VOB files may be accompanied by IFO and BUP files. The VOB format is based on the MPEG program stream format but with additional limitations and specifications in the private streams.
vob filename extension and are typically stored in the VIDEO_TS directory at the root of a DVD.
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'.įiles in VOB format have a. In addition, files in VOB format may be encrypted.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'. VOB can contain digital video, digital audio, subtitles, DVD menus, and navigation contents multiplexed together into a stream form. VOB (Video Object) is the container format in DVD-Video media. 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.
