Motion video signal processing for recording or reproducing – Local trick play processing – With randomly accessible medium
Patent
1995-07-28
1996-11-26
Tran, Thai Q.
Motion video signal processing for recording or reproducing
Local trick play processing
With randomly accessible medium
386 12, H04N 979, H04N 980
Patent
active
055791182
ABSTRACT:
An apparatus for processing a still screen in a digital video reproducing system which eliminates a color pattern appearing at a color boundary portion when digital video data is displayed in a still screen mode is disclosed. In the apparatus for processing the still screen in the digital video reproducing system, a horizontal synchronizing signal is delayed or led by one-half period of a chrominance subcarrier at every predetermined scanning field with reference to the chrominance subcarrier, thereby eliminating a jagged pattern at the color boundary portion of the still screen in case of a non-interlaced scanning system. Accordingly, a clear image is provided during the still screen operation while displaying the digital data on a display equipment.
REFERENCES:
patent: 4605951 (1986-08-01), Karibayashi
patent: 5218447 (1993-06-01), Hideo
patent: 5436729 (1995-07-01), Moro et al.
patent: 5497237 (1996-03-01), Hosokawa et al.
Daewoo Electronics Co. Ltd.
Tran Thai Q.
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