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Before WW2 (1939 to 1942) there were too few TV stations and almost all programming (except for movies which were already on 35mm movie film) was live.

Early television programs (1946 to 1956) were distributed to TV stations on 35mm movie film, which was scanned with a flying spot scanner to generate video.

Bing Crosby Enterprises (BCE), gave the world's first demonstration of a primitive videotape recording in Los Angeles on November 11, 1951, but the quality was too poor to make it practical.

The first practical professional broadcast quality videotape machines capable of replacing movie film were the two-inch videotape machines introduced by Ampex in Chicago on April 14, 1956.

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9y ago

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