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Matroska (styled Matroška) is a project to create a container format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. [4] The Matroska Multimedia Container is similar in concept to other containers like AVI , MP4 , or Advanced Systems Format (ASF), but is an open standard .
Digital 3D is only supported at the container format level in Matroska, [41] MXF [43] and WebM (some stereo modes). [39] M2TS supports Digital 3D as multiple files in a specific file structure for encoding stereoscopic video: MVC stereoscopic data is in .ssif files in the /BDMV/STREAM/SSIF/ directory and require a respective base .m2ts file.
WebM is an audiovisual media file format. [5] It is primarily intended to offer a royalty-free alternative to use in the HTML video and the HTML audio elements. It has a sister project, WebP , for images.
Another example is the initial specification for the file type WebM, which specifies the container format (Matroska), but also exactly which video and audio compression format is inside the Matroska container, even though Matroska is capable of containing VP9 video, and Opus audio support was later added to the WebM specification.
Matroska (MKV) (not limited to any coding format, as it can hold virtually anything; it is an open standard container format) MJ2 - Motion JPEG 2000 file format, based on the ISO base media file format which is defined in MPEG-4 Part 12 and JPEG 2000 Part 12; QuickTime File Format (standard QuickTime video container from Apple Inc.)
VP8 can be multiplexed into the Matroska-based container format WebM along with Vorbis and Opus audio. The image format WebP is based on VP8's intra-frame coding. VP8's direct successor, VP9 , and the royalty-free AV1 codec from the Alliance for Open Media are based on VP8.
A variety of technologies soon emerged to do so. The primary goal for most methods of compressing video is to produce video that most closely approximates the fidelity of the original source, while simultaneously delivering the smallest file-size possible. However, there are also several other factors that can be used as a basis for comparison.
Basic: The Basic edition is the smallest version and enables a Microsoft Windows computer to play the contents of AVI, Matroska (MKV), MP4, Ogg, Flash Video (FLV) and WebM files, etc. It only consists of LAV Filters (for video demultiplexing and audio and video decoding), DirectVobSub (for subtitle decoding), Codec Tweak Tool, Icaros ...