Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1997-04-29
1998-12-01
Chin, Tommy P.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 28, 386 44, H04N 980
Patent
active
058450408
ABSTRACT:
A video signal reproduction apparatus reproduces a chrominance signal which has been converted to a low frequency band and recorded on a magnetic tape. The low frequency chrominance signal read out from the magnetic tape is first subjected to phase recovery processing. Then, frequency conversion is carried out for the phase recovered chrominance signal to generate a reproduced chrominance signal. Thus, phase recovery is carried out prior to frequency conversion, and an oscillation signal can be directly supplied to the frequency converter from a voltage controlled oscillator in a phase controller, thereby achieving an accurate frequency conversion. This structure allows an extra frequency converter or a complicated band pass filter to be omitted.
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European Search Report, May 31, 1996.
Chin Tommy P.
Lee Y.
Sanyo Electric Co,. Ltd.
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