The file that a DVD uses to store all the video, audio and data for the disc is known as an ISO, or disc image file. If you open that ISO, you find two folders, the Video_TS folder and the Audio_TS folder. The Audio_TS folder contains nothing, while the Video_TS folder contains all the disc files, including video object files, or VOBs, and disc information files, or IFOs. Tips Warnings Writer Bio
