In DVD, resolution is the number of pixels in the height and width of the picture frame. DVD resolution is 720X480. A method by which DVD playback is restricted by geographic region.
Studios use the regional coding to better control the timing of a DVD release around the world.
Used on a laserdisc player to carry the Dolby Digital signal over a coaxial cable. Reverse Spiral Dual Layer. Process of creating a digital representation of an analog signal. Sony Dynamic Digital Sound. Sony's discrete multi-channel surround sound available only in theaters.