Hi, when I try to feed the RTP Payload with passing through the decoder (as mentioned by Brandon), the output is only noise. On the other hand after passing it through the decoder I could at least hear some audio but with noise. Can anybody give some valuable suggestions on this.
Regards On Tue, Mar 29, 2011 at 9:00 PM, Brandon W. Yuille <[email protected]>wrote: > 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 > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
