Re: [rtcweb] FEC for audio?

"Timothy B. Terriberry" <tterriberry@mozilla.com> Tue, 20 May 2014 13:49 UTC

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From: "Timothy B. Terriberry" <tterriberry@mozilla.com>
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Subject: Re: [rtcweb] FEC for audio?
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Justin Uberti wrote:
> I don't think we would send a standalone FEC packet, given the overheads
> - I would expect we would use RFC 2198 encoding and send 5109 FEC as
> piggyback on the 'next' audio packet, similar to how I understand the
> internal FEC works. This would have (5 + 10 + 4) * 8 = 152 bits of
> overhead per packet, or ~8 Kbps when using 20 ms frames.

Yes, that would be much better.