Re: [rtcweb] Codec Draft

Randell Jesup <randell-ietf@jesup.org> Fri, 04 November 2011 20:10 UTC

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Date: Fri, 04 Nov 2011 16:09:40 -0400
From: Randell Jesup <randell-ietf@jesup.org>
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Subject: Re: [rtcweb] Codec Draft
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On 11/4/2011 1:26 PM, Xavier Marjou wrote:
> On Fri, Nov 4, 2011 at 5:31 PM, Iñaki Baz Castillo <ibc@aliax.net <mailto:ibc@aliax.net>> wrote:
>     http://tools.ietf.org/html/draft-kaplan-rtcweb-sip-interworking-requirements-00, which
>     I fully support by the way.
>
>     Xavier, such draft does not propose that Webrtc must implement all
>     the requirements in the draft. It just lists all the requirements
>     needed in order to fully interoperate with current SIP deployments
>     and opens the door for discussion about it.
>
> You rephrasing is correct : however the draft does indicate that many
> codecs would be desirable from an interworking perspective

For example, G.722 would be desirable for some interoperation scenarios, 
even though it's worse than Opus at similar bitrates. (And it's no 
longer under patent)

>     So let me know: do you support that browsers must implement g729?
>
> yes (for some calls, not for all calls)

Just to note: G.729's license requirements make supporting it a virtual 
impossibility for Mozilla, and unlikely for the other browsers.


-- 
Randell Jesup
randell-ietf@jesup.org