GSM-FR was the first digital speech coding standard used in GSM digital mobile phone systems. Its bit rate is 13 kbps.
The VoiceAge GSM-FR implementation is fully compliant with the ETSI GSM 06.10 Full Rate (FR) speech transcoding specification.
Technology
Encoded bandwidth
~ 200-3400 Hz
Standardized
ETSI 1987
Coding type
RPE-LTP (Regular Pulse Excitation with Long-Term Prediction)
Bit rate
13 kbps
Delay (ms): Frame size Lookahead
20 0
Quality
< Toll
Complexity: MIPS RAM (words)
4.5 1 K
