18.ISO CompatibilityOnly with TVisto can you create your own Virtual DVD Library by storing your privatecollection of DVDs (.ISO format) and watch them as if they were running from the originalDVDs.Once the movies are stored in TVisto as .ISO files, you can play them just like an originalDVD with full DVD functions: Menu, Chapter selection, Audio stream selection, Subtitleselection, Fast Forward, Fast Backward, Slow, Pause, Step Forward, Repeat and Search areall included.An ISO file is the image file on a DVD disk. ISO image files are widely used to store, thentransfer DVD contents through the Internet. ISO is a common DVD image format for DOS,Windows, Mac OSX, Linux and other operating systems. TVisto can play the .ISO file exactlythe same as if it was running from the original DVD.The produced files are huge insize, but this is not a limitationfor TVisto. As alreadymentioned, TVisto supports anyof the FAT32, NTFS or HFS+file systems. Note: The largestsingle file size on FAT32 is4GB! If your ISO is biggerthen that, you will have toformat your hard drive usinga different format.The adjacent figure depictsvarious .ISO movies that have been produced in less than 12 min each.TVisto is not designed or intended to, and may not be used to violate any copyrightsor other IP (Intellectual Property) rights. Each user of TVisto may only use it inconnection with materials legally owned by or licensed to the user, and only extendsuch ownership or license rights that will permit such use.XviD CompatibilityXviD is an ISO MPEG-4 compliant video codec. It is not a product; it is an open sourceproject which is developed and maintained by groups of people all over the world.TVisto is fully compatible with XviD format and can play any movie encoded with thiscompression format except files encoded using GMC or Qpel.