[Asterisk-Users] I cannot use G711 (ulaw|alaw)

[Androtech]

Hi Dan,

disabling AGC echo is reduced.What AGC is and what is it for?
Thanks



----- Original Message ----- 
From: "Dan" <danto at rdslink.ro>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Sunday, March 20, 2005 12:07 PM
Subject: Re: [Asterisk-Users] I cannot use G711 (ulaw|alaw)


> Hi,
>
>> Solved, thanks
>>
>> Dan, I'm just performing same tuning testing for echo.
>> Using Diax I can hear echo in my mobile. It happens for any codec that I 
>> use (G711, GSM, iLbc, speex). Using Firefly with GSM or alaw, echo is 
>> very reduced. (I can hear just a bit of echo). Can you suggest same 
>> adjustment for Diax. I really would'nt use Firefly....
>
> You have some things to check:
> - use just the microphone as rec device in the soundcard audio mixer 
> (unselect wave device)
> - use just the wave device as playback device in the soundcard audio mixer 
> (uunselect mic)
> - try to disable in DIAX audio configuration the AGC. It is very strong 
> and in
> some situations (not a very good isolation in the headset) can give you a 
> persistent  echo
> at the  other end.
>
> Pls send me your feedback after that.
>
> Best regards,
> Dan
>
>
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