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Re: Help needed on VoIP project


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  • From:
  • To: Ben Teitelbaum <>
  • Cc:
  • Subject: Re: Help needed on VoIP project
  • Date: Wed, 3 Mar 2004 08:26:12 -0500


> I have some
> skepticism in general about FEC that adapts to send more packets when
> there is congestion!

More packets helps you(*) and hurts others. But I argue that we already
know/accept that voip isn't a "fair" application.

>And, of course, FEC is a very naive packet loss
> concealment algorithm---if you know your signal is human speech, you
> can do a lot better (consider iLBC).

I agree completely.



* - ok, in the case where you are the only user and are saturating your
available bw, sending more packets will have no effect. You are going to
get the same throughput.



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