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ETSI TS 146 042
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ETSI TS 146 042 Digital cellular telecommunications system (Phase 2+); Half rate speech; Voice Activity Detector (VAD) for half rate speech traffic channels (3GPP TS 46.042 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 04/01/2017
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Full Description
The present document specifies the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission(DTX) as described in GSM 06.41 [4]. It also specifies the test methods to be used to verify that a VAD implementationcomplies with the present document.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.