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Wideband - Adaptive Multi Rate

Wideband variable rate speech codecs such as the W-AMR codec used in UMTS systems offers superior wideband speech quality at data rates comparable to current narrowband speech codecs. This module does not focus on the actual operation of the W-AMR speech codec itself, but its impact on the UTRAN (UMTS Terrestrial Radio Access Network) and air interface channels that must support its operation.

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