1 Scope

26.1943GPPAdaptive Multi-Rate - Wideband (AMR-WB) speech codecRelease 17Speech codec speech processing functionsTSVoice Activity Detector (VAD)

This document specifies the Voice Activity Detector (VAD) to be used in the Discontinuous Transmission (DTX) as described in [3].

The requirements are mandatory on any VAD to be used either in User Equipment (UE) or Base Station Systems (BSS)s that utilize the AMR wideband speech codec.