Files in VOB format have a .vob filename extension and are typically stored in the VIDEO_TS directory at the root of a DVD.The VOB format is based on the MPEG program stream format, but with additional limitations and specifications in the private streams.The MPEG program stream has provisions for non-standard data (as used in VOB files) in the form of so-called private streams. VOB files are a very strict subset of the MPEG program stream standard.
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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. AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used. Most AVI files also use the file format extensions developed by the Matrox OpenDML group in February 1996.
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Step 1. Download and install the program, then double click it to run it, and then you'll see the main interface of the program.
Step 2. Click "Add File(s)" button. Here you can select "Add Video" or "Add Folder" button to add files as you like.
Step 3. Click the drop-down arrow right beside the "Profile" column and select your desired video format from the drop-down list.
Step 4. Click "Edit" button to customize the output video like Effect, Trim, Crop, 3D Settings and Watermark.