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Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01

Koen Vos <koen.vos@skype.net> Fri, 15 March 2013 17:34 UTC

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From: Koen Vos <koen.vos@skype.net>
To: Xavier Marjou <xavier.marjou@gmail.com>, Adam Roach <adam@nostrum.com>
Thread-Topic: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01
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Date: Fri, 15 Mar 2013 17:34:10 +0000
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Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01
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Xavier Marjou wrote:
> Again, this threads deals with interoperability (i.e. communications between a WebRTC device and a non-WebRTC device).

Given that it's currently impossible to connect to a mobile phone in a legacy network without transcoding, could you tell us a bit about Orange/3GPP's plans to provide the kind of interop you describe?  If those plans  don't exist, how could this thread (or the IETF) be dealing with such interoperability?

koen.


________________________________
From: rtcweb-bounces@ietf.org on behalf of Xavier Marjou
Sent: Friday, March 15, 2013 6:51 AM
To: Adam Roach
Cc: rtcweb@ietf.org
Subject: Re: [rtcweb] Agenda time request for draft-marjou-rtcweb-audio-codecs-for-interop-01


Again, this threads deals with interoperability (i.e. communications between a WebRTC device and a non-WebRTC device).
Non-WebRTC devices mean nearly all of existing phones in the world; they are already deployed and there's no way to upgrade them all with OPUS on them.

Xavier

On Fri, Mar 15, 2013 at 1:42 PM, Adam Roach <adam@nostrum.com<mailto:adam@nostrum.com>> wrote:

I don't think this points to a need to push AMR into the web browsers, mind you. To take Justin's earlier point a few steps further: if we're going on number of shipping units, the mere existence of Chrome and Firefox's WebRTC implementation means that the number of deployed Opus codecs far overwhelms the number of deployed AMR codecs. Appeals to the size of codec deployment would more reasonably reach the conclusion that Opus should be MTI for the next 3GPP release. ;-)

/a

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