Drop-out compensation circuit
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United States of America Patent
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-
Jul 23, 1991
Grant Date -
N/A
app pub date -
Apr 5, 1989
filing date -
May 9, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for the compensation of a drop-out in a frequency-modulated video signal comprises an FM demodulator (4), a dropout detector (5), an A/D converter (6), and a code-word-insertion circuit (9). The code-word-insertion circuit (9) is constructed to insert a unique code-word instead of and at the location of a sample which is disturbed by a drop-out. After processing of the digitized video signal in a video-signal processing unit (12) the unique code-words are detected in a code-word detector (15) and compensation for these drop-outs is effected in a compensation unit (16).
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