Many of the advanced features are present in this model, including the twin laser pickup that allows it to play CD-Rs and dts recordings. This and a number of related software features means the DV-515 can cope with virtually all kinds of 12cm silver disc, automatically switching between the various sound standards it encounters - PCM (standard CD), MPEG-1 (Video-CD), Dolby Digital and dts - without any reconfiguring through the on-screen menus being needed between discs. ??Pioneer D/A conversion upgrades 8-bit Y/C signal data to 10-bit data to maintain data integrity and reproduce images that are truer to the DVD source. Viterbi RF Decoding Process applies sophisticated parametric statistical analysis to improve correction of data errors caused by fingerprints and dust on discs, as well as warped discs. The popular Dolby Stereo Digital system used in cinemas worldwide is now available for your in-home enjoyment as Dolby Digital. It offers many benefits beyond Dolby Pro Logic: because it's a true digital s...