[Freeswitch-users] recording's channels shifted

[Tóth Róbert]

Could you explain me this?



Feladó: Brian Foster <bdfoster at endigotech.com>
Címzett: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
Tárgy: Re: [Freeswitch-users] recording's channels shifted
Dátum: 2012. Szeptember 21. 1:47:30
> I've ran into this before, and it ended up being feedback from the handsets on both sides of the 
> call. It doesn't really bother us now that we know what it is.
>
> -BDF
>
> On Thu, Sep 20, 2012 at 5:24 PM, Michael Collins <msc at freeswitch.org <mailto:msc at freeswitch.org>> 
> wrote:
>
>     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 <mailto: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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> -- 
> Brian D. Foster
> Endigo Computer LLC
> Email: bdfoster at endigotech.com <mailto:bdfoster at endigotech.com>
> Phone: 317-800-7876
> Indianapolis, Indiana, USA
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