CN109495834A - A kind of earphone test method, system and earphone and storage medium - Google Patents
A kind of earphone test method, system and earphone and storage medium Download PDFInfo
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- CN109495834A CN109495834A CN201910012506.7A CN201910012506A CN109495834A CN 109495834 A CN109495834 A CN 109495834A CN 201910012506 A CN201910012506 A CN 201910012506A CN 109495834 A CN109495834 A CN 109495834A
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Classifications
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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
- H04R29/00—Monitoring arrangements; Testing arrangements
Abstract
This application discloses a kind of earphone test method, system and a kind of earphone and computer readable storage mediums, this method comprises: determining test assignment；Wherein, the test assignment is specially the test assignment to target audio input mode；According to the target audio input mode selection target audio transmission access；Audio signal is exported by the target audio transmission channel to loudspeaker, to complete the test of the target audio input mode.Earphone test method provided by the present application determines target audio transmission channel by the target audio input mode in test assignment, i.e. each test assignment corresponds to a kind of testing requirement, meets different testing requirements.Earphone test method provided by the present application can switch audio input mode by changing test assignment at any time, it does not need frequently to replace and be devices under, reduce evaluation scheme bring risk, expeditiously completes the comparison of different audio input modes, the final best input mode for determining earphone.
Description
Technical field
This application involves ear phone technology fields, more specifically to a kind of earphone test method, system and a kind of earphone
With a kind of computer readable storage medium.
Background technique
Earphone enjoys the major product of music and sound as people, and sound quality and audio transmission are to measure earphone superiority and inferiority
Major criterion, and transmission mode is an important factor for influencing sound quality and transmission quality.Audio input mode for earphone includes
It is wirelessly input to and wired input, is wirelessly input to mode mainly and has standard Bluetooth protocol transmission, customization Bluetooth protocol transmission and privately owned
Agreement transmission etc..Wired input mode mainly includes tone frequency channel wire input (line in) and usb audio input etc..
Existing earphone has used one of or two ways to carry out audio transmission, and earphone newly developed is wanted according to sound quality
When seeking selection transmission mode, kinds of schemes can be assessed, is tested to need to frequently replace being devices under respectively to kinds of schemes,
Human input and time cost, the efficiency that will increase plural number are lower.
Therefore, how to improve the testing efficiency of earphone is those skilled in the art's technical issues that need to address.
Summary of the invention
The application's is designed to provide a kind of earphone test method, system and a kind of earphone and a kind of computer-readable deposits
Storage media improves the testing efficiency of earphone.
To achieve the above object, this application provides a kind of earphone test methods, comprising:
Determine test assignment；Wherein, the test assignment is specially the test assignment to target audio input mode；
According to the target audio input mode selection target audio transmission access；
Audio signal is exported by the target audio transmission channel to loudspeaker, it is defeated to complete the target audio
Enter the test of mode.
Wherein, the target audio input mode includes wired input and is wirelessly input to；The wired input includes audio
Line input and USB input；It is described to be wirelessly input to include that bluetooth input and 2.4Ghz proprietary protocol are wirelessly input to.
Wherein, audio signal is exported by the target audio transmission channel to loudspeaker, comprising:
The audio signal is converted into digital audio and video signals, and the digital audio and video signals are passed through into digital audio processing
It exports after device processing to loudspeaker.
Wherein, if the target audio input mode is specially tone frequency channel wire input, the audio signal is converted into number
Word audio signal, comprising:
The analog audio signal inputted by tone frequency channel wire is converted into digital audio and video signals by audio codec.
Wherein, if the target audio input mode is specially USB input, the audio signal is converted into digital sound
Frequency signal, comprising:
Chip is handled by usb audio, and the usb audio signal inputted by USB is converted into digital audio and video signals.
Wherein, if the target audio input mode is specially to be wirelessly input to, the audio signal is converted into number
Audio signal, comprising:
Wireless audio signal is received, and determines the coding mode of the wireless audio signal；
The wireless audio signal is converted into digital audio and video signals using the coding mode corresponding decoding process.
