[asterisk-dev] iLBC packet loss concealment (was: code-cleanup concerns)

[Steve Underwood]

Anton wrote:

>Thanks for explanation Stieve, the next question arizes, 
>sorry if it may be stupid :) , Does not asterisk use 64kbps 
>internally (signed linear), so any codec would be converted 
>to 64k first when audio is processed by Ast*?
>  
>
Internally Asterisk uses 16 bit samples of signed linear audio at 8k 
samples per second. This is 128kbps, not 64kbps. Right now any codec is 
converted to this during transcoding. This is a bad thing. It ties 
Asterisk to 4kHz bandwidth. It is something that needs fixing.

Steve