videocassette

In home videocassettes, the recorded signal is not in the formats described in the section Compatible colour television. Instead, the wave forms are converted to a “colour-under” format. Here the chrominance signal, rather than modulating a colour subcarrier located several megahertz above the picture carrier, is used…

…set by means of a cassette of magnetic tape. A videocassette recorder is commonly used to record television programs broadcast over the air or by cable and to play back commercially recorded cassettes on a television set.