A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : WebRTC audio codecs for interoperability with legacy networks.
Author(s) : Xavier Marjou
Stephane Proust
Kalyani Bogineni
Roland Jesske
Bernhard Feiten
Lei Miao
Filename : draft-marjou-rtcweb-audio-codecs-for-interop-00.txt
Pages : 13
Date : 2013-02-18
Abstract:
This document presents use-cases underlining why WebRTC needs AMR-WB,
AMR and G.722 as additional relevant voice codecs to satisfactorily
ensure interoperability with existing systems. It also presents a
way forward that takes into consideration the concerns expressed
against the addition of codecs besides Opus and G.711.
It is especially recognized that unjustified additional costs on
browsers must be avoided. Therefore, the proposed solution intends
to fully rely on the codecs already supported on the devices
implementing the browsers and for which license and implementation
costs have been already paid.
It is expected that this way forward will significantly limit the
costs and technical impacts on browsers while greatly improving
interoperability with legacy systems and overall quality. It intents
to be considered as a good compromise beneficial to all parties and
to the whole industry: the user quality experience will be optimized
as a whole at limited additional costs without incurring high costs
for both networks to support transcoding and browsers to support
additional codecs.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-marjou-rtcweb-audio-codecs-for-interop
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-marjou-rtcweb-audio-codecs-for-interop-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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