[Asterisk-Dev] 16 KHz audio ?

[Brian West]

> I've seen nowhere a plan to improve audio quality.

No need too. But that goes to show how much you pay attention to the code.

Check iax2.h

#define IAX_RATE_8KHZ    (1 << 0) /* 8khz sampling (default if absent) */
#define IAX_RATE_11KHZ   (1 << 1) /* 11.025khz sampling */
#define IAX_RATE_16KHZ   (1 << 2) /* 16khz sampling */
#define IAX_RATE_22KHZ   (1 << 3) /* 22.05khz sampling */
#define IAX_RATE_44KHZ   (1 << 4) /* 44.1khz sampling */
#define IAX_RATE_48KHZ   (1 << 5) /* 48khz sampling */

> It seems that the Skype success is partly due to its
> 16 KHz audio bandwidth. It gives users the feeling that
> the far party is in the same room.

No, Skype's success is the ability for someone with an IQ of around a 1st
grader to install and use it.

bkw