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| Name | MKV | XVID |
| Full name | MKV - Matroska | XviD |
| File extension | .mkv, .mk3d, .mka, .mks | .xvid |
| MIME type | video/x-matroska, audio/x-matroska | |
| Developed by | www.matroska.org | www.xvid.com |
| Type of format | Container format | Video codec |
| Description | The Matroska Multimedia Container is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows. | Xvid (formerly 'XviD') is a video codec library following the MPEG-4 video coding standard, specifically MPEG-4 Part 2 Advanced Simple Profile (ASP). It uses ASP features such as b-frames, global and quarter pixel motion compensation, lumi masking, trellis quantization, and H.263, MPEG and custom quantization matrices. |
| Technical details | Matroska is similar in concept to other containers like AVI, MP4, or Advanced Systems Format (ASF), but is entirely open in specification, with implementations consisting mostly of open source software. | |
| Associated programs | VLC Media Player | VirtualDub, DVDx, xvid encraw, AutoGK, MeGUI etc. |
| Wiki | https://en.wikipedia.org/wiki/Matroska | https://en.wikipedia.org/wiki/Xvid |