[Freeswitch-users] Audio clipping in mod_conference

[covici at ccs.covici.com]

I found that 0 was the only thing that prevented the clipping --
particularly on the recording.

Anthony Minessale <anthony.minessale at gmail.com> wrote:

> yes? set it to something between what it was and 0 ?
> 
>  <param name="energy-level" value="300"/>
> 
> try 200 100 50 ?
> 
> 2011/11/3 Roland Hänel <roland at haenel.me>
> 
> > Hi,
> >
> > During thorough testing of our conference solution which is based on
> > FreeSwitch / mod_conference, we noticed some 'audio clipping' during the
> > conference. Typically, if a conference member didn't have audio for some
> > time and then begins to speak, the first syllable will be clipped and
> > cannot be heard by the other conference participants.
> >
> > We ruled out a number of possible causes, and finally discovered that the
> > energy level detection algorith seems to be the source of the problem.
> > Setting the energy level for all participants to "0" heals the problem (of
> > course now the noise might be higher since every participant's noise
> > contributes to the total noise), but this setting is not very useful since
> > the "talking detection" seems to rely on the same level, i.e. with energy
> > "0", all members are marked talking all the time (which effectively renders
> > the "talking" display useless).
> >
> > Is there any chance to tune the energy level detection time (!), or to
> > de-couple talking detection an energy level detection in FreeSwitch?
> >
> > Best regards,
> > Roland
> >
> >
> >
> > FreeSWITCH-users mailing list
> > FreeSWITCH-users at lists.freeswitch.org
> > http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> > UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> > http://www.freeswitch.org
> >
> >
> 
> 
> -- 
> Anthony Minessale II
> 
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-- 
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         John Covici
         covici at ccs.covici.com