This document describes an acoustic impedance measurement method applied to electroacoustic transducer waterproofing membrane die-cut parts. This document is applicable to the measurement of acoustic impedance of waterproof film die-cut parts of electroacoustic transducers, such as cars, mobile phones, headphones, computers, microphones, audio, virtual reality equipment, glasses, speakers, screens, conference systems, drones and Other smart wearables, etc.
T/CECA 79-2023 history
2023T/CECA 79-2023 Test method for acoustic impedance of waterproof membrane die-cutting part for electro-acoustical transducer