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Re: [rtcweb] SDP and ssrc-group,

"Timothy B. Terriberry" <tterriberry@mozilla.com> Thu, 23 October 2014 17:12 UTC

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Date: Thu, 23 Oct 2014 10:12:05 -0700
From: "Timothy B. Terriberry" <tterriberry@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

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