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From Wikipedia, the free encyclopedia

Sony HDVS is a range of high-definition video equipment developed in the 1980s to support an early analog high-definition television system (used in multiple sub-Nyquist sampling encoding broadcasts)[1] thought to be the broadcast television systems that would be in use today. The line included professional video cameras, video monitors and linear video editing systems.

History

Sony first demonstrated a wideband analog video HDTV capable video camera, monitor and video tape recorder (VTR) in April 1981 at an international meeting of television engineers in Algiers. The HDVS range was launched in April 1984, with the HDC-100 camera, HDV-1000 video recorder, with its companion HDT-1000 processor/TBC, and HDS-1000 video switcher all working in the 1125-line component video format with interlaced video and a 5:3 aspect ratio.

The helical scan VTR (the HDV-100) used magnetic tape similar to 1" type C videotape for analog recording. Sony in 1988 unveiled a new HDVS digital line, including a reel-to-reel digital recording VTR (the HDD-1000) that used digital signals between the machines for dubbing but the primary I/O remained analog signals. The large unit was housed in a 1-inch reel-to-reel transport, and because of the high tape speed needed, had a limit of 1-hour per reel. Sony, owner of Columbia Pictures/Tri-Star, would start to archive feature films on this format, requiring an average of two reels per movie. There was also a portable videocassette recorder (the HDV-10) for the HDVS system, using the "UniHi" format of videocassette using 3/4" wide tape. The transport housing similar in appearance to Sony's D1/D2 Standard Definition Digital VTRs, but recorded analog HD. The small cassette size limited recording time.

The price of the HDD-1000 and its required companion HDDP-1000 video processor in 1988 was US$600,000. The metal evaporated tape (tape whose magnetic material was evaporated and deposited onto the tape in a vacuum chamber) costed US$2500.00 per hour of tape and each reel weighed nearly 10 pounds. [2] The high price of the system limited its adoption severely, selling just several dozen systems and making its adoption largely limited to medical, aerospace engineering, and animation applications. [3]

Uses

The Sony HDVS system is used in the production of a 5-min feature film about Halley's Comet in 1986, titled "Arrival", and shown in US theatres later that year,[4] using 35mm film instead of tape.[5]

The first drama film shot using the HDVS professional video camera is RAI's Julia and Julia (Italian: Giulia e Giulia) in 1987, and the first HDTV television show was CBC's Chasing Rainbows, shot using the HDVS system in 1988. For the Genesis Invisible Touch Tour shows at Wembley Stadium in July 1987, the Sony HDVS system was used to film these shows and later released in VHS and LaserDisc in 1988 and DVD in 2003.

World War II: When Lions Roared (also known as Then There Were Giants) is a 1994 TV movie, directed by Joseph Sargent, that stars John Lithgow, Michael Caine and Bob Hoskins as the three major Allied leaders. It was the first video production to be produced in the 1125-line high-definition television (HDTV) format.[6] It was converted to NTSC for broadcast in the United States.

Finally, in 1995 the first completely all-digital motion picture production in history was the film "Rainbow" Directed by Bob Hoskins, starring Dan Aykroyd with Visual Effects Supervised by Steven Robiner using Sony's new Digital Cameras, Digital Tape System, Digital Post-Production and Sony's SDDS digital sound system, with a full final version available on High Definition tape, screened to select audiences. For the public releases, unfortunately worldwide theaters at the time did not have any sort of digital projectors, so the HD video was transferred to 35mm film. However, the fully digital version survives in the depths of storage facility's.

The HDVS brand and logo is still used by Sony nowadays (as "Digital HDVS", since the original HDVS line of equipment from 1984 used wideband analog video to achieve the 1125-lines of resolution) on their current digital high-definition HDCAM-format cameras such as the Sony HDW-750 and HDW-F900.

Equipment

References

  1. ^ Cianci, Philip J. (January 10, 2014). "High Definition Television: The Creation, Development and Implementation of HDTV Technology". McFarland – via Google Books.
  2. ^ "VIDEOTAPE FORMATS". www.tech-notes.tv. Archived from the original on 2019-09-17. Retrieved 2020-04-11.
  3. ^ Inc, Nielsen Business Media (August 23, 1986). "Billboard". Nielsen Business Media, Inc. Archived from the original on December 20, 2020. Retrieved October 3, 2020 – via Google Books.
  4. ^ Sutherland, Sam (5 October 1985). "Debut Set for High-Definition System". Billboard. Archived from the original on 20 December 2020. Retrieved 30 July 2017.
  5. ^ Lovece, Frank (11 January 1986). "Fast Forward". Billboard. p. 44. Archived from the original on 20 December 2020. Retrieved 30 July 2017.
  6. ^ "World War II: When Lions Roared". imdb. 18 July 2011. Archived from the original on 11 February 2005. Retrieved 18 July 2011.
  7. ^ Cianci, Philip J. (January 10, 2014). High Definition Television: The Creation, Development and Implementation of HDTV Technology. McFarland. ISBN 9780786487974 – via Google Books.
  8. ^ "ONR Far East Scientific Bulletin". Office of Naval Research, Liaison Office, Far East. April 11, 1987. Archived from the original on December 20, 2020. Retrieved October 3, 2020 – via Google Books.
  9. ^ "Scientific Bulletin". The Office. April 11, 1987. Archived from the original on December 20, 2020. Retrieved October 3, 2020 – via Google Books.
  10. ^ "Archived copy". Archived from the original on 2020-09-23. Retrieved 2020-09-23.CS1 maint: archived copy as title (link)
  11. ^ https://web.archive.org/web/20200923071020/https://www.picclickimg.com/00/s/MTIwMFgxNjAw/z/ALoAAOSwf9teNHoU/$/Extrem-rar-Sony-HDD-1000-HDVS-System-mit-_57.jpg
  12. ^ "Archived copy". Archived from the original on 2012-01-02. Retrieved 2020-12-20.CS1 maint: archived copy as title (link)
  13. ^ "Archived copy". Archived from the original on 2012-01-02. Retrieved 2020-12-20.CS1 maint: archived copy as title (link)
  14. ^ a b "Archived copy". Archived from the original on 2020-12-20. Retrieved 2020-12-20.CS1 maint: archived copy as title (link)
  15. ^ "Archived copy". Archived from the original on 2020-12-20. Retrieved 2020-12-20.CS1 maint: archived copy as title (link)

External links

This page was last edited on 25 June 2021, at 09:58
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