ETSI TS 103640-V1.4.1

Speech and multimedia Transmission Quality (STQ) Test Methods and Performance Requirements for Active Noise Cancellation Headsets and other Earphones

STANDARD published on 7.4.2026

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The information about the standard:

Designation standards: ETSI TS 103640-V1.4.1
Publication date standards: 7.4.2026
The number of pages: 79
Approximate weight : 237 g (0.52 lbs)
Country: European technical standard
Category: Technical standards ETSI