Electronic Video Recording, or EVR, was a film-based video recording format developed by Hungarian-born engineer

Peter Carl Goldmark Peter Carl Goldmark (born Péter Károly Goldmark; December 2, 1906 – December 7, 1977) was a Hungarian-American engineer who, during his time with Columbia Records, was instrumental in developing the long-playing microgroove 33 rpm phonogra ...

CBS Laboratories CBS Laboratories or CBS Labs (later known as the CBS Technology Center or CTC) was the technology research and development organization of the CBS television network. Innovations developed at the labs included many groundbreaking broadcast, indust ...

in the 1960s. CBS announced the development of EVR on August 27, 1967. The 750-foot film was stored on a spool in a plastic cartridge. It used a twin-track 8.75 mm film onto which video signals were transferred by electron beam recording, two monochrome tracks in the same direction of travel. Some EVR films had a separate chroma track in place of the second program monochrome track for color EVR films. The images stored on an EVR film were visible frames much like motion picture film, and were read by a

flying-spot scanner A flying-spot scanner (FSS) uses a scanning source of a spot of light, such as a high-resolution, high-light-output, low-persistence cathode ray tube (CRT), to scan an image. Usually the image to be scanned is on photographic film, such as moti ...

inside an EVR player to be converted to a video signal to be sent to a television set. EVR was also released by CBS as a professional version for television broadcasting, called BEVR (Broadcast EVR). As a professional medium, the format offered extremely high quality. It was, however, quickly superseded by professional and consumer magnetic tape formats.

Applications

In 1975, Nintendo's '' EVR Race'' was a racing-themed arcade game that used EVR technology to play back video footage of pre-recorded races from a

video tape Videotape is magnetic tape used for storing video and usually sound in addition. Information stored can be in the form of either an analog or digital signal. Videotape is used in both video tape recorders (VTRs) and, more commonly, videocassett ...

. ''EVR Race'' was Japan's highest-grossing

medal game are a type of arcade game commonly found in amusement arcades and casinos, especially in Japan. In order to play a medal game, a customer must first exchange their cash into medals (metal coins, much like an arcade token). The rate of medal ...

for three years in a row, from 1976 to

1978 Events January * January 1 – Air India Flight 855, a Boeing 747 passenger jet, crashes off the coast of Bombay, killing 213. * January 5 – Bülent Ecevit, of CHP, forms the new government of Turkey (42nd government). * January 6 – ...

References

External links

The quest for home video: EVR
* ttps://www.youtube.com/watch?v=pB8zQWs89wU Demonstration film of EVR (circa 1969) on youtube.com {{Commons, Videotape Audiovisual introductions in 1967 Discontinued media formats Video storage