The fundamental of QCELP speech coding technology is introduced. According to the features of TMS320C54X family DSP of TI Inc., the implementation approach of QCELP speech coding with fixed-point DSP (digital signal processor) is presented.
Lan Liu, Lan Liu,
Wei Wu, Wei Wu,
"Speech coding technology in CDMA mobile system and its implementation", Proc. SPIE 5283, Mobile Service and Application, (29 March 2004); doi: 10.1117/12.521923; https://doi.org/10.1117/12.521923