and giving the comprehensive test instrument interface module, is that the note that mobile terminal side related audio parameter has been revised sends to the comprehensive test instrument interface module with content, can carry out next step test.
Describe below in conjunction with the method for instantiation to automatically debugging audio frequency of mobile terminal, as shown in Figure 3, detailed process is following,
Computer, comprehensive test instrument, audio-frequency test support (wherein, the audio-frequency test support is put into sound proof box), analog digital front end are coupled together according to the connected mode of Fig. 1, and portable terminal is placed on the mobile place.
Portable terminal is searched net and on comprehensive test instrument, is registered, and calls out comprehensive test instrument, sets up conversation and connects.
The audio-frequency test software control analog digital front end of step 202, computer-side makes artificial mouth send the single-tone of different frequency according to the YD/T1538-2006 standard; The sound that the MIC of portable terminal (microphone) collection artificial mouth sends sends to comprehensive test instrument through radio frequency; Comprehensive test instrument is sent the gained data into the analog digital front end; Analyze, audio-frequency test software is drawn out frequency response curve according to the result, obtains the test report information of audio frequency of mobile terminal and sends to the audio-frequency test interface module;
The data that step 206, Decision Control module are passed MATLAB back are again sent into the comprehensive test instrument interface module, and the comprehensive test instrument interface module utilizes way of short messages to send to portable terminal through air interface the data of receiving;
The 32 rank filter parameters that step 208, FLASH read module will upgrade write corresponding FLASH address and are cured; The register read writing module is according to the Data Update relevant register of importing into;
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with this technological people in the disclosed technical scope of the present invention; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. the system of an automatically debugging audio frequency of mobile terminal is characterized in that, comprise,
One debug host comprises, audio-frequency test interface module, Decision Control module, matrix experiment chamber MATLAB interface module, MATLAB module and comprehensive test instrument interface module, wherein,
Said audio-frequency test interface module is used for receiving synchronously the test report information of audio-frequency test software testing system audio frequency of mobile terminal, and the test report information of audio frequency of mobile terminal is sent to said Decision Control module;
Said Decision Control module; Be used for the test report information of mobile terminal receive audio frequency and analyze; With voice data after analyzing and target value set contrast, judge the audio frequency parameter type that needs to revise and also the data of this audio frequency parameter type are sent to said MATLAB interface module; And receive the audio frequency parameter data of this MATLAB interface module loopback and send it to said comprehensive test instrument interface module;
Said MATLAB interface module is used to receive the data of the audio frequency parameter type that said Decision Control module sends and sends to said MATLAB module, and the audio frequency parameter data after this MATLAB module calculated send to this Decision Control module;
Said comprehensive test instrument interface module is used for the audio frequency parameter data that said Decision Control module is sent are sent to portable terminal through comprehensive test instrument;
One portable terminal is used to receive the audio frequency parameter data that said comprehensive test instrument interface module sends through comprehensive test instrument and resolves, and the audio frequency parameter data that parsing is obtained write memory module.
2. the system of claim 1 is characterized in that,
Said comprehensive test instrument interface module is with way of short messages said audio frequency parameter data to be sent to said portable terminal through comprehensive test instrument.
3. the system of claim 1 is characterized in that,
Said comprehensive test instrument interface module after also being used for receiving and reading audio frequency parameter data that said portable terminal sends and write the note of memory module through comprehensive test instrument, is notified said audio-frequency test interface module to carry out next time and is tested.
4. the system of claim 1 is characterized in that,
When said Decision Control module is compared current test result in the test report information of audio frequency of mobile terminal with desired value; Discovery has exceeded the upper limit in the frequency response of certain frequency; Go out the frequency response curve of FIR filter through the calculation of parameter of the up FIR filter of current mobile terminal; Obtain the gain of filter at each frequency; Contrast the current frequency response curve of measuring portable terminal, calculate the gain of the FIR frequency response curve make new advances, the data of the gain of new each frequency of frequency response curve are sent to said MATLAB interface module at each frequency.
5. system as claimed in claim 2 is characterized in that,
Said portable terminal comprises note read module, memory module and SMS transmission module, wherein,
Note read module: be used to read the note sound intermediate frequency supplemental characteristic that the comprehensive test instrument interface module is sent through comprehensive test instrument, resolve the content of audio frequency parameter data, and the audio frequency parameter data are sent to memory module;
SMS transmission module: being used for sending note through comprehensive test instrument and giving the comprehensive test instrument interface module, is that the note that the audio frequency parameter of portable terminal has been revised sends to the comprehensive test instrument interface module with content;
Said memory module comprises flash reading and writing unit and register read r/w cell, wherein,
Flash reading and writing unit: be used for the audio frequency parameter data that the note read module sends are write the nonvolatile random access memory of flash memory, be cured;
Register read r/w cell: be used for the audio frequency parameter data that the note read module sends are write related register.
6. the method for an automatically debugging audio frequency of mobile terminal is characterized in that, comprise,
Debug host receives the test report information of audio frequency of mobile terminal in the audio-frequency test software testing system and analyzes; According to voice data after analyzing and target value set contrast; Judge the audio frequency parameter type of need revising, the data of the audio frequency parameter type that needs are revised send to matrix experiment chamber MATLAB module;
Said debug host receives said MATLAB module through the audio frequency parameter data after calculating, and sends to said portable terminal through comprehensive test instrument;
Said portable terminal receives the said audio frequency parameter data that said debug host sends through comprehensive test instrument and resolves, the audio frequency parameter writing data into memory that parsing is obtained.
7. method as claimed in claim 6 is characterized in that,
When said debug host is compared current test result in the test report information of audio frequency of mobile terminal with desired value; Discovery has exceeded the upper limit in the frequency response of certain frequency; Go out the frequency response curve of FIR filter through the calculation of parameter of the up FIR filter of current mobile terminal; Obtain the gain of filter at each frequency; Contrast the current frequency response curve of measuring portable terminal, calculate the gain of the FIR frequency response curve make new advances, the data of the gain of new each frequency of frequency response curve are sent to said MATLAB module at each frequency.
8. method as claimed in claim 6 is characterized in that,
Said debug host is through way of short messages said audio frequency parameter data to be sent to said portable terminal through comprehensive test instrument.
9. method as claimed in claim 6 is characterized in that,
Said portable terminal is with said audio frequency parameter writing data into memory; Be meant said audio frequency parameter data are write flash memory, simultaneously the audio frequency parameter data write register, then send to said debug host and confirm note through comprehensive test instrument; Confirm that audio frequency parameter upgrades, carry out new test.
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| CN103546653B (en) * | 2013-10-23 | 2015-09-23 | 福建联迪商用设备有限公司 | The audio communication method of automatic identification optimal communication parameter and VOCA voice communications assembly |
| CN103873857B (en) * | 2014-03-13 | 2015-07-15 | 深圳市九洲电器有限公司 | Test equipment and test method for audio and video output interface |
| CN104486708B (en) * | 2014-11-04 | 2018-04-13 | 福州瑞芯微电子股份有限公司 | Audio system parameters method to set up and device |
| CN106598847A (en) * | 2016-11-30 | 2017-04-26 | 惠州华阳通用电子有限公司 | Software off-line dynamic debugging method and device |
| CN109960485A (en) * | 2017-12-26 | 2019-07-02 | 安凯(广州)微电子技术有限公司 | A kind of audio adjustment method, audio debugging apparatus and terminal device |
| CN108111956A (en) * | 2017-12-26 | 2018-06-01 | 广州励丰文化科技股份有限公司 | A kind of sound equipment adjustment method and device based on amplitude-frequency response |
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