[asterisk-users] Transcoding degradation G711<->iLBC

[Patrick Lists]

On 04/15/2012 01:15 PM, Gustavo Garcia Bernardo wrote:
> Is it a good idea to use asterisk transcoding from G711 to iLBC or
> should I find out any other solution not involving transcoding (f.e.
> using G.729 that is supported in both sides). I'm worried about voice
> quality and trying to avoid paying for G.729 licensing.
>
> Anybody with experience or quantitative measurements of the voice
> quality degradation in that scenario?

The term that may interest you is "Mean Opinion Score" and iLBC is quite 
good. See http://en.wikipedia.org/wiki/Mean_opinion_score

Regards,
Patrick