The third optional sub-chunk is identified by the idx1 tag which indexes the offsets of the data chunks within the file. This chunk contains the actual audio/visual data that make up the AVI movie. The second sub-chunk is identified by the movi tag. This sub-chunk is the file header and contains metadata about the video, such as its width, height and frame rate. 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. And here is a summary of the comparison between MP4 and AVI: 1.
To convert AVI to MP4 on Mac, please visit: Convert AVI Video to MP4 on Mac OS X. An AVI file can contain both video and audio data and it's widely in Windows-based platform. Each chunk is identified by a FourCC tag. AVI: AVI, short for Audio Video Interleave, is a container format developed by Microsoft. 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.
Here’s how to convert MP4 to AVI with Movavi Free Video Converter. But if you’re looking for a simple and fast conversion tool, Movavi Free Video Converter is just what you need To convert your videos for free, download the installation file for Windows or Mac and follow the instructions below. Since stores like iTunes uses this container format, and it is used with iPod and PlayStation Portable (PSP), MP4 files have become more common. Being freeware, the app lacks editing features. Convert AVI to MP4 is a useful tool for converting AVI files to MP4 video format easily and quickly to watch it on iPod, iPhone, Mobile phone, PSP, PS3, Zune, Apple TV and other devices. MP4 is a container format that can store video, audio and subtitle data (as well as more depending on content). Download Freeware (4.3 MB) Windows XP Windows Vista Windows 7 Windows 8 - English. MP4 files (MPEG-4 Part 14) are multimedia files.