Videotape
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High Quality Content by WIKIPEDIA articles! Videotape is a means of recording images and sound on to magnetic tape as opposed to movie film. Videotapes are also used for storing scientific or medical data, such as the data produced by an electrocardiogram. In most cases, a helical scan video head rotates against the moving tape to record the data in two dimensions, because video signals have a very high bandwidth, and static heads would require extremely high tape speeds. Videotape is used in both video tape recorders (VTRs) or, more commonly, video cassette recorders (VCRs) and video cameras.…mehr

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High Quality Content by WIKIPEDIA articles! Videotape is a means of recording images and sound on to magnetic tape as opposed to movie film. Videotapes are also used for storing scientific or medical data, such as the data produced by an electrocardiogram. In most cases, a helical scan video head rotates against the moving tape to record the data in two dimensions, because video signals have a very high bandwidth, and static heads would require extremely high tape speeds. Videotape is used in both video tape recorders (VTRs) or, more commonly, video cassette recorders (VCRs) and video cameras. Tape is a linear method of storing information and, since nearly all video recordings made nowadays are digital, it is expected to gradually lose importance as non-linear/random-access methods of storing digital video data become more common.