[Freeswitch-users] recording's channels shifted

Michael Collins msc at freeswitch.org
Fri Sep 21 01:24:43 MSD 2012


I recommend that you get a pcap of such a conversation and analyze it in
Wireshark. See if the lag shows up in the analysis or not. That will at
least give you a clue as to where the issue is. (Compare the recording on
disk with the playback in Wireshark. Note: you'll need the call to be g.711
for this to work.)

-MC

On Thu, Sep 20, 2012 at 2:03 PM, Tóth Róbert <trob at freemail.hu> wrote:

>  No, the callers do not notice anything, they hear each other without problem.
>
> One party is on the local network where FS is, and other is outside.
> But as they do not notice this problem, i think the problem is at the recording. I think.
>
>
> >* *This is more likely an issue with the media streams than the recording
> >* *itself. Do the callers notice anything? Is one or both callers outside the
> >* *local network where the FS server reside? Just looking for places where
> >* *interesting/weird things might happen.
> >* *
> >* *-MC
> >* *
> >* *On Thu, Sep 20, 2012 at 6:40 AM, Tóth Róbert <trob at freemail.hu <http://lists.freeswitch.org/mailman/listinfo/freeswitch-users>> wrote:
> >* *
> >* *>*  Hi*>* *>**>* *>* Why left and right channels' voice shifted from each other in the recorded*>* *>* mp3?*>* *>**>* *>* I record the sessions' voice thios way:*> >* <action application="set" data="execute_on_answer=record_session*> >* $${base_dir}/Record/${strftime(%Y%m%d-%H%M%S)}.mp3"/>*> >* When i listen back the mp3, at begining the two chennels are synchonized,*> >* but after some minutes there will be a shifting between the channels.*> >**> >* Why?*> >**> >* thanks,*> >* Robert*
>
>
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-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
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