[asterisk-users] Star Wars Echo Sound

Chris Earle cearle at cbltech.ca
Thu Mar 27 16:16:21 CDT 2008


I wanna say that's the echotraining taking effect.

What it does is try to cause some echo so it can dynamically reconfigure the
levels on the fly -- right at the start of the call.  I know this happens
with digium cards -- not sure if the Sangoma cards behave the exact same
way.  It's only at the start of the call right? once that occurs, the EC is
kicked in and everything is fine?

--
Chris Earle
System Solutions Specialist,
Network Technologies Division

CBL Data Recovery
w: http://www.cbltech.com



"Rob Schall" <rschall at callone.net> wrote in message
news:47EC0243.6000906 at callone.net...
> We have a location that is having a really odd issue. We have a sangoma
> POTs card. We are running software echo cancellation with the card
> (through asterisk) to try to eliminate some major echoing problems. I've
> turned on both EC and echotrain, which seemed to have gotten rid of the
> echo for the most part. However, we are now running into an issue where
> the outside caller hears a star wars type of sound. I expierenced this
> myself when talking to them. By this, I mean you hear a few words from
> them, then a few seconds lagging behind, you'll hear a muffled (darth
> vader) version of the same thing.
>
> Has anyone seen this?
> Thanks,
> Rob
>
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