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Re: [rtcweb] SDP and ssrc-group,

"Makaraju, Maridi Raju (Raju)" <Raju.Makaraju@alcatel-lucent.com> Thu, 23 October 2014 19:29 UTC

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From: "Makaraju, Maridi Raju (Raju)" <Raju.Makaraju@alcatel-lucent.com>
To: "Timothy B. Terriberry" <tterriberry@mozilla.com>, "rtcweb@ietf.org" <rtcweb@ietf.org>
Thread-Topic: [rtcweb] SDP and ssrc-group,
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Date: Thu, 23 Oct 2014 19:29:00 +0000
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References: <CALiegfmH8rRyEDbJjQ=kzMv0nGC=S9gNsE7roE=kqJyVcfgy8g@mail.gmail.com> <CAJrXDUHekuQCLeCYzsnm8AuTUgiVppQHUqR7MKdQ9Q=eFFAy0w@mail.gmail.com> <CALiegfm_B5KfD5SBPzsH4YYuzD2OXdu47TtatPVmd6ihrMCh1A@mail.gmail.com> <CAJrXDUF-AXcDuQmYhH91vbgPAxLkYkB==GY9opoRk7zrEP8A7A@mail.gmail.com> <CALiegfmxnzZ6_3rKX0paNhHas6Emvu1Mekgb9caj9NLVSf_u+g@mail.gmail.com> <5F93BF20-03B2-4D2D-BEFC-ED91250993BD@gmail.com> <54480864.4050106@gmail.com> <5448583B.5090109@mozilla.com> <E1FE4C082A89A246A11D7F32A95A17828E5EE05D@US70UWXCHMBA02.zam.alcatel-lucent.com> <544936E5.2040909@mozilla.com>
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Subject: Re: [rtcweb] SDP and ssrc-group,
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> 
> Makaraju, Maridi Raju (Raju) wrote:
> > OPUS does have a built-in FEC so no need for red+ulpfec.
> 
> As discussed previously on this list [1] the built-in FEC only covers
> the SILK layer. Existing codec-agnostic mechanisms were perfectly
> adequate for protecting CELT-mode packets, so we didn't invent something
> new.
> 
> [1] https://www.ietf.org/mail-archive/web/rtcweb/current/msg12353.html
[Raju] Thanks and appreciate the reference.

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