Method and apparatus for reproducing information from a video di

Details Method and apparatus for reproducing information from a video di Method and apparatus for reproducing information from a video di

1996-06-12

1998-06-02

Chevalier, Robert

Motion video signal processing for recording or reproducing

Local trick play processing

With randomly accessible medium

386126, H04N 5781, H04N 585

Patent

active

057613745

ABSTRACT:
A video disc has sector-corresponding PSD data portions. A memory has divided regions corresponding to banks respectively. The sector-corresponding PSD data portions are dumped from the video disc to the banks of the memory respectively. A detection is made as to whether or not a desired sector-corresponding PSD data portion is in the memory. The desired sector-corresponding PSD data portion is read out from the memory when the desired sector-corresponding PSD data portion is in the memory. When the desired sector-corresponding PSD data portion is not in the memory, the desired sector-corresponding PSD data portion is dumped from the video disc to a bank of the memory which has not yet been subjected to a data reading process.

REFERENCES:
patent: 5191567 (1993-03-01), Yasuda et al.
patent: 5594709 (1997-01-01), Nagano et al.

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