Each track either contains a digitally-encoded media stream (using a specific format) or a data reference to the media stream located in another file.As an Apple user, you might already be familiar with iMovie, a video editing application designed by Apple for macOS, iOS, or iPadOS. The format specifies a multimedia container file that contains one or more tracks, each of which stores a particular type of data: audio, video, or text (e.g.

The registered codecs for MPEG-4 Part 12-based files are published on the website of MP4 Registration authority (). A separate hint track is used to include streaming information in the file.

Most kinds of data can be embedded in MPEG-4 Part 14 files through private streams. Because both the QuickTime and MP4 container formats can use the same MPEG-4 formats, they are mostly interchangeable in a QuickTime-only environment.

The International Organization for Standardization approved the QuickTime file format as the basis of the MPEG-4 file format. QuickTime File Format (QTFF) is a computer file format used natively by the QuickTime framework. Like most modern container formats, it allows streaming over the Internet. 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. 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. International Organization for Standardization

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