Analogue video: A video signal that is captured transmitted and stored as a continuously varying voltage, rather than as a stream of bits as in digital video. Up until the advent of digital TV in the late 1990S, television worked by transmitted analogue video signals, and older video tape recorders such as VHS, PAL, Betamax and Umatic all store analogue signals.
The disadvantage of analogue video is that it is prone to noise interference, while its advantage is its great density: a domestic 3- hour VHS cassette holds the equivalent of 16 gigabytes of digital data.
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