VOB

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.

- - Wikimedia

FLV

Flash Video is a container file format used to deliver digital video content (e.g., TV shows, movies, etc.) over the Internet using Adobe Flash Player version 6 and newer. Flash Video content may also be embedded within SWF files. There are two different video file formats known as Flash Video: FLV and F4V. Both formats are supported in Adobe Flash Player and developed by Adobe Systems In the early 2000s, Flash Video used to be the de facto standard for web-based streaming video (over RTMP)

- - Wikimedia

Step-By-Step to Convert VOB to FLV for Mac

Interface

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.

Load Files

Step 2. Click "Add File(s)" button. Here you can select "Add Video" or "Add Folder" button to add files as you like.

Profile

Step 3. Click the drop-down arrow right beside the "Profile" column and select your desired video format from the drop-down list.

Edit

Step 4. Click "Edit" button to customize the output video like Effect, Trim, Crop, 3D Settings and Watermark.

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