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Definition of "dropout compensation" |
signal compensation provided when a loss of information from magnetic tape defects occurs during VCR tape playback. Signal dropouts result from oxide or dust interfering with the tape head to tape contact when the VCR is in the record or the playback operational mode. A horizontal delay line stores the luminance signal of the previous line that is used to replace the lost video information. The signal dropout is detected as a loss of the tape playback. FM signal activates an electronic switch. The switch substitutes the stored delay line contents into the video path to compensate for the lost video from the tape playback. |
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