
Speech and multimedia Transmission Quality (STQ); Test Methods and Performance Requirements for Active Noise Cancellation Headsets and other Earphones
NORM herausgegeben am 17.9.2020
Designation standards: ETSI TS 103640-V1.1.1
Publication date standards: 17.9.2020
The number of pages: 47
Approximate weight : 141 g (0.31 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI