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One to four Bluetooth earphone audio testing system

The one to four Bluetooth headphone audio testing system is a customized product based on the current headphone market demand. After long-term continuous optimization and comprehensive consideration of customer product characteristics, testing requirements, and manual operation habits, from hardware design to software platform, simple, efficient, and accurate testing results have been greatly achieved, with UPH reaching 480 hours per hour.
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    • Commodity name: One to four Bluetooth earphone audio testing system
    • Commodity ID: ABT6812

    The one to four Bluetooth headphone audio testing system is a customized product based on the current headphone market demand. After long-term continuous optimization and comprehensive consideration of customer product characteristics, testing requirements, and manual operation habits, from hardware design to software platform, simple, efficient, and accurate testing results have been greatly achieved, with UPH reaching 480 hours per hour.

    1. System introduction

    One tow four Bluetooth headset audio test system is a customized product according to the current earphone market demand. After long-term continuous optimization, combined with the comprehensive consideration of customer product characteristics, testing requirements and manual operation habits, from hardware design to software platform, the simple, efficient and accurate test effect has been greatly realized, and UPH can reach 480 / hour.

    The system is connected to the Bluetooth headset by the automatic test software, and the acoustic characteristics of the Bluetooth headset are tested through the audio analyzer, which provides a judgment basis for testing whether the headset enters the next process.

    One-to-four mode: 4 tested products are tested sequentially after they are ready, saving staff pick-up time and Bluetooth pairing time.

    Second, the characteristics of the system

    The test system is stable and consistent

    One-click calibration of software algorithms

    The test interface is user-friendly, and the staff is simple and easy to use

    Covering all audio test projects, customers can choose freely

    The steps to set the upper and lower limits are simple and straightforward

    Quickly convert model testing (copy the project template, change the upper and lower limits)

    The test time of the finished headset can be as fast as 17 seconds/4 pcs

    3. Test items

    A2DP frequency response curve

    A2DP distortion curve

      A2DP Rub&Buzz

    HFP frequency response curve

    HFP distortion curve

    Other customer-specific projects

    Fourth, the test principle

    1. Horn test

    The audio analyzer generates a standard test signal that is wirelessly transmitted to the headset under test through the Bluetooth box, and the artificial ear collects the output signal of the headset and transmits it back to the analog input of the audio analyzer through its power adapter for analysis, and the host computer software displays the test results and determines the results PASS/FAIL.

    2. Microphone test

    The analog output test signal of the audio analyzer is amplified by the power amplifier and pushes the artificial mouth to make sound, and the microphone of the headset under test collects the signal and transmits it back to the input of the audio analyzer through the Bluetooth box for analysis, so as to obtain the performance parameters of the microphone.

      

    5. Test the software

     

    The software interface adopts a modular structure, which intuitively displays the results of various parameters and related information about the product to be tested, such as Bluetooth address/volume, and displays the total number of tests and pass rate in real time. The software can be connected to the production MES system and supports the generation of test reports in multiple formats, which is convenient for relevant personnel to view and track data.

    Key words:
    • 测试
    • 耳机
    • 蓝牙
    • 音频
    • 软件
    • 系统
    • 分析仪
    • 曲线
    • 信号
    • 一拖四耳机测试系统
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