CN109348393A - A kind of automobile data recorder audio test system and its test method - Google Patents
A kind of automobile data recorder audio test system and its test method Download PDFInfo
- Publication number
- CN109348393A CN109348393A CN201811208833.1A CN201811208833A CN109348393A CN 109348393 A CN109348393 A CN 109348393A CN 201811208833 A CN201811208833 A CN 201811208833A CN 109348393 A CN109348393 A CN 109348393A
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- Prior art keywords
- data recorder
- automobile data
- test
- artificial
- machine
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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
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0816—Indicating performance data, e.g. occurrence of a malfunction
- G07C5/0833—Indicating performance data, e.g. occurrence of a malfunction using audio means
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention discloses a kind of automobile data recorder audio test systems, including electruacousticfidelity instrument, PC machine, USB line, artificial mouth and artificial ear, the PC machine is connect with electruacousticfidelity instrument, the electruacousticfidelity instrument is also connected with artificial mouth and artificial ear, during the test, the electruacousticfidelity instrument passes through artificial mouth and artificial ear and tested automobile data recorder communication connection, the tested automobile data recorder also passes through USB line and connect with PC machine, it also proposed a kind of test method of automobile data recorder audio test system, including microphone test and loudspeaker test two parts.A kind of automobile data recorder audio test system provided by the invention, it is made of electruacousticfidelity instrument, PC machine, USB line, artificial mouth and artificial ear, realize the communication of PC machine and automobile data recorder, by PC machine directly control tested automobile data recorder make make a sound and recording act and complete data analysis, convenient test, it is high-efficient, test its product with enabling automobile data recorder production firm convenient and efficient.
Description
[technical field]
The present invention relates to the technical field of electroacoustical measurement, in particular to a kind of automobile data recorder audio test system and its survey
Method for testing.
[background technique]
Automobile data recorder is the instrument of the relevent informations such as the image recorded vehicle driving on the way and sound.Driving recording is installed
After instrument, it is able to record the video image and sound of running car overall process, evidence can be provided for traffic accident.Automobile data recorder
Audio frequency apparatus includes MIC and loudspeaker two parts.Currently without the test equipment for being directed to automobile data recorder audio frequency apparatus.In order to solve
This problem, it is necessary to propose a kind of automobile data recorder audio test system and its test method.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, a kind of automobile data recorder audio test system is provided
And its test method, it aims to solve the problem that and is asked in the prior art without the technology of the test equipment for automobile data recorder audio frequency apparatus
Topic.
To achieve the above object, the invention proposes a kind of automobile data recorder audio test system, including electruacousticfidelity instrument,
PC machine, USB line, artificial mouth and artificial ear, the PC machine are connect with electruacousticfidelity instrument, and the electruacousticfidelity instrument is also connected with imitative
True mouth and artificial ear, during the test, the electruacousticfidelity instrument pass through artificial mouth and artificial ear and tested driving recording
Instrument communication connection, the tested automobile data recorder also pass through USB line and connect with PC machine.
Preferably, the audio frequency apparatus of the automobile data recorder includes microphone and loudspeaker two parts, during the test,
The artificial mouth is oppositely arranged with microphone, and the artificial ear is oppositely arranged with loudspeaker.
Preferably, the automobile data recorder also has the memory of storage recording file.
Preferably, the electruacousticfidelity instrument uses CRY6151 electruacousticfidelity instrument.
The invention also provides a kind of test methods of automobile data recorder audio test system, including microphone test and loudspeaker
Test two parts, the specific steps are as follows:
S1, preparation: respectively passing through connecting line for artificial mouth and artificial ear and connect with interface corresponding on electruacousticfidelity instrument,
And the microphone of artificial mouth and tested automobile data recorder is oppositely arranged, and artificial ear is opposite with the loudspeaker of tested automobile data recorder to be set
It sets；
S2, microphone test: controlling electruacousticfidelity instrument by PC machine, issues the artificial mouth for being connected to electruacousticfidelity instrument special
Determine sound, while controlling automobile data recorder and starting to record, after End of Tape, automobile data recorder is switched to USB flash disk mode, PC machine tune
It with the recording file in automobile data recorder memory, and is analyzed by electruacousticfidelity instrument, obtains analysis result；
S3, loudspeaker test: PC machine controls automobile data recorder, so that the loudspeaker of automobile data recorder is played specific audio, then uses
The voice signal that artificial ear broadcasts automobile data recorder is passed to electruacousticfidelity instrument, is analyzed by electruacousticfidelity instrument.
