The structure of the AVI file format builds on the RIFF format used for documents. The AVI format identifies details such as the type of stream, data chunk, and index entry using FOURCCs. A FOURCC may include spaces as characters, so a code with three letters and a space is valid. There is also a simple AVI sequence variation that only uses video data, without not an audio stream.Ī four-character code (FOURCC) is an unsigned 32-bit integer made using four American Standard Code for Information Interchange (ASCII) characters. AVI sequences usually include a video stream and an audio stream. AVI files generally contain multiple data streams with various types of data. ![]() The AVI format is a Resource Interchange File Format (RIFF) specification for applications that record, play, and edit video and audio sequences. How Do You Convert AVI to MP4 Or WebM Format With Cloudinary?.We’ll cover the basic structure of the AVI format, discuss it’s pros and cons, and show how it compares to modern file formats like MP4. Microsoft supports these files, which are sometimes (unofficially) known as AVI 20. An AVI file can store video and audio data in a container allowing synchronous video-with-audio playback.ĪVI files often use the format extensions that Matrox OpenDML introduced in 1996. ![]() The Audio Video Interleave format, or AVI, is a multimedia container video format that Microsoft first released in 1992.
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