rtp amer 4d

Wideband AMR (Adaptive Multi-Rate) is an extension of the AMR speech coding algorithm that is designed to support higher quality speech signals with a wider frequency range. winning 4d The original AMR codec was designed to operate at a sampling rate of 8 kHz and supported a range of bit rates from 4. rtp slot 4d live 75 kbps to 12 2 kbps