- D-1 (Sony)
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D1 
Sony DVR-2000 D1 VCRMedia type Magnetic Tape Encoding NTSC, PAL Read mechanism Helical scan Write mechanism Helical scan Standard Interlaced video Developed by Sony Usage Video production 
BTS D1 VTR DCR500D-1 is an SMPTE digital recording video standard, introduced in 1986 through efforts by SMPTE engineering committees. It started as a Sony and Bosch - BTS product and was the first major professional digital video format.
Contents
Format
D-1 stores uncompressed digitized component video, encoded at Y'CbCr 4:2:2 using the CCIR 601 raster format, along with PCM audio tracks as well as timecode on a 3/4 inch (19 mm) Videocassette tape. Uncompressed component video used enormous bandwidth for its time, and the D-2 system using composite analog video soon followed. The maximum record time on a D-1 tape is 94 minutes.
D-1 resolution is 720 × 480 for NTSC systems and 720 × 576 for PAL systems; these resolutions come from Rec. 601 and are also used in DVD-Video and Standard-definition television.
Panasonic's D-5 format has similar specifications, but was introduced much later.
Use
D-1 was notoriously expensive and the equipment required very large infrastructure changes in facilities which upgraded to this digital recording format.[citation needed] Early D-1 operations were plagued with difficulties, though the format quickly stabilized and is still renowned for its superb standard definition image quality.[citation needed]
Models
Sony
- DVR-1000
- DVR-2000
- DVR-2100
BTS
- DCR-100
- DCR-300
- DCR-500
References
Grotticelli, Michael, ed. (2001). American Cinematographer Video Manual. The ASC Press, Hollywood, CA. ISBN 0-935578-14-5
External links
Video storage formats Videotape Quadruplex (1956) · VERA (1958) · Sony 2 inch helical VTR (1961) · Ampex 2 inch helical VTR (1962) · Type A (1965) · CV-2000 (1965) · Akai (1967) · U-matic (1969) · EIAJ-1 (1969) · Cartrivision (1972) · Philips VCR (1972) · V-Cord (1974) · VX (1974) · Betamax (1975) · IVC (1975) · Type B (1976) · Type C (1976) · VHS (1976) · VK (1977) · SVR (1979) · Video 2000 (1980) · CVC (1980) · VHS-C (1982) · M (1982) · Betacam (1982) · Video8 (1985) · MII (1986) · S-VHS (1987) · S-VHS-C (1987) · Hi8 (1989) ·
D1 (1986) · D2 (1988) · D3 (1991) · DCT (1992) · Digital Betacam (1993) · D5 (1994) · Digital-S (D9) (1995) · Betacam SX (1996) · Digital8 (1999) · MicroMV (2001) ·
High DefinitionVideodisc AnalogDigitalHigh DefinitionMUSE Hi-Vision LD (1994) · HD DVD (2006) · Blu-ray Disc (2006) · HVD (Holographic Versatile Disc) (2007) · CBHD (2008)
Digital Media agnosticTapelessVideo recorded to film Kinescope (1947) · Electronicam kinescope (1950s) · Electronic Video Recording (1967)
Categories:- Video storage
- 1988 introductions
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