CN110049427A - A kind of sonic data communication system and method for realizing plurality of earphone while detection - Google Patents
A kind of sonic data communication system and method for realizing plurality of earphone while detection Download PDFInfo
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- CN110049427A CN110049427A CN201910407290.4A CN201910407290A CN110049427A CN 110049427 A CN110049427 A CN 110049427A CN 201910407290 A CN201910407290 A CN 201910407290A CN 110049427 A CN110049427 A CN 110049427A
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000004891 communication Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 3
- 238000012546 transfer Methods 0.000 claims abstract description 3
- 241001269238 Data Species 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
- H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Acoustics & Sound (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephone Function (AREA)
Abstract
A kind of sonic data communication system and method for realizing plurality of earphone while detection, is related to headset detection technical field；The data communication system includes transmitting terminal, channel and receiving end, and transmitting terminal includes sequentially connected information source, modulator and loudspeaker, information source, modulator and loudspeaker；Receiving end includes sequentially connected microphone, demodulator and the stay of two nights.Detection method includes that transmitting terminal generates information source data, transfers data to modulator after encoding to information source data and channel；Encoded channel data is modulated, digital signal after digital signal and right channel are modulated after generation L channel modulation；It plays digital signal after left and right acoustic channels are modulated and uses microphone location；Data processing is carried out to the data after recording, finally obtains stay of two nights data；Stay of two nights data and information source data are compared as a result, determining headset detection result.Scheme through the invention can solve user and use the cumbersome detecting step before earphone, more time saving convenience, accuracy rate height.
Description
Technical field
The present invention relates to headset detection field more particularly to a kind of sonic data communication systems for realizing plurality of earphone while detection
System and method.
Background technique
Currently, computer and electronic equipment have run through the every aspect of daily life, earphone is as a kind of attached electronic
Also more extensively, almost each computer or mobile device require to be equipped with earphone equipment application, have some environment even more strong
System needs to be equipped with earphone, such as voice room, meeting scene etc., before using equipment, can not determine whether earphone is intact, only
User can just have found that earphone has damaged during use, and be repaired or replaced affected equipment use at this time
Continuity, or even influence meeting or voice course, user experience it is very poor.If but being checked one by one using preceding, existing mesh
Preceding most effective way is exactly artificial investigation, then needs to expend a large amount of manpowers.Therefore a solution is needed, makes equipment
With what be can be convenient before, method that whether unified test earphone damages.
Summary of the invention
The purpose of the present invention is to provide a kind of plurality of earphone while detection system and methods, to solve to deposit in the prior art
Foregoing problems.
To achieve the goals above, The technical solution adopted by the invention is as follows:
It is a kind of realize plurality of earphone and meanwhile detection sonic data communication system, the data communication system include transmitting terminal,
Channel and receiving end, the transmitting terminal send receiving end by channel for data；The transmitting terminal include information source, modulator and
Loudspeaker, the information source, the modulator and the loudspeaker are sequentially connected with；The receiving end include microphone, demodulator and
The stay of two nights；The microphone, the demodulator and the stay of two nights are sequentially connected with.
Preferably, the channel is air passage.
Preferably, the loudspeaker includes left speaker and right loudspeaker.
It is a further object of the present invention to provide a kind of plurality of earphone Simultaneous Detections, the described method comprises the following steps:
S1 sets up sonic data communication system, including transmitting terminal, channel and receiving end；
S2, transmitting terminal generate information source data, transfer data to modulator after encoding to information source data and channel；
S3 is modulated encoded channel data, after digital signal and right channel are modulated after generation L channel modulation
Digital signal；
S4, digital signal after digital signal and right channel are modulated after broadcasting L channel modulation, and use microphone location；
S5 carries out data processing to the data after recording, finally obtains the stay of two nights data of L channel and right channel；
S6, the channel data for comparing left and right acoustic channels and information source data are as a result, determine headset detection result.
Preferably, data communication system includes multiple ear speaker devices and mobile device software in step S1.
Preferably, step S2 specifically includes the following steps:
S21, software systems generate different information source data according to different device numberings；
S22 selects different message sink coding modes to encode information source data, then carries out channel coding again.
Preferably, the message sink coding mode include nonreturn to zero code, Manchester code, in differential manchester encoding at least
It is a kind of；The channel coding includes block code, convolutional code, concatenated code, Turbo code, at least one of LDPC code.
Preferably, step S3 is specifically included:
According to the information source data of different numbers, channel is compiled using different baseband carrier frequencies and different modulation systems
Code after data be modulated generate L channel modulation after digital signal and right channel modulation after digital signal.
Preferably, step S4 is specifically included:
S41 opens receiving end microphone, setting recording sample frequency；
S42 is believed using number after digital signal after left and right loudspeaker timesharing broadcasting L channel modulation and right channel modulation
Number；
S43 is recorded using the data that microphone plays loudspeaker, obtains two sections of recording datas.
10. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that step S5 is specifically included:
S51 filters out carrier data using bandpass filter according to the carrier frequency value that transmitting terminal is arranged；
S52 is demodulated filtered data using the modulation system of transmitting terminal, obtains the channel of L channel demodulation
Data before data and right channel demodulated channel decode before decoding；
S53, data carry out channel decoding respectively before decoding respectively to left and right acoustic channels demodulated channel, and source decoding obtains a left side
Sound channel stay of two nights data and right channel stay of two nights data.
The beneficial effects of the present invention are:
Plurality of earphone provided by the invention simultaneously detection system and method by using different letters to transmitting terminal distinct device
The control of source code, channel coding, modulation system, modulating frequency can allow between multiple equipment group and not interfere mutually, left and right sound
The transmitting terminal timesharing in road plays voice data, and the voice data of microphone receiving end recording transmitting terminal, then software systems are to a left side
Right channel recording data carries out mode corresponding with transmitting terminal and is filtered, and obtains the stay of two nights after demodulation, channel decoding, source decoding
Data can analyze out whether earphone damages, and can find under partial picture after comparison information source data and stay of two nights data
The position that earphone specifically damages.Scheme through the invention can solve user using the cumbersome detecting step before earphone, more
Time saving convenience, accuracy rate are high.
Detailed description of the invention
Fig. 1 is earphone while the sonic data communication system architecture figure of detection in embodiment 1；
Fig. 2 is plurality of earphone while the principle flow chart of detection in embodiment 2.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
Embodiment 1
The present embodiment provides a kind of data communication systems detected simultaneously for plurality of earphone, including transmitting terminal, air passage
And receiving end, the transmitting terminal send receiving end by channel for data；The transmitting terminal includes information source, modulator and loudspeaking
Device, the information source, the modulator and the loudspeaker are sequentially connected with；The receiving end includes microphone, demodulator and the stay of two nights；
The microphone, the demodulator and the stay of two nights are sequentially connected with.
The on-line testing simultaneously of multiple ear speaker devices may be implemented in data communication system in the present embodiment, and information source includes by multiple
Ear speaker device composition, and different ear speaker devices has different device numberings.
Embodiment 2
The present embodiment realizes plurality of earphone Simultaneous Detection, the side using data communication system described in embodiment 1
Method the following steps are included:
S1 sets up data communication system, including transmitting terminal, channel and receiving end using plurality of earphone equipment；The transmitting terminal
Including information source, modulator and loudspeaker, the information source, the modulator and the loudspeaker are sequentially connected with；The receiving end packet
Include microphone, demodulator and the stay of two nights；The microphone, the demodulator and the stay of two nights are sequentially connected with.
Air of the channel between transmitting terminal and receiving end in the present embodiment, interchannel noise are interchannel noise.
S2 generates different information source data according to different device numberings；Select different message sink coding modes to generation
Information source data encoded, channel coding then is carried out to encoded information source data again.
Message sink coding can reduce number of symbols and reduce chip rate, and the message sink coding mode that can choose has non-return-to-zero
Code, Manchester code, differential manchester encoding etc., transmitting terminal software systems are suitable with custom rule selection according to seat number
Message sink coding mode.
Channel coding can reduce the bit error rate with error correction, increase the reliability entirely communicated, the channel coding ratio that can choose
More, block code, convolutional code, concatenated code, Turbo code, LDPC code etc., transmitting terminal software systems are according to seat number and actual channel
In noise circumstance select suitable channel coding.
S3 is modulated generation to data after channel coding using different baseband carrier frequencies and different modulation systems
Digital signal after digital signal and right channel are modulated after L channel modulation；
When selecting baseband carrier frequency, in order to reduce channel disturbance, need to avoid mankind's speech audible frequency section, surrounding
The frequency separation of environmental noise, and baseband carrier frequency needs in the frequency range of earphone speaker sounding, in the present embodiment
Earphone speaker sounding frequency range be 20HZ-20KHZ.In addition, the frequency filtering range of multiple and different equipment is non-intersecting,
Avoid occurring data cross between distinct device.
Modulation can be by data injected carrier, according to modulation system difference, modulation will use one every time after channel coding
The carrier signal of a or multiple frequencies, the modulation system and carrier frequency that the software systems of every group of equipment need minute book group to use
Rate, in case being used in receiving terminal.Modulation classification has amplitude modulation ASK, shift keying modulation FSK, and phase-shift keying (PSK) modulates PSK,
Other modulation systems such as quadrature carrier modulation QAM.
S4 opens the microphone of receiving end, setting recording sample frequency；According to Shannon's sampling theorem, sample frequency fs is answered
This is greater than by twice or more of the fmax of sample frequency, i.e., twice of the carrier frequency that uses that sample frequency needs when being modulation with
On.
Using digital signal after digital signal after left and right loudspeaker timesharing broadcasting L channel modulation and right channel modulation；It adopts
It is recorded with the data that microphone plays loudspeaker, obtains two sections of recording datas.
