
Speech and multimedia Transmission Quality (STQ); Test Methods and Performance Requirements for Active Noise Cancellation Headsets and other Earphones
STANDARD published on 14.3.2025
Designation standards: ETSI TS 103640-V1.3.1
Publication date standards: 14.3.2025
The number of pages: 78
Approximate weight : 234 g (0.52 lbs)
Country: European technical standard
Category: Technical standards ETSI