What is it all about?
matroska is an open source, open standard Multimedia container. it's usually found as .MKV files (matroska video), .MKA files (matroska audio) and .MKS files (subtitles) and .MK3D files (stereoscopic/3D video). It is also the basis for .webm (WebM) files.
• Fast seeking in the file • Chapter entries • Full metadata (tags) support • Selectable subtitle/audio/video streams • Modularly expandable • Error resilience (can recover playback even when the stream is damaged) • Streamable over the internet and local networks (HTTP, CIFS, FTP, etc) • Menus (like DVDs have)