S5 filters out carrier data using bandpass filter according to the carrier frequency value that transmitting terminal is arranged；
Filtered data are demodulated using the modulation system of transmitting terminal, obtain the channel decoding of L channel demodulation
Data before preceding data and right channel demodulated channel decode；
Data carry out channel decoding respectively before decoding respectively to left and right acoustic channels demodulated channel, and source decoding obtains L channel
Stay of two nights data and right channel stay of two nights data.
S6, the channel data for comparing left and right acoustic channels and information source data are as a result, determine headset detection result；
Test earphone result: the stay of two nights of a. L channel and information source difference；The stay of two nights of b L channel is identical with information source；The c right channel stay of two nights
It is different with information source；The stay of two nights of d right channel is identical with information source.Software systems ultimate analysis may two loudspeakings of earphone if a and c occurs
Device all damages or microphone damage；Earphone left speaker damages if a and d occurs simultaneously；The earphone if b and c occurs simultaneously
Right speaker damage；If b and d occur simultaneously, prove that earphone is normal.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained:
The present invention is by using different message sink codings, channel coding, modulation system, modulation frequency to transmitting terminal distinct device
The control of rate can allow between multiple equipment group and not interfere mutually, and the transmitting terminal timesharing of left and right acoustic channels plays voice data, Mike
The voice data of wind receiving end recording transmitting terminal, then software systems carry out left and right acoustic channels recording data corresponding with transmitting terminal
Mode is filtered, and stay of two nights data are obtained after demodulation, channel decoding, source decoding, passes through comparison information source data and stay of two nights data
Afterwards, it can analyze out whether earphone damages, and the position that earphone specifically damages can be found under partial picture.Side through the invention
Case can solve user and use the cumbersome detecting step before earphone, more time saving convenience, accuracy rate height.
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
Depending on protection scope of the present invention.
Claims (10)
1. a kind of sonic data communication system for realizing plurality of earphone while detection, which is characterized in that the data communication system packet
Transmitting terminal, channel and receiving end are included, the transmitting terminal sends receiving end by channel for data；The transmitting terminal includes letter
Source, modulator and loudspeaker, the information source, the modulator and the loudspeaker are sequentially connected with；The receiving end includes Mike
Wind, demodulator and the stay of two nights；The microphone, the demodulator and the stay of two nights are sequentially connected with.
2. data communication system according to claim 1, which is characterized in that the channel is air passage.
3. data communication system according to claim 1, which is characterized in that the loudspeaker includes that left speaker and the right side are raised
Sound device.
4. a kind of method for realizing plurality of earphone while detection, which is characterized in that the described method comprises the following steps:
S1 sets up sonic data communication system as claimed in any one of claims 1-3, including transmitting terminal, channel and receiving end；
S2, transmitting terminal generate information source data, transfer data to modulator after encoding to information source data and channel；
S3 is modulated encoded channel data, and it is digital after modulating to generate digital signal and right channel after L channel is modulated
Signal；
S4, digital signal after digital signal and right channel are modulated after broadcasting L channel modulation, and use microphone location；
S5 carries out data processing to the data after recording, finally obtains the stay of two nights data of L channel and right channel；
S6, the stay of two nights data and information source data for comparing left and right acoustic channels are as a result, determine headset detection result.
5. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that data communication system packet in step S1
Include multiple ear speaker devices and mobile device software.
6. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that step S2 specifically includes following step
It is rapid:
S21, software systems generate different information source data according to different device numberings；
S22 selects different message sink coding modes to encode information source data, then carries out channel coding again.
7. plurality of earphone Simultaneous Detection according to claim 6, which is characterized in that the message sink coding mode includes non-
At least one of zero code, Manchester code, differential manchester encoding；The channel coding includes block code, convolutional code, grade
Join code, Turbo code, at least one of LDPC code.
8. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that step S3 is specifically included:
According to the information source data of different numbers, using different baseband carrier frequencies and different modulation systems to channel coding after
Data be modulated generate L channel modulation after digital signal and right channel modulation after digital signal.
9. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that step S4 is specifically included:
S41 opens receiving end microphone, setting recording sample frequency；
S42, using digital signal after digital signal after left and right loudspeaker timesharing broadcasting L channel modulation and right channel modulation；
S43 is recorded using the data that microphone plays loudspeaker, obtains two sections of recording datas.
10. plurality of earphone Simultaneous Detection according to claim 4, which is characterized in that step S5 is specifically included:
S51 filters out carrier data using bandpass filter according to the carrier frequency value that transmitting terminal is arranged；
S52 is demodulated filtered data using the modulation system of transmitting terminal, obtains the channel decoding of L channel demodulation
Data before preceding data and right channel demodulated channel decode；
S53, data carry out channel decoding respectively before decoding respectively to left and right acoustic channels demodulated channel, and source decoding obtains L channel
Stay of two nights data and right channel stay of two nights data.
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| CN112770245A (en) * | 2020-12-29 | 2021-05-07 | 华勤技术股份有限公司 | Detection device and test method |
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| CN110049427B (en) | 2023-06-23 |
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