Re: [codec] WG Review: Internet Wideband Audio Codec (codec)

Steve Underwood <steveu@coppice.org> Fri, 25 December 2009 08:22 UTC

Return-Path: <steveu@coppice.org>
X-Original-To: codec@core3.amsl.com
Delivered-To: codec@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 7AB3C3A692C for <codec@core3.amsl.com>; Fri, 25 Dec 2009 00:22:20 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-2.599]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 2lKs-bDXyO17 for <codec@core3.amsl.com>; Fri, 25 Dec 2009 00:22:19 -0800 (PST)
Received: from cwb.pacific.net.hk (cwb.pacific.net.hk [202.14.67.92]) by core3.amsl.com (Postfix) with ESMTP id 6DBBC3A693B for <codec@ietf.org>; Fri, 25 Dec 2009 00:22:19 -0800 (PST)
Received: from i7.coppice.org (25.176.64.202.dyn.pacific.net.hk [202.64.176.25]) by cwb.pacific.net.hk with ESMTP id nBP8M0oP011179 for <codec@ietf.org>; Fri, 25 Dec 2009 16:22:00 +0800
Message-ID: <4B347628.104@coppice.org>
Date: Fri, 25 Dec 2009 16:22:00 +0800
From: Steve Underwood <steveu@coppice.org>
User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-3.fc11 Thunderbird/3.0
MIME-Version: 1.0
To: codec@ietf.org
References: <4b33100a.01135e0a.2ab9.ffff8e9b@mx.google.com> <3D3C75174CB95F42AD6BCC56E5555B450204C143@FIESEXC015.nsn-intra.net> <20091223171501.7BAE33A697D@core3.amsl.com> <14093.1261593597@epsilon.noi.kre.to> <14853.1261600779@epsilon.noi.kre.to> <2401.1261648036@epsilon.noi.kre.to> <4b3373d7.02135e0a.241a.fffffb62@mx.google.com> <a123a5d60912241926l6f2255e3kc15d1d21573adeb9@mail.gmail.com> <20091224235530.49092xi81l9bng1e@mail.skype.net>
In-Reply-To: <20091224235530.49092xi81l9bng1e@mail.skype.net>
Content-Type: text/plain; charset="ISO-8859-1"; format="flowed"
Content-Transfer-Encoding: 7bit
Subject: Re: [codec] WG Review: Internet Wideband Audio Codec (codec)
X-BeenThere: codec@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: "Should the IETF standardize wideband Internet codec\(s\)? " <codec.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/codec>, <mailto:codec-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/codec>
List-Post: <mailto:codec@ietf.org>
List-Help: <mailto:codec-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/codec>, <mailto:codec-request@ietf.org?subject=subscribe>
X-List-Received-Date: Fri, 25 Dec 2009 08:22:20 -0000

On 12/25/2009 03:55 PM, Koen Vos wrote:
> Quoting Phillip Hallam-Baker:
>> MP3 and AC3 are the existing industry standards.
>
> These codecs are rarely used for real-time communications, mostly 
> because of their high bitrates/poor quality for voice signals.
I would have thought their latency was the key factor for interactive 
communication, which is the main focus here.

Regards,
Steve