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Material eXchange Format (Mxf)

"The Material eXchange Format (MXF) is an open file format targeted at the interchange of audio-visual material with associated data and metadata. It has been designed and implemented with the aim of improving file-based interoperability between servers, workstations and other content creation devices.". - Pro-MEG

Mxf is a media "wrapper", a specification for providing interoperability of media playback. It is closely associated with Advanced Authoring Format (AAF) - they share a similar object design. They can be used together, Aaf holding complex composition data and Mxf containing media, or independently.

Mxf design was initiated by the Pro-MPEG Forum, and has now been standardized by SMPTE.

Recent SMPTE Mxf standards include:

SMPTE 377M-2004: Television - Material Exchange Format (MXF) File Format Specification

SMPTE 378M-2004: Material Exchange Format (MXF) — Operational pattern 1A (Single Item, Single Package

SMPTE 379M-2004: for Television - Material Exchange Format (MXF) - MXF Generic Container

Advanced Authoring Format and Media Exchange Format - Brooks Harris, Editor's Guild Magazine

Bruce Devlin has written a good overview of MXF
MXF - the Material eXchange Format - Bruce Devlin