Re: [AVT] Another incoming liaison, from MPEG
Colin Perkins <csp@csperkins.org> Sun, 13 January 2008 16:33 UTC
Return-path: <avt-bounces@ietf.org>
Received: from [127.0.0.1] (helo=stiedprmman1.va.neustar.com) by megatron.ietf.org with esmtp (Exim 4.43) id 1JE5ls-0001ox-D3; Sun, 13 Jan 2008 11:33:16 -0500
Received: from [10.90.34.44] (helo=chiedprmail1.ietf.org) by megatron.ietf.org with esmtp (Exim 4.43) id 1JE5lr-0001os-0J for avt@ietf.org; Sun, 13 Jan 2008 11:33:15 -0500
Received: from mr1.dcs.gla.ac.uk ([130.209.249.184]) by chiedprmail1.ietf.org with esmtp (Exim 4.43) id 1JE5lq-0002GS-Dm for avt@ietf.org; Sun, 13 Jan 2008 11:33:14 -0500
Received: from csperkins-dsl.demon.co.uk ([62.49.4.249]:61226 helo=[192.168.0.4]) by mr1.dcs.gla.ac.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.42) id 1JE5lo-0005Xf-WB; Sun, 13 Jan 2008 16:33:13 +0000
In-Reply-To: <54A5975C-1105-4414-B85B-4B3B3D6086B3@csperkins.org>
References: <1BE54464-A6F4-440E-9BB3-80D3EA2ABADE@stewe.org> <54A5975C-1105-4414-B85B-4B3B3D6086B3@csperkins.org>
Mime-Version: 1.0 (Apple Message framework v753)
Content-Type: text/plain; charset="WINDOWS-1252"; delsp="yes"; format="flowed"
Message-Id: <B0888A37-7F51-46E3-8AD5-BDF612A9A464@csperkins.org>
Content-Transfer-Encoding: quoted-printable
From: Colin Perkins <csp@csperkins.org>
Subject: Re: [AVT] Another incoming liaison, from MPEG
Date: Sun, 13 Jan 2008 16:33:17 +0000
To: IETF AVT WG <avt@ietf.org>
X-Mailer: Apple Mail (2.753)
X-Spam-Score: 0.0 (/)
X-Scan-Signature: 52f7a77164458f8c7b36b66787c853da
Cc: Stephan Wenger <stewe@stewe.org>
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Audio/Video Transport Working Group <avt.ietf.org>
List-Unsubscribe: <https://www1.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www1.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
Errors-To: avt-bounces@ietf.org
On 2 Jan 2008, at 21:54, Colin Perkins wrote: > On 24 Nov 2007, at 16:11, Stephan Wenger wrote: >> More liaison activity. This one is addressed to all liaison >> contacts of ISO/IEC JTC1/SC29/WG1. They are responsible for the >> JPEG/JBIG still image codecs, and therefore, i think, AVT and >> MMUSIC are perhaps most interested. No action from our side is >> requested. >> >> They inform us about their progress on JPEG XR, which they >> characterize as follows: >> >> JPEG XR as specified in Part 2 is a coding format designed for use >> with all types of continuous-tone photographic content, and is >> based on proposals submitted to JPEG by Microsoft, incorporating >> their “HD Photo” coding technology, as currently shipped within >> their Windows Vista operating system. The capabilities that it is >> designed to enable include the following: >> – High performance, embedded-system friendly compression, >> particularly characterized by >> >> – Small memory footprint >> >> – Integer-only operations with no divides >> >> – High compression quality >> >> – Lossless or lossy compression using the same algorithm >> >> The full text is available here: https://datatracker.ietf.org/ >> documents/LIAISON/file500.doc > > The chairs propose to send a response to JPEG stating: > > ``We are pleased to receive notification of ongoing developments in > JPEG pertaining to ISO/IEC 29199 "JPEG digital imaging systems > integration" and the new JPEG XR image coding standard. If JPEG > should consider the development of a Motion JPEG XR variant, as was > done with in Part 3 of the JPEG 2000 standard, we encourage the > interested parties to work within the IETF Audio/Video Transport > Working Group to develop an RTP Payload Format specification, to > allow integration of JPEG XR with the Real-time Transport Protocol, > and associated IETF standards for video conferencing, streaming, > and IPTV. > > In addition, we encourage JPEG to register JPEG XR with the IANA as > an Internet media subtype, to facilitate its use with the world- > wide web, email, etc.'' > > Please send any comments on this response to the chairs within the > next week. There were no comments, so the chairs will send this response. -- Colin Perkins http://csperkins.org/ _______________________________________________ Audio/Video Transport Working Group avt@ietf.org https://www1.ietf.org/mailman/listinfo/avt
- [AVT] Another incoming liaison, from MPEG Stephan Wenger
- Re: [AVT] Another incoming liaison, from MPEG Colin Perkins
- Re: [AVT] Another incoming liaison, from MPEG Colin Perkins