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| Name | MPEG | MP4 |
| Full name | MPEG - Motion Picture Experts Group file interchange format (version 1) | MP4 - MPEG-4 Part 14 |
| File extension | .mpg, .mpeg, .mp1, .mp2, .m1v, .mpv | .mp4, .m4a, .m4p, .m4b, .m4r, .m4v |
| MIME type | video/mpeg | video/mp4 |
| Developed by | ISO, IEC | International Organization for Standardization |
| Type of format | video, container | Media container |
| Description | MPEG-1 is a standard for lossy compression of video and audio. It is designed to compress VHS-quality raw digital video and CD audio down to 1.5 Mbit/s (26:1 and 6:1 compression ratios respectively) without excessive quality loss, making video CDs, digital cable/satellite TV and digital audio broadcasting (DAB) possible. | MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.MPEG-4 Part 14 or MP4 is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. |
| Technical details | MPEG-1 Video exploits perceptual compression methods to significantly reduce the data rate required by a video stream. It reduces or completely discards information in certain frequencies and areas of the picture that the human eye has limited ability to fully perceive. It also exploits temporal and spatial redundancy common in video to achieve better data compression than would be possible otherwise. | Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. A separate hint track is used to include streaming information in the file. The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (mp4ra.org). |
| Associated programs | Windows Media Player, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player | Windows Media Player, RealPlayer, MPlayer, Media Player Classic, VLC Media Player, K-Multimedia Player |
| Wiki | https://en.wikipedia.org/wiki/MPEG-1 | https://en.wikipedia.org/wiki/MPEG-4_Part_14 |