SSH ETS 300 973:1997 ed.1

Sistemi i telekomunikacionit dixhital celular; Fjalimi me gjysmë vlerë; Detektorë të Aktivitetit Audio (VAD) për kanalet e trafikut të të folurit me gjysmë vlerë (GSM 06.42 versioni 5.0.1)

Digital cellular telecommunications system; Half rate speech; Voice Activity Detector (VAD) for half rate speech traffic channels (GSM 06.42 version 5.0.1)

Scope

This European Telecommunication Standard (ETS) specifies the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX) as described in GSM 06.41 (ETS 300 972) [4]. It also specifies the test methods to be used to verify that a VAD implementation complies with this ETS. The requirements are mandatory on any VAD to be used either in GSM Mobile Stations (MS)s or Base Station Systems (BSS)s that utilize the half-rate GSM speech traffic channel.