File type: Audio Files
MP4 are movie or other video pictures that use the MPEG-4 compression algorithm. MPEG-4 compression is a standard that was developed by the well known Moving Pictures Experts Group consortium (MPEG). This is commonly used for sharing files over the Internet.
Category: Data File.
File format: Proprietary
Open with Windows: Media Creator, Apple QuickTime Player, Roxio Easy
Open with Linux:
The MP4 video format usually uses a separate compression for video tracks and separate for audio. The video is generally compressed using the MPEG-4 encoding algorithms whereas the audio is generally compressed using the AAC compression algorithm.