GB/T 25498.5-2017
ActiveElectroacoustics—Simulators of human head and ear—Part 5：2 cm3 coupler for the measurement of hearing aids and earphones coupled to the ear by means of ear inserts
电声学 人头模拟器和耳模拟器 第5部分：测量助听器和以插入方式与人耳耦合的耳机用2cm3声耦合器
Application Summary AI generated
This standard specifies the mechanical and acoustic characteristics of a 2 cm³ coupler used to simulate the human ear for testing hearing aids and insert earphones. It is applied in electroacoustic metrology and quality control to ensure consistent and accurate measurement of sound pressure levels produced by devices that couple directly into the ear canal. The standard is essential for manufacturers, testing laboratories, and regulatory bodies involved in hearing aid calibration and audio device compliance.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.