Download AVI Codec: Understanding the Format and Its Advantages

The Audio Video Interleave (AVI) file format has been around since 1992, and it has undergone several updates to address its shortcomings. One such update is the introduction of unofficially dubbed AVI 2.0 extensions, which are supported by Microsoft. These extensions help improve the performance of the original AVI format.

The AVI 2.0 extensions are identified by FOURCC tags and consist of three optional subchunks: idx1, movi, and hdrl. The idx1 subchunk indexes the offsets of the data chunks within the file, making it easier to access specific parts of the video.

The movi subchunk carries the actual picture and sound data, which can employ a wide range of codecs. These codecs are listed below in the Relationships section. The hdrl subchunk plays the role of file header, providing metadata about the video, such as its width, height, and frame rate.

AVI files consist of one RIFF 'chunk' tagged as AVI and divided into 'subchunks,' each identified by Microsoft's FOURCC four-character code. This format is designed to wrap a video bitstream with other data chunks and support synchronous picture-sound playback.

In conclusion, the Download AVI Codec offers an improved version of the original AVI format, with its extensions providing better performance and flexibility. If you're looking for a reliable way to play your audio and video files, the AVI format is definitely worth considering.

Download avi codec