Preferably, obtained analysis result is stored in automobile data recorder in the form of txt file in the S2 step
In memory.
Beneficial effects of the present invention: compared with prior art, a kind of automobile data recorder audio-frequency test system provided by the invention
System, is made of electruacousticfidelity instrument, PC machine, USB line, artificial mouth and artificial ear, the communication of PC machine and automobile data recorder is realized, by PC
Machine directly control tested automobile data recorder make make a sound and recording act and complete data analysis, convenient test, efficiency
Height tests its product with enabling automobile data recorder production firm convenient and efficient.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of schematic diagram of automobile data recorder audio test system of the embodiment of the present invention.
[specific embodiment]
In order to make the objectives, technical solutions and advantages of the present invention clearer, below by accompanying drawings and embodiments, to this
Invention is further elaborated.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention,
The range being not intended to restrict the invention.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to keep away
Exempt from unnecessarily to obscure idea of the invention.
Refering to fig. 1, the embodiment of the present invention provides a kind of automobile data recorder audio test system, including electruacousticfidelity instrument 1, PC
Machine 2, USB line 3, artificial mouth 4 and artificial ear 5, the PC machine 2 are connect with electruacousticfidelity instrument 1, and the electruacousticfidelity instrument 1 is also
Artificial mouth 4 and artificial ear 5 are connected, during the test, the electruacousticfidelity instrument 1 is by artificial mouth 4 and artificial ear 5 and is tested
6 communication connection of automobile data recorder, the tested automobile data recorder 6 also connect with PC machine 2 by USB line 3；The driving note
The audio frequency apparatus for recording instrument 6 includes microphone and loudspeaker two parts, and during the test, the artificial mouth 4 is opposite with microphone
Setting, the artificial ear 5 are oppositely arranged with loudspeaker；The automobile data recorder 6 also has the memory of storage recording file；
The electruacousticfidelity instrument 1 uses CRY6151 electruacousticfidelity instrument.The test method of the automobile data recorder audio test system, packet
It includes microphone test and loudspeaker tests two parts, the specific steps are as follows:
S1, preparation: artificial mouth 4 and artificial ear 5 are respectively connected by connecting line with interface corresponding on electruacousticfidelity instrument 1
It connects, and artificial mouth 4 and the microphone of tested automobile data recorder 6 are oppositely arranged, the loudspeaker of artificial ear 5 and tested automobile data recorder 6
Be oppositely arranged.
S2, microphone test: controlling electruacousticfidelity instrument 1 by PC machine 2, sends out the artificial mouth 4 for being connected to electruacousticfidelity instrument 1
Specific sound out, while controlling automobile data recorder 6 and starting to record, after End of Tape, automobile data recorder 6 is switched to USB flash disk mode,
PC machine 2 calls the recording file in 6 memory of automobile data recorder, and is analyzed by electruacousticfidelity instrument 1, and analysis knot is obtained
Fruit, obtained analysis result are stored in the memory of automobile data recorder 6 in the form of txt file.
S3, loudspeaker test: PC machine 2 controls automobile data recorder 6, so that the loudspeaker of automobile data recorder 6 is played specific audio, then
It is passed to electruacousticfidelity instrument 1 with the voice signal that artificial ear 5 broadcasts automobile data recorder 6, is analyzed by electruacousticfidelity instrument 1.
