RIPIT Well, that's not exactly true. For some, older movies you'll be able to get away with that, but for many modern discs -- "Stranger than Fiction," for example, but there are many, many others -- that approach won't work at all. You see, the manufacturers have for years been placing blocks of intentionally bad sectors within unused portions of the files, so that naive ripping techniques (like you describe) would hit them as they copy and error out, or best-case, take hours and hours to complete. More recently, with discs like "Leatherheads," there appear to be 40GB of files on the disc. Obviously, this is not actually the case, but the technique you describe would not be able to copy this movie without requiring 40GB on the target disc -- hardly acceptable. RipIt emulates a DVD player, down to the registers and instructions -- interpreting the movie's program to determine the sections of the files that are legally accessible to a real DVD player, copying blocks instead of playing them. By processing the disc in this way, we are guaranteed to copy everything that is playable and smoothly bypass all of the structural booby traps that are placed there by the DVD manufacturer. On over 13,500 unique discs, RipIt's success rate is better than 99.95%. If your technique works well for you, cool... but realize it's not for every disc, or everybody.
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