Apparatus and method for removing noise bar

Details Apparatus and method for removing noise bar Apparatus and method for removing noise bar

1997-04-16

1999-07-06

Garber, Wendy

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386 76, 386 78, 360 721, 360 723, 360 75, H04N 591

Patent

active

059206764

ABSTRACT:
A reproduction control apparatus and method in a video cassette recorder (VCR) reduces for reducing noise generated during a high-speed search of a picture in the VCR . In the reproduction control method in a forward high-search mode, it is determined whether or not a command for the forward high-speed search mode is input by a user. Then, if a user inputs a command for the forward high-speed search mode, the capstan motor is controlled to transfer the tape at a predetermined multiple speed. Next, the drum motor is controlled to increase the rotation speed of the drum to maintain a traveling angle which a composite vector of the rotation velocity vector of the drum and the tape velocity vector makes with the tape velocity vector at the traveling angle in a normal playback mode. Therefore, the tape traveling angle is maintained at that in the normal playback mode, and a clean picture having no noise bar can be obtained.

REFERENCES:
patent: 5319500 (1994-06-01), Yu
patent: 5359462 (1994-10-01), Park et al.
patent: 5684916 (1997-11-01), Hong

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