In the late 1990s through early 2000s, most professional-level DV software, including non-linear editing programs, only supported Type 1.
Audio Video Interleave (also Audio Video Interleaved), known by its initials AVI and the .avi filename extension, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows software.
McGowan's AVI Overview Microsoft's AVI RIFF File Reference PVDTools' RIFF-AVI File Format Documentation Dave Wilson's comprehensive list of FourCC codes OpenDML (AVI 2.0) format specification AVI file format documentation (pdf) Type 1 and 2 DV AVI files AVI file Structure Computer-related introductions in 1992 Digital container formats Microsoft Windows multimedia technology
Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used. Many AVI files use the file format extensions developed by the Matrox OpenDML group in February 1996.
In the late 1990s through early 2000s, most professional-level DV software, including non-linear editing programs, only supported Type 1.
In 2010 the US government's National Archives and Records Administration defined AVI as the official wrapper for preserving digital video. ==Format== AVI is a subformat of the Resource Interchange File Format (RIFF), which divides a file's data into blocks, or "chunks." Each "chunk" is identified by a FourCC tag.
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