This document requests registration of four new media subtypes: vnd.iptvforum.ttsmpeg2 and vnd.iptvforum.ttsavc, as follows. MIME media type name : Video MIME subtype name : Vendor Tree - vnd.iptvforum.ttsmpeg2 and MIME media type name : Video MIME subtype name : Vendor Tree - vnd.iptvforum.ttsavc Required parameters : None Optional parameters : None Encoding considerations : binary This media type may require encoding on transports not capable of handling binary. Security considerations : Security issues have not been assessed, although they should not differ substantially from similar considerations defined for data elements that use the video/mpeg MIME type when the video data uses MPEG-2 Transport Streams for encapsulation. Interoperability considerations : None Published specification : Currently not publicly available. To be published by IPTV Forum. Applications which use this media : Applications that run on IPTV devices that conform to the interoperability guidelines defined by IPTVForum. Additional information : 1. Magic number(s) : None 2. File extension(s) : Undefined 3. Macintosh file type code : Undefined 4. Object Identifiers: None Person to contact for further information : 1. Name : Shuji Nakamura 2. Email : shuji@mri.co.jp Intended usage : Common This media type identifies audiovisual streams multiplexed using an MPEG-2 Transport Stream packet format that include time stamps. Author/Change controller : Shuji Nakamura on behalf of the IPTV Forum. (file created 24 May 2007)