[Asterisk-Dev] Channels, jitterbuffer and PLC?
Bob Carlson
bob.carlson at sigpro.com
Tue Apr 12 17:58:48 MST 2005
That sounds good and is about what I would expect. Am I correct in thinking
that the current code in chan_sip/rtp does NOT include JB and PLC? I only
looked at it a little bit, but I didn't see anything.
I realize "current code" is a relative thing. Our snapshot of HEAD was
from a month or two ago. Might the answer be different in those two time
periods?
Cheers, Bob
-----Original Message-----
From: asterisk-dev-bounces at lists.digium.com
[mailto:asterisk-dev-bounces at lists.digium.com] On Behalf Of Steve Kann
Sent: Tuesday, April 12, 2005 5:03 PM
To: Asterisk Developers Mailing List
Subject: Re: [Asterisk-Dev] Channels, jitterbuffer and PLC?
Yes, pretty easily for the JB.
The one problem you'll find for a full implementation is that presently,
PLC only takes place upon translation from someformat -> slinear, and
not the other way around, but if you only take slinear in, then you
could do the PLC yourself (also, that's not too hard).
But, now that I read your query again, this isn't what you want at all:
If your side is TDM, you don't want a jitterbuffer there. You want the
jitterbuffer on the receive side of the VoIP channels. So, assuming that
RTP/chan_sip gets the jitterbuffer, and you're taking in slinear, it
should all be good for you with no knowledge of the jitterbuffer or PLC
going on.
-SteveK
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