DVHS Video Tape Format and History

History
DVHS is a digital recording and playback format for high definition material. It's based on the existing 1/2" VHS-sized cassettes we're all used to. A few models of D-VHS player have been out for many months now. D-VHS decks allow recording (via MPEG-2 encoding) high definition TV as well as current NTSC analog signals.

Tech Stuff
DVHS video tapes carry 525 lines of horizontal resolution. Digital VHS was originally designed Hi Definition theater systems. DVHS makes a good master if you own a DVHS deck, they can hold 2.5 hours of video at HD TV quality.