MXF is a media container developed by SMPTE association for professional use. MXF implements subset of Advanced Authoring Format (AAF) data model and nowadays become a standard in professional non-linear video editing. MXF files can be compressed with almost any codec and easily converted to any popular video format. Worth noting that Sony's, Panasonic's and Canon's implementation of this format carries a lot of incompatibilities, that was a big flaw of this container. These issues were addressed in the 2009 version of the standard.

A headerless file of IMA ADPCM audio data. IMA ADPCM claims 16-bit precision packed into only 4 bits, but in fact sounds no better than .vox.