A kind of automobile data recorder audio test system of the present invention, by electruacousticfidelity instrument 1, PC machine 2, USB line 3,4 and of artificial mouth
Artificial ear 5 is constituted, and structure is simple, realizes the communication of PC machine and automobile data recorder, tested driving recording is directly controlled by PC machine 2
Instrument 6 make make a sound and recording act and complete data analysis, convenient test is high-efficient, makes automobile data recorder production firm
It can test to convenient and efficient its product.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of automobile data recorder audio test system, it is characterised in that: including electruacousticfidelity instrument (1), PC machine (2), USB line
(3), artificial mouth (4) and artificial ear (5), the PC machine (2) are connect with electruacousticfidelity instrument (1), the electruacousticfidelity instrument (1)
It is also connected with artificial mouth (4) and artificial ear (5), during the test, the electruacousticfidelity instrument (1) passes through artificial mouth (4) and imitative
Real ear (5) and tested automobile data recorder (6) communication connection, the tested automobile data recorder (6) also by USB line (3) with
PC machine (2) connection.
2. a kind of automobile data recorder audio test system as described in claim 1, it is characterised in that: the automobile data recorder
(6) audio frequency apparatus includes microphone and loudspeaker two parts, and during the test, the artificial mouth (4) is opposite with microphone
Setting, the artificial ear (5) are oppositely arranged with loudspeaker.
3. a kind of automobile data recorder audio test system as described in claim 1, it is characterised in that: the automobile data recorder
(6) also there is the memory of storage recording file.
4. a kind of automobile data recorder audio test system as described in claims 1 to 3 any one, it is characterised in that: described
Electruacousticfidelity instrument (1) use CRY6151 electruacousticfidelity instrument.
5. a kind of test method of automobile data recorder audio test system, it is characterised in that: surveyed including microphone test and loudspeaker
Try two parts, the specific steps are as follows:
S1, preparation: artificial mouth (4) and artificial ear (5) are respectively passed through into connecting line and corresponding interface on electruacousticfidelity instrument (1)
Connection, and artificial mouth (4) and the microphone of tested automobile data recorder (6) are oppositely arranged, artificial ear (5) and tested driving recording
The loudspeaker of instrument (6) are oppositely arranged；
S2, microphone test: electruacousticfidelity instrument (1) is controlled by PC machine (2), makes the artificial mouth for being connected to electruacousticfidelity instrument (1)
(4) specific sound is issued, while controlling automobile data recorder (6) and starting to record, after End of Tape, automobile data recorder (6) are switched
To USB flash disk mode, PC machine (2) calls the recording file in automobile data recorder (6) memory, and is carried out by electruacousticfidelity instrument (1)
Analysis obtains analysis result；
S3, loudspeaker test: PC machine (2) controls automobile data recorder (6), so that the loudspeaker of automobile data recorder (6) is played specific audio, so
It is passed to electruacousticfidelity instrument (1) with the voice signal that artificial ear (5) broadcast automobile data recorder (6) afterwards, is passed through electruacousticfidelity instrument (1)
It is analyzed.
6. a kind of test method of automobile data recorder audio test system as claimed in claim 5, it is characterised in that: described
In S2 step, obtained analysis result is stored in the memory of automobile data recorder (6) in the form of txt file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208833.1A CN109348393A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile data recorder audio test system and its test method |
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| CN201811208833.1A CN109348393A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile data recorder audio test system and its test method |
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| CN109348393A true CN109348393A (en) | 2019-02-15 |
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| CN201811208833.1A Pending CN109348393A (en) | 2018-10-17 | 2018-10-17 | A kind of automobile data recorder audio test system and its test method |
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Cited By (2)
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|---|---|---|---|---|
| CN111398715A (en) * | 2020-04-03 | 2020-07-10 | 史善军 | Vehicle event data recorder calibration equipment |
| CN112261566A (en) * | 2020-09-15 | 2021-01-22 | 杭州兆华电子有限公司 | AI intelligent glasses audio test method based on cloud service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112261566A (en) * | 2020-09-15 | 2021-01-22 | 杭州兆华电子有限公司 | AI intelligent glasses audio test method based on cloud service |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 310000 No. 10, Xianqiao Road, Zhongtai street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Zhaohua Electronics Co.,Ltd. Address before: 310000 building 1-3, No. 31-1, Xianxing Road, Xianlin street, Yuhang District, Hangzhou City, Zhejiang Province Applicant before: CRY SOUND CO.,LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190215 |