[Asterisk-Users] Amazing, great protocol IAX

[Steve Underwood]

Steve Underwood wrote:

> Andrew Kohlsmith wrote:
>
>> On Monday 04 October 2004 00:21, Adam Hart wrote:
>>  
>>
>>> Why do you need GSM at all, just keep everything iLBC. Asterisk won't
>>> have to transcode and it will sound much better
>>>   
>>
>>
>> I find GSM to be lower bandwidth, higher quality and less CPU 
>> intensive than iLBC with *.  Just my opinion.  Perhaps once the audio 
>> recovery is available with * and iLBC I'll give it another go but 
>> really I see no advantage to iLBC at this time.
>>  
>>
> Whatever quality you get, transcoding the audio will make it work. 
> Also, it depends what you put through the channel. Play music through 
> GSM 06.10 and it will less less horrible than through iLBC. Play a 
> single clean voice through GSM 06.10 and it should be somewhat poorer 
> than iLBC. In general, the more agressively you code, the more the 
> result is tuned to one particular thing - individual voices, in the 
> case of voice codecs.

Sorry. My intention was "transcoding the audio will make it worse".

Steve