Search results
Results from the WOW.Com Content Network
The Capacitance Electronic Disc (CED) is an analog video disc playback system developed by Radio Corporation of America (RCA), in which video and audio could be played back on a TV set using a special stylus and high-density groove system similar to phonograph records.
A progressive scan DVD player is a DVD player that can produce video in a progressive scan format such as 480p or 576p . Players which can output resolutions higher than 480p or 576p are often called upconverting DVD players. Before HDTVs became common, players were sold which could produce 480p or 576p. TVs with this feature were often in the ...
Compatible Discrete 4, also known as Quadradisc or CD-4 (not to be confused with compact disc) was a discrete four-channel quadraphonic system for phonograph records. The system was created by JVC and RCA in 1971 [ 1 ] and introduced in May 1972.
RCA's TSOS operating system was the first mainframe, demand paging, virtual memory operating system on the market. By 1971, despite a significant investment, RCA had only a 4% market share, and it was estimated that it would cost around $500 million over the next five years to remain competitive with the IBM/370 series.
CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD-checks, Dummy Files, illegal tables of contents, over-sizing or over-burning the CD, physical errors and bad sectors. Many protection schemes rely on breaking compliance with CD and DVD standards, leading to playback ...
A Flexplay disc is shipped in a vacuum-sealed package. There is a clear dye inside the disc, contained within the bonding resin of the disc, which reacts with oxygen. [4] When the seal is broken on the vacuum-packed disc, the layer changes from clear to black in about 48 hours, rendering the disc unplayable. [5]
DIVX was a rental format variation on the DVD player in which a customer would buy a DIVX disc (similar to a DVD) for approximately US$4.50, which was watchable for up to 48 hours from its initial viewing. After this period, the disc could be viewed by paying a continuation fee to play it for two more days.
DVD±R/W (also written as, DVD±R/RW, DVD±R/±RW, DVD+/-RW, DVD±R(W) and other arbitrary ways) handles all common writable disc types, but not DVD-RAM. [1] A drive that supports writing to all these disc types including DVD-RAM (but not necessarily including cartridges or 8cm diameter discs) is referred to as a "Multi" recorder.