Hello Jay, The range of 8-bit mu law fits end-to-end into the range of 13-bit uniform PCM. I guess that's the reason behind. Regards, Miguel jay_coep wrote: > > >Hello, > > Can anybody please help explaining why GSM speech codecs (atleast >HR,AMR) prefer 13 bit uniform PCM encoding ? I mean what is so special >about '13' (Anything to do with SNR for speech signal?) > >Thanks in anticipation. > >Regards, >Jaydeep > |