[asterisk-users] g.722 + loudness

[Steve Underwood]

Hose wrote:
> What you say...Dave Fullerton (dfullertasterisk at shorelinecontainer.com):
>
>   
>> Kevin P. Fleming wrote:
>>     
>>> Hose wrote:
>>>
>>>       
>>>> I have a feeling that the issue is between transcoding of ulaw to g.722
>>>> and it's too loud during the transcoding - anyway to adjust the levels?
>>>>         
>>> There was a flaw in Asterisk's G.722 transcoder module that was fixed
>>> recently (on May 15, 2009), so any release made after that date should
>>> solve your problem. Upgrading to 1.6.0.10 should give you the fix (and
>>> the fix should be noted in the ChangeLog for 1.6.0.10 as well).
>>>       
>> It is not in the 1.6.0.10 Changelog nor the 1.6.1.1 Changelog. It is, 
>> however, in the 1.6.0.11-rc1 Changelog and the 1.6.2.0-beta3 Changelog.
>>
>> -Dave
>>     
>
> Interesting - the one time I didn't bother to upgrade it gets listed as
> fixed in the changelog.
>
> However I did upgrade just now after a break in calls to .10.
> Unfortunately it's still the same, but might the change not have been
> implemented in .10 according to Dave's notes?
>
> The workaround at the moment is just to use ulaw and that works (though
> obviously without the wonders that is g.722).  If it's in the pipline
> for .11, I can just hang out until then as I'd prefer not to run an -rc
> version.
>   
Even when a loud voice drives the G.722 into trouble, it still sounds 
better than crappy u-Law. :-)

Only a few lines were changed in the G.722 codec files. You could easily 
replicate those changes in an older version of Asterisk, if you need to.

Steve