Wherein, the determining test assignment, comprising:
The target audio input mode is determined according to the selection result of selector, and according to the target audio input side
Formula generates the test assignment.
To achieve the above object, this application provides a kind of earphone test macros, comprising:
Determining module, for determining test assignment；Wherein, the test assignment is specially to target audio input mode
Test assignment；
Selecting module, for according to the target audio input mode selection target audio transmission access；
Output module, for being exported audio signal by the target audio transmission channel to loudspeaker, to complete
The test of the target audio input mode.
To achieve the above object, this application provides a kind of earphones, comprising:
Selector for selection target audio input mode；
It is connected with the selector, for determining the place of target audio transmission channel according to the target audio input mode
Manage device；
For obtaining the audio receiver of audio signal；
It is connected with the audio receiver, exports for receiving digital audio and video signals, and by processing result to loudspeaker
Digital audio processor.
To achieve the above object, this application provides a kind of computer readable storage medium, the computer-readable storages
It is stored with computer program on medium, the step such as above-mentioned earphone test method is realized when the computer program is executed by processor
Suddenly.
By above scheme it is found that a kind of earphone test method provided by the present application, comprising: determine test assignment；Wherein,
The test assignment is specially the test assignment to target audio input mode；Mesh is selected according to the target audio input mode
Mark audio transmission access；Audio signal is exported by the target audio transmission channel to loudspeaker, to complete the mesh
The test of mark with phonetic symbols frequency input mode.
Earphone test method provided by the present application determines target audio by the target audio input mode in test assignment
Transmission channel, i.e. each test assignment correspond to a kind of testing requirement, meet different testing requirements.Earphone provided by the present application
Test method can switch audio input mode by changing test assignment at any time, do not need frequently replacement and be devices under, subtract
Small evaluation scheme bring risk expeditiously completes the comparison of different audio input modes, final to determine the best defeated of earphone
Enter mode.Disclosed herein as well is a kind of earphone test macro and a kind of earphones and a kind of computer readable storage medium, equally
It is able to achieve above-mentioned technical effect.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Application.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.Attached drawing is and to constitute specification for providing further understanding of the disclosure
A part, be used to explain the disclosure together with following specific embodiment, but do not constitute the limitation to the disclosure.Attached
In figure:
Fig. 1 is a kind of flow chart of earphone test method shown according to an exemplary embodiment；
Fig. 2 is the flow chart of another earphone test method shown according to an exemplary embodiment；
Fig. 3 is a kind of system architecture diagram of earphone test；
Fig. 4 is a kind of structure chart of earphone test macro shown according to an exemplary embodiment；
Fig. 5 is a kind of structure chart of earphone shown according to an exemplary embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
In the earphone development process of the prior art, needs to test kinds of schemes respectively, then need to frequently replace
It is devices under, at high cost and efficiency is lower.Therefore, the earphone in the application supports a variety of audio input modes, passes through change
Test assignment can switch audio input mode at any time, do not need frequently replacement and be devices under, expeditiously complete not unisonance
The comparison of frequency input mode.
The embodiment of the present application discloses a kind of earphone test method, improves the testing efficiency of earphone.
Referring to Fig. 1, a kind of flow chart of earphone test method shown according to an exemplary embodiment, as shown in Figure 1, packet
It includes:
S101: test assignment is determined；Wherein, the test assignment is specially that the test to target audio input mode is appointed
Business；
The present embodiment is in earphone development process after earphone and test equipment establish connection, to a variety of audio input sides
The test method of formula does not limit the connection type of earphone and test equipment specifically herein, may include the nothing such as bluetooth
Line connection and wired connection, executing subject are the processor in earphone.
After earphone and test equipment establish connection, it is first determined test assignment, the test assignment are defeated to target audio
Enter the test assignment of mode.Target audio input mode herein may include wired input and be wirelessly input to, and wired input can
With include tone frequency channel wire input and USB input, be wirelessly input to include standard agreement bluetooth input, custom protocol bluetooth input and
2.4Ghz proprietary protocol is wirelessly input to.
