November 2007
Intermediate to advanced
736 pages
46h 32m
English
Content preview from Consumer Electronics
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CHAPTER 33
VIDEO TAPE RECORDING AND REPRODUCTION
The idea of recording and playing back television pictures is as old as television; a primitive video disk was on sale in Selfridges of London in 1938. Yet the first post-World War II experiments in recording television pictures and playing them back were not made with the domestic market in mind. The intention was to remove the stranglehold live television broadcasting imposed on the medium. Repeats were impossible unless the production was shot all over again, or transferred to film.
Recording the signals which went over the air on magnetic tape seemed an obvious solution, but it proved amazingly difficult to achieve. To preserve a picture, vastly more complex information has to be recorded ...
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