[AVT] preview of ATRAC-X presentation
"Matthew Romaine" <Matthew.Romaine@jp.sony.com> Thu, 14 November 2002 07:14 UTC
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From: Matthew Romaine <Matthew.Romaine@jp.sony.com>
To: avt@ietf.org
Subject: [AVT] preview of ATRAC-X presentation
Date: Thu, 14 Nov 2002 16:15:34 +0900
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Hello List, Colin & Steve, Below is a brief outline of what we hope to share during our presentation slot. This is for a new draft on the ATRAC-X RTP format we submitted a few weeks ago. Looking forward to it. Best, Matt Background and Purpose: - Atrac-X is the newest member of the ATRAC family of perceptual codecs - ATRAC technology is widely used in MDs and solid-state recorders/players - ATRAC-X is a competitive alternative to other codecs - Standardization for streaming has potential value in future applications Features of the payload we would like to propose: - Multiple bit-stream packetizing - Support for metadata - Packet loss resolution via "redundant data" - Support for fragmentation [insert brief explanation of ATRAC-X payload, as defined in the draft available online] Open Issues we would like to discuss: - Is our metadata ID allocation method reasonable? - How should we handle static IDs? (static ID allocation often leads to formation of a standards group to regulate...) - How should timestamp information within the RTP header be determined? - Currently we're using the server's transmit time, as presentation time can be determined using the ATRAC-X RTP header information. However, since we support multiple streams, is there a better method? _______________________________________________ Audio/Video Transport Working Group avt@ietf.org https://www1.ietf.org/mailman/listinfo/avt
- [AVT] preview of ATRAC-X presentation Matthew Romaine