S102: according to the target audio input mode selection target audio transmission access；
In this step, corresponding target sound is determined according to the target audio input mode in previous step in test assignment
Frequency transmission channel, it is to be understood that the corresponding audio transmission access of each target audio input mode.It needs to illustrate
It is that, as a kind of preferred embodiment, the module of identical function can be public in different audio transmission accesses.
S103: audio signal is exported by the target audio transmission channel to loudspeaker, to complete the target
The test of audio input mode.
In specific implementation, the audio processing chip in earphone is for obtaining audio signal, and the audio signal is converted
For digital audio and video signals, for different audio input modes, using different audio processing chips, for example, working as audio input side
When formula is that tone frequency channel wire inputs, audio processing chip is specially audio codec, when audio input mode is that USB is inputted, sound
Frequency processing chip is specially usb audio processing chip, and when audio input mode is to be wirelessly input to, audio processing chip is specially
Wireless audio chip (Wireless Audio Chip).Wireless audio chip may include the bluetooth for supporting SBC, APT-X coding
Audio chip and the wireless audio chip etc. for supporting 2.4GHz proprietary protocol.
It is exported by the target audio transmission channel that previous step determines to loudspeaker, test equipment can be to target audio
The output result of input mode is tested, it is to be understood that and specific test mode is not the emphasis of the present embodiment concern,
Details are not described herein.The step of user can select different audio input modes by selector, recycle the present embodiment is with complete
At the testing process of different audio input modes.
Preferably, this step may include that the audio signal is converted to digital audio and video signals, and by the digital sound
Frequency signal exports after digital audio processor is handled to loudspeaker.Digital audio processor (full name in English: Digital
Signal Processor, English abbreviation: DSP) for digital audio and video signals to be converted to analog audio signal, pass through connector
(Connector) output to loudspeaker plays.
For the mode of tone frequency channel wire input, the step of converting audio signals into digital audio and video signals may include: to pass through
The analog audio signal inputted by tone frequency channel wire is converted to digital audio and video signals by audio codec (CODEC).That is step
Target audio transmission channel in S102 are as follows: audio connector, audio codec, digital audio processor and connector.
For the mode of USB input, the step of converting audio signals into digital audio and video signals may include: to pass through USB
The usb audio signal inputted by USB is converted to digital audio and video signals by audio processing chip.Usb audio herein handles core
Piece can be specially support UAC agreement (full name in English: USB Audio Class, usb audio transport protocol) microprocessor or
Support the audio processing chip of UAC agreement.That is the target audio transmission channel in step S102 are as follows: USB connector, usb audio
Handle chip, digital audio processor and connector.
For the mode being wirelessly input to, the step of converting audio signals into digital audio and video signals may include: reception nothing
Line audio signal, and determine the coding mode of the wireless audio signal；It will using the corresponding decoding process of the coding mode
The wireless audio signal is converted to digital audio and video signals.Coding mode herein may include the SBC in standard bluetooth transmission
Coding can also include APT-X coding or 2.4GHz proprietary protocol coding in customization Bluetooth transmission.That is the mesh in step S102
Mark audio transmission access are as follows: wireless audio chip, digital audio processor and connector.
Earphone test method provided by the embodiments of the present application determines mesh by the target audio input mode in test assignment
Audio transmission access is marked, i.e. each test assignment corresponds to a kind of testing requirement, meets different testing requirements.The application is implemented
The earphone test method that example provides can switch audio input mode by changing test assignment at any time, not need frequently to replace quilt
Test equipment reduces evaluation scheme bring risk, expeditiously completes the comparison of different audio input modes, finally determines ear
The best input mode of machine.
