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| File extension | .MKV |
| Category | Video File |
| Description | MKV is not a multimedia compression format, but rather a container format, which incorporates various types of multimedia. Mostly, such files contain audio, video, textual information (subtitles), etc. – elements, which may use completely different encoding patterns. MKV’s biggest advantages are easy online sharing, low error rate, dissection of files into separate chapters, switchable subtitles, switchable audio- and video tracks, etc. Mostly, MKVs consist of open source elements, and they can be played in a vast number of players on nearly all existing platforms. |
| Associated programs | VLC Media Player |
| Developed by | Steve Lhomme |
| MIME type | video/x-matroska audio/x-matroska |
| Useful links | More detailed information on MKV files |
| File extension | .MP3 |
| Category | Audio File |
| Description | MP3 is the most popular audio file type based on MPEG-1 Layer III compression. Its lossy algorithm was developed in 1991. MP3 codes the sound almost with the same quality, as CD (16-bit stereo), providing compression in size 1 to 10 from the original WAF or AIFF tracks. The quality of MP3 seriously depends on the bitrate. It can be 128 - 256 kbps. Higher bitrates are also supported, but they seriously increase the file size. It is supported by all modern hard- and software players. |
| Associated programs | RealOne WinAmp Windows Media Player iTunes |
| Developed by | Fraunhofer Institute |
| MIME type | audio/mpeg audio/MPA audio/mpa-robust |
| Useful links | More detailed information on MP3 files |
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