T/CECA 79-2023 Active Group standards

T/CECA 79-2023 The measurement method for the sound impedance of waterproof membrane cut pieces used in electroacoustic transducers

Publish Date: 2023-01-04 Implement Date: 2023-01-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CECA 79-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Audio equipment, electroacoustic devices

ICS Name: Attachment

Publish Date: 2023-01-04

Implement Date: 2023-01-10

Scope

Main technical content: This document describes the method of measuring the acoustic impedance of waterproof membrane die-cut parts used in electroacoustic transducers. This document is suitable for measuring the acoustic impedance of waterproof membrane die-cut parts of electroacoustic transducers, such as automobiles, mobile phones, headphones, computers, microphones, audio equipment, virtual reality devices, glasses, speakers, screens, conference systems, drones, and other smart wearables, etc.