Speech Coding Functions
Speech Coding Type
Bit Rate
Frame Duration
Block Length
Classes
Bit Rate with FEC Encoding
10
Regular pulse excitation/linear predictive coding with long term prediction (RPE LPC
with LTP)
13.0 kbps
20 ms
260 bits
Class 1 bits = 182 bits; Class 2 bits = 78 bits
22.8 kbps
April 01, 2008
Specification
U9 GSM
6809513A81-A