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Libya Microphone automatic test system
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Product Description
I. Function Overview
This system uses our own high-performance two-channel A2 audio analyzer and related acoustic testing accessories, such as standard microphones, artificial mouths, etc. Mai's consistency test.
Second, the test schematic
The analog signal source of the A2 audio analyzer sends a standard signal source, plays standard audio through the power amplifier and artificial mouth, collects the signal from the microphone under test, and transmits the collected signal to the analog or digital input of the A2 audio analyzer for parameter analysis; The microphone is used to calibrate the artificial mouth so that it produces a standard sound source in the test frequency band, and the test conditions are reasonably set.
The microphone is divided into analog microphone and digital microphone according to the different output signals. The specific test is determined by the microphone. The A2 audio analyzer supports analog, digital (PDM, I2S, etc.) and audio file analysis;
Third, the test software is introduced
The test interface is simple and friendly, easy to operate and can be flexibly scheduled;
Automatically judge PASS / FAIL;
Test parameters can be set by yourself;
Data export function;
Support multiple data file access;
Fourth, equipment list
Microphone test equipment list | |||
Serial number | Device name | manufacturer | Quantity |
1 | A2 audio analyzer | ABTEC | 1 |
2 | DSIO + PDM option | ABTEC | 1 |
3 | Power amplifier | custom made | 1 |
4 | Artificial mouth | custom made | 1 |
5 | Standard microphone (including power adapter) | custom made | 1 |
6 | Acoustic Calibrator | custom made | 1 |
7 | Soundproof box | custom made | 1 |
8 | Test wire | ABTEC | Several |
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Add:101-102, building 2, No. 1310, Guanguang Road, Kukeng community, Guanlan street, Longhua District, Shenzhen,China
Tel：+86-755-83680078
Email：sales@szaptk.com
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