Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice 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.