The embodiment of the present application discloses a kind of earphone test method, and relative to a upper embodiment, the present embodiment is to technical side
Case has made further instruction and optimization.It is specific:
Referring to fig. 2, the flow chart of another earphone test method shown according to an exemplary embodiment, as shown in Fig. 2,
Include:
S201: the target audio input mode is determined according to the selection result of selector, and according to the target audio
Test assignment described in input mode；
In specific implementation, user can be by selector selection target audio input mode, and selector herein can be with
Including switch, draw runner and data selector etc., herein without specifically limiting, each selection result of selector is corresponding a kind of
Audio input mode, the corresponding relationship can be stored in the form of tables of data with processor in, naturally it is also possible to otherwise
Storage, equally without specifically limiting.
S202: according to the target audio input mode selection target audio transmission access；
S203: audio signal is exported by the target audio transmission channel to loudspeaker, to complete the target
The test of audio input mode.
Earphone test method provided by the present application is introduced in concrete application embodiment below, specifically, as shown in figure 3,
The mainboard (Main Board) of the earphone mainly includes MCU (full name in English: Microcontroller Unit, Chinese name: micro-
Control unit), DSP, CODEC, Wireless Audio Chip, Switch (switch), Audio Jack and Connector etc.,
It is connected by Connector and external SPK (full name in English: Speaker, Chinese name: loudspeaker or loudspeaker).
MCU supports a kind of UAC input I2S (Inter-IC Sound, audio-frequency bus) output, the sound that USB can be inputted
Frequency signal, which is converted to I2S signal and is transferred to DSP, to be handled.CODEC supports line in (tone frequency channel wire input), can will input
Analog signal be converted to I2S signal and be output to DSP.1. wireless audio chip supports standard bluetooth to transmit, encoded using SBC,
The wireless audio signal received can be converted to I2S signal and be output to DSP.2. wireless audio chip supports customization bluetooth to pass
It is defeated, it is encoded using APT-X, the wireless audio signal received can be converted to I2S signal and be output to DSP.Wireless audio chip
3. supporting the transmission of 2.4GHz proprietary protocol, the wireless audio signal received can be converted to I2S signal and be output to DSP.DSP branch
Multichannel I2S input is held, the digital audio and video signals of input are handled, exportable analogue audio frequency to SPK.Wherein, MCU access and
CODEC access is wireline audio input mode, 1. 2. 3. wireless audio chip is wireless audio input mode.Switch connection
The ADC interface of MCU, for switching different voice-frequency channels.
For MCU by other chips of I2C protocol integrated test system, Switch → MCU → DSP is the control path for switching voice-frequency channel.
Wireline audio input mode are as follows: after Audio Jack → CODEC → DSP, Switch toggle path, input analog audio
Frequency signal carries out analog-to-digital conversion via CODEC, and output I2S digital audio and video signals to DSP, DSP is after audio processing, output
Analog signal is to SPK；USB → MCU → DSP after Switch is switched to path, inputs usb audio signal, is converted to via MCU
I2S digital audio and video signals are output to DSP, and DSP is after audio processing, output analog signal to SPK.
Wireless audio input mode are as follows: 1. 2. 3. → DSP, Switch are switched to a wherein paths to wireless audio chip
Afterwards, after chip receives wireless audio signal, according to corresponding audio decoder mode, I2S digital audio and video signals are exported to DSP,
DSP is after audio processing, output analog signal to SPK.
A kind of earphone test macro provided by the embodiments of the present application is introduced below, a kind of earphone described below is surveyed
Test system can be cross-referenced with a kind of above-described earphone test method.
Referring to fig. 4, the structure chart of a kind of earphone test macro shown according to an exemplary embodiment, as shown in figure 4, packet
It includes:
Determining module 401, for determining test assignment；Wherein, the test assignment is specially to target audio input side
The test assignment of formula；
Selecting module 402, for according to the target audio input mode selection target audio transmission access；
Output module 403, for being exported audio signal by the target audio transmission channel to loudspeaker, so as to complete
At the test of the target audio input mode.
