The first sub-chunk is identified by the hdrl tag.

An AVI file takes the form of a single chunk in a RIFF formatted file, which is then subdivided into two mandatory chunks and one optional chunk. Each chunk is identified by a FourCC tag. Its advatage is a simple architecture, due to which AVI runs on a number of different systems like Windows, Mac, Linux, Unix and is supported by all of the most popular web-browsers.'ĪVI is a derivative of the Resource Interchange File Format (RIFF), which divides a file's data into blocks, or chunks. AVI combines audio and video into a single file in a standard container to allow simultaneous playback. Developed by Microsoft in 1992, it has become so widespread that many people consider it the de-facto standard for storing video and audio information on PC. Windows Media Player, Windows Movie Maker, Avidemux, AviSynth, Adobe After Effects, Media Player Classic, VLC.AVI stands for Audio Video Interleave. In addition, each track contains a digitally-encoded media stream (using a specific format) or a data reference to the media stream located in another file. 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., for subtitles). An AVI file takes the form of a single chunk in a RIFF formatted file, which is then subdivided into two mandatory 'chunks' and one optional 'chunk'. Because both the QuickTime and MP4 container formats can use the same MPEG-4 formats, they are mostly interchangeable in a QuickTime-only environment.ĪVI is a derivative of the Resource Interchange File Format (RIFF), which divides a file's data into blocks, or 'chunks.' A FourCC tag identifies each 'chunk'. 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.

AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Video/vnd.avi, video/avi, video/msvideo, video/x-msvideoĪudio Video Interleaved (also Audio Video Interleave), known by its initials AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows software.

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