GB/T 20441.8-2025
ActiveElectroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
电声学 测量传声器 第8部分：测定工作标准传声器自由场灵敏度的比较法
Application Summary AI generated
This standard specifies a comparison method for determining the free-field sensitivity of working standard microphones, which are used as reference devices in acoustic measurements. It is applied in metrology laboratories and calibration facilities to ensure traceability and accuracy of sound pressure level measurements in industries such as audio equipment testing, environmental noise monitoring, and hearing aid development. The method involves comparing the microphone under test against a reference microphone in a free-field acoustic environment, typically an anechoic chamber.
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