Matroska

Matroska (sometimes spelled Matroška) is an open standard multimedia container format. It is based on the EBML metaformat.

Specific formats:
 * MKV (Matroska video)
 * Matroska Audio (.mka)
 * Matroska subtitles (.mks)
 * MK3D (stereoscopic video)

Identification
A Matroska file begins with, as do all EBML files.

It contains an EMBL "DocType" element whose value is the string "matroska". This means that the byte sequence will appear in the file, normally near the beginning.

Software

 * VLC
 * FFmpeg
 * Konvertor

Specifications

 * Matroska Specifications

Sample files

 * https://samples.ffmpeg.org/Matroska/
 * Links to over 99,000 Matroska files in Internet Archive

Links

 * Matroska web site
 * Wikipedia: Matroska
 * MultimediaWiki: Matroska