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D1 (Sony) Information

D-1 is an SMPTE digital VTR 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) cassette tape. Uncompressed component video used enormous bandwidth for its time, and the D-2 system using composite 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 format.[citation needed] Early D-1 operations were plagued with difficulties, though the format quickly stabilized and is still renowned for its superb image quality (standard definition).[citation needed]

D-1 is still in some usage as of 2003, and many of the technologies introduced with this format are still common to more recent digital videotape formats.

Models

Sony

BTS

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
Analog

Quadruplex (1956) · VERA (1958) · 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) · W-VHS (1994)
Digital

D1 (1986) · D2 (1988) · D3 (1991) · DCT (1992) · Digital Betacam (1993) · D5 (1994) · DV (1995) · Digital-S (D9) (1995) · DVCPRO (1995) · Betacam SX (1996) · DVCAM (1996) · HDCAM (1997) · DVCPRO50 (1997) · D-VHS (1998) · Digital8 (1999) · DVCPRO HD (2000) · D6 HDTV VTR (2000) · MicroMV (2001) · HDV (2003) · HDCAM SR (2003)
Videodisc
Analog

Phonovision (1927) · Ampex-HS (1967) · TeD (1975) · Laserdisc (1978) · CED (1981) · VHD (1983) · Laserfilm (1984) · CD Video (1987)
Digital

VCD (1993) · MovieCD (c. 1995) · DVD/DVD-Video (1995) · MiniDVD (c. 1995) · CVD (1998) · SVCD (1998) · EVD (2003) · XDCAM (2003) · HVD (High-Definition Versatile Disc) (2004) · FVD (2005) · UMD (2005) · VMD (2006)
High Definition

HD DVD (2006) · Blu-ray Disc (2006) · HVD (Holographic Versatile Disc) (2007) · CBHD (2008)
Solid state

P2 (2004) · SxS(2007)
Digital Tapeless

MOD (2005) · AVCHD (2006) · AVC-Intra (2006) · TOD (2007) · iFrame (2009)
Non-video TV recording

Kinescope (1947) · Electronicam kinescope (1950s) · Electronic Video Recording (1967)

Categories: Video storage | 1988 introductions

 

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