This SMPTE Standard specifies a method for wrapping isochronous streams of XML documents in a manner consistent with the Interoperable Master Format (IMF) Essence Component. Only a Frame Wrapping method is defined. Clip Wrapping and Custom Wrapping are not considered.

This document defines:

• an ISXD Track File to carry ISXD data as specified in an application;

• an ISXD Virtual Track for use in an IMF Composition Playlist.