Hi Siga, Isn't G.711 decoded already signed 16bits per sample @ 8000Hz PCM (I seem to remember that's what the ITU implementation outputs - signed short array)? I don't believe you need to do any resampling if your playback device is setup to use 16bit single channel 8000Hz PCM audio.
Brandon On 03/29/2011 10:46 AM, Siga wrote: > Hi, > I need some assistance from the SIP professionals regarding the decoder > part, i am using A-Law for encoding and decoding. My encoder for RTP > packets using G.711 A-law encoder works pretty much OK, but I have got some > flaws with the decoding part. Especially with the upsampling conversion from > 8 bits to 16 bits, what should be the size of the buffer for storing the > decoded RTP payload. I can hear some audio but with poor quality. > > Any working example regarding this part would be helpful for my analysis. > > Regards > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
