Working Group on Measurement of the Noise Attenuation of Active and/or Passive Level Dependent Hearing Protective Devices

Last Known Chair: ASA Standards

Scope: Measuring the noise attenuation of active and/or passive level dependent hearing protective devices (HPDs) for the purpose of determining their protection performance. This would include either passive or active sound talk-through paths to bypass the device’s attenuation in a sound level dependent fashion.

Responsible for the following published standards:


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