Earphone test macro provided by the embodiments of the present application determines mesh by the target audio input mode in test assignment
Audio transmission access is marked, i.e. each test assignment corresponds to a kind of testing requirement, meets different testing requirements.The application is implemented
The earphone test macro that example provides can switch audio input mode by changing test assignment at any time, not need frequently to replace quilt
Test equipment reduces evaluation scheme bring risk, expeditiously completes the comparison of different audio input modes, finally determines ear
The best input mode of machine.
On the basis of the above embodiments, the target audio input mode includes as a preferred implementation manner,
Line is inputted and is wirelessly input to；The wired input includes tone frequency channel wire input and USB input；It is described to be wirelessly input to include bluetooth input
It is wirelessly input to 2.4Ghz proprietary protocol.
On the basis of the above embodiments, the output module 403 specially will be described as a preferred implementation manner,
Audio signal is converted to digital audio and video signals, and the digital audio and video signals are exported after digital audio processor is handled to
The module of loudspeaker.
On the basis of the above embodiments, if the target audio input mode is specific as a preferred implementation manner,
For tone frequency channel wire input, then the output module 403 includes:
First converting unit, for being converted to the analog audio signal inputted by tone frequency channel wire by audio codec
Digital audio and video signals；
Output unit, for exporting the digital audio and video signals after digital audio processor is handled to loudspeaker.
On the basis of the above embodiments, if the target audio input mode is specific as a preferred implementation manner,
For USB input, then the output module 403 includes:
Second converting unit is converted to the usb audio signal inputted by USB for handling chip by usb audio
Digital audio and video signals；
Output unit, for exporting the digital audio and video signals after digital audio processor is handled to loudspeaker.
On the basis of the above embodiments, if the target audio input mode is specific as a preferred implementation manner,
To be wirelessly input to, then the output module 403 includes:
Determination unit for receiving wireless audio signal, and determines the coding mode of the wireless audio signal；
Third converting unit, for being converted the wireless audio signal using the corresponding decoding process of the coding mode
For digital audio and video signals；
Output unit, for exporting the digital audio and video signals after digital audio processor is handled to loudspeaker.
On the basis of the above embodiments, the determining module 401 is specially according to choosing as a preferred implementation manner,
The selection result for selecting device determines the target audio input mode, and generates the test according to the target audio input mode
The module of task.
About the system in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Present invention also provides a kind of earphones, referring to Fig. 5, a kind of structure chart of earphone provided by the embodiments of the present application, such as
Shown in Fig. 5, may include:
Selector 100 for selection target audio input mode；
It is connected with the selector 100, for determining target audio transmission channel according to the target audio input mode
Processor 200；
For obtaining audio signal, and the audio signal is converted to the audio processing chip 300 of digital audio and video signals；
It is connected with the audio processing chip 300, exports for receiving digital audio and video signals, and by processing result to loudspeaking
The digital audio processor 400 of device.
Earphone provided by the embodiments of the present application can change test by selector selection target audio input mode
Task, each test assignment correspond to a kind of testing requirement, meet different testing requirements.Earphone provided by the present application can lead to
It crosses selector and switches audio input mode at any time, do not need frequently replacement and be devices under, reduce evaluation scheme bring risk,
The comparison of different audio input modes is expeditiously completed, the final best input mode for determining earphone.
On the basis of the above embodiments, preferably, the audio processing chip 300 includes that audio compiles solution
Code device, wireless audio chip and usb audio handle any one of chip or appoint several combinations.
On the basis of the above embodiments, preferably, the usb audio processing chip includes supporting UAC
The microprocessor of agreement or the audio processing chip for supporting UAC agreement.
On the basis of the above embodiments, preferably, the wireless audio chip includes supporting 2.4GHz
The wireless audio chip of proprietary protocol.
On the basis of the above embodiments, preferably, the wireless audio chip include support SBC or
The Bluetooth audio frequency chip of APT-X coding.
On the basis of the above embodiments, preferably, if the audio processing chip 300 is compiled including audio
Decoder, the then earphone further include:
It is connected with the audio codec, for inputting the audio connector of the audio signal.
