[Freeswitch-users] Extract audio from PCAP

[covici at ccs.covici.com]

I have been looking at the man page for tshark, and I don't see any
reference to audio at all -- what am I missing here?

Michael Collins <msc at freeswitch.org> wrote:

> I like that cool Perl script. I'll have to try that some time. In the
> meantime you can use tshark to extract the rtp and then use sox to turn
> them into wav files. I'm working on a script to do that automatically, but
> in the meantime this post should help:
> 
> http://gteissier.wordpress.com/2010/03/02/tshark-the-swiss-army-knife-of-packet-analysis/
> 
> -MC
> 
> On Sun, Mar 3, 2013 at 4:40 PM, shouldbe q931 <shouldbeq931 at gmail.com>wrote:
> 
> > On Sun, Mar 3, 2013 at 11:40 PM, Avi Marcus <avi at avimarcus.net> wrote:
> > > I've have some really large PCAPs sometimes and wireshark just dies
> > trying
> > > to decode the audio in them.
> > >
> > > All the links for audio extraction on voipinfo seem really old.
> > >
> > > Is there something else to extract the audio from pcaps? Or some command
> > to
> > > to pass tshark to just save all audio as a .wav file?
> > >
> > > What does voipmonitor use?
> > > I think I asked this before...
> > >
> > > Thanks,
> > > -Avi Marcus
> >
> > How big are the pcap files ?
> >
> > you could use editcap to split them up into more manageable chunks,
> > and then use wireshark...
> > http://www.wireshark.org/docs/man-pages/editcap.html
> >
> > I've not either but, youmight look at
> >
> > http://frox25.no-ip.org/~mtve/wiki/RtpExtract.html
> >
> > and
> >
> > http://www.netresec.com/?page=NetworkMiner
> >
> > Cheers
> >
> > Arne
> >
> > _________________________________________________________________________
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> >
> > 
> > 
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> 
> 
> 
> -- 
> Michael S Collins
> Twitter: @mercutioviz
> http://www.FreeSWITCH.org
> http://www.ClueCon.com
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> 
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-- 
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         John Covici
         covici at ccs.covici.com