AAF is a format created for storing results of nonlinear post-production video processing. AAF is a non-linear editing analog of EDL format. It is cross-platform interoperable and designed to replace OMFI, so a wide variety of manufacturers support AAF in their authoring software. AAF encapsulates metadata, program content and its history, source elements, remote online content, rich set of built-in standard media effects, HTML/XML content and localizations.

MKV is an open source container that can contain media data compressed with a use of different codecs. It has a lot of advantages over the legacy AVI container: it can contain audio tracks and subtitles in different languages, that can be switched without stopping the playback, file seek and rewind are very fast. Also the format is easy to edit, that is why audio and video data can be extracted effortlessly.