On the basis of the above embodiments, preferably, the selector 100 includes switch, draw runner sum number
According to any one of selector.
In a further exemplary embodiment, a kind of computer readable storage medium including program instruction is additionally provided, it should
The step of above-mentioned earphone test method is realized when program instruction is executed by processor.For example, the computer readable storage medium can
Think the memory including program instruction, above procedure instruction can be executed by the processor of earphone to complete above-mentioned earphone and test
Method.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.It should be pointed out that for those skilled in the art, under the premise of not departing from the application principle, also
Can to the application, some improvement and modification can also be carried out, these improvement and modification also fall into the protection scope of the claim of this application
It is interior.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (10)
1. a kind of earphone test method characterized by comprising
Determine test assignment；Wherein, the test assignment is specially the test assignment to target audio input mode；
According to the target audio input mode selection target audio transmission access；
Audio signal is exported by the target audio transmission channel to loudspeaker, to complete the target audio input side
The test of formula.
2. earphone test method according to claim 1, which is characterized in that the target audio input mode includes wired defeated
Enter and is wirelessly input to；The wired input includes tone frequency channel wire input and USB input；It is described be wirelessly input to include bluetooth input and
2.4Ghz proprietary protocol is wirelessly input to.
3. earphone test method according to claim 2, which is characterized in that transmit audio signal by the target audio
Access is exported to loudspeaker, comprising:
The audio signal is converted into digital audio and video signals, and by the digital audio and video signals by digital audio processor
It exports after reason to loudspeaker.
4. earphone test method according to claim 3, which is characterized in that if the target audio input mode is specially sound
The input of frequency line, then be converted to digital audio and video signals for the audio signal, comprising:
The analog audio signal inputted by tone frequency channel wire is converted into digital audio and video signals by audio codec.
5. earphone test method according to claim 3, which is characterized in that if the target audio input mode is specially
USB input, then be converted to digital audio and video signals for the audio signal, comprising:
Chip is handled by usb audio, and the usb audio signal inputted by USB is converted into digital audio and video signals.
6. earphone test method according to claim 3, which is characterized in that if the target audio input mode is specially nothing
Line input, then be converted to digital audio and video signals for the audio signal, comprising:
Wireless audio signal is received, and determines the coding mode of the wireless audio signal；
The wireless audio signal is converted into digital audio and video signals using the coding mode corresponding decoding process.
7. any one of -6 earphone test method according to claim 1, which is characterized in that the determining test assignment, comprising:
The target audio input mode is determined according to the selection result of selector, and raw according to the target audio input mode
At the test assignment.
8. a kind of earphone test macro characterized by comprising
Determining module, for determining test assignment；Wherein, the test assignment is specially the test to target audio input mode
Task；
Selecting module, for according to the target audio input mode selection target audio transmission access；
Output module, it is described to complete for being exported audio signal by the target audio transmission channel to loudspeaker
The test of target audio input mode.
9. a kind of earphone characterized by comprising
Selector for selection target audio input mode；
It is connected with the selector, for determining the processing of target audio transmission channel according to the target audio input mode
Device；
For obtaining the audio receiver of audio signal；
It is connected with the audio receiver, exports for receiving digital audio and video signals, and by processing result to the number of loudspeaker
Audio processor.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the step of the earphone test method as described in any one of claim 1 to 7 when the computer program is executed by processor
Suddenly.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313984A (en) * | 2020-02-19 | 2020-06-19 | 北京瑞森新谱科技股份有限公司 | Testing device and method for various audio codes of Bluetooth headset |
| CN112423195A (en) * | 2020-11-03 | 2021-02-26 | 广东公信智能会议股份有限公司 | Self-checking device and method for audio transmission |
| CN112822623A (en) * | 2020-12-31 | 2021-05-18 | 佳禾智能科技股份有限公司 | Wireless earphone abnormity detection method and structure |
| CN113179477A (en) * | 2021-06-30 | 2021-07-27 | 杭州兆华电子有限公司 | LHDC earphone testing method and system |
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