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ANC noise reduction headphone audio testing system

ABTEC ANC test system is a set of ANC test and headphone acoustic test system developed based on A2 audio analyzer. The system can manually or automatically test the passive noise reduction and Active noise control curve of headphones according to customer needs, support different noise reduction schemes such as FF, FB, Hybrid, automatically adjust the gain of the object to be tested to achieve the target noise reduction effect, and automatically burn the gain data. The testing system has good stability and fast speed, which can effectively solve the problem of noise reduction earphone testing in research and development or production lines. Simultaneously supporting noise reduction earphone filtering circuit curve testing, all related acoustic tests for ordinary Bluetooth earphones, TWS earphones, and wired earphones.
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    • Commodity name: ANC noise reduction headphone audio testing system
    • Commodity ID: ABT6807

    ABTEC ANC test system is a set of ANC test and headphone acoustic test system developed based on A2 audio analyzer. The system can manually or automatically test the passive noise reduction and Active noise control curve of headphones according to customer needs, support different noise reduction schemes such as FF, FB, Hybrid, automatically adjust the gain of the object to be tested to achieve the target noise reduction effect, and automatically burn the gain data. The testing system has good stability and fast speed, which can effectively solve the problem of noise reduction earphone testing in research and development or production lines. Simultaneously supporting noise reduction earphone filtering circuit curve testing, all related acoustic tests for ordinary Bluetooth earphones, TWS earphones, and wired earphones.

    1. Introduction to the test system:

    ABTEC ANC test system is based on A2 audio analyzer development of a set of ANC test and headphone acoustic test system, the system can manually or automatically test the passive noise reduction and active noise reduction curve of headphones according to customer needs, support FF, FB, Hybrid and other different noise reduction schemes, automatically adjust the gain of the product to be tested to achieve the target noise reduction effect, and automatically burn the gain data. The test system has good stability and fast speed, which can effectively solve the problem of R&D or production line noise reduction headphone testing. At the same time, it supports all related acoustic tests of noise reduction headphone filter circuit curve test, ordinary Bluetooth headset, TWS headset, and wired headset.

    Second, the hardware architecture of the test system:


    Third, the core components of the test system:

    A2 Audio Analyzer: an industry-recognized high-precision audio analyzer with a high market share in the audio test industry and supports automatic development and application in different languages;

    Main.exe ANC test software: independent research and development, multi-functional, simple setting, fast test speed;
     

    Fourth, the system features:

    Support FF, FB, Hybrid;

    Support ANC PCBA filter circuit test;

    Support ANC gain automatic adjustment;

    Support automatic burning function;

    Support automatic judgment of production testing;

    Support production test data statistics, test report automatic saving;

    Support Bluetooth headset, TWS headset, wired headset and other audio test;

    Support production test MES system;
     

    V. Test items:

    1. ANC test related items:

    L/R passive noise reduction curve;

    L/R active noise reduction curve;

    L/R noise reduction curve;

    L/R noise reduction balance curve;

    phase curve; Automatic adjustment of active noise reduction;

    2. Headphone acoustic test related items

    frequency response curve;

    sensitivity (SPL);

    Optional order harmonic distortion (2-20 times);

    Total Harmonic Distortion Curve (THD);

    Left and right channel single-frequency point distortion;

    Anomaly sound detection (Rub & Buzz);

    left and right headphone balance curves;

    Customize the balance of single frequency points;

    left and right polarity;

    left-right isolation;

    electroacoustic signal-to-noise ratio;

    Microphone frequency response curve;

      麦克风平均灵敏度;

      麦克风失真曲线;


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