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

[Steve Underwood]

On 04/15/2012 07:26 PM, Patrick Lists wrote:
> 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
There's lies, damn lies and mean opinion scores. The chart on that 
wikipedia page is mostly for humour value.

Regards,
Steve