Television – Bandwidth reduction system – Data rate reduction
Patent
1995-02-14
1997-12-02
Lee, Richard
Television
Bandwidth reduction system
Data rate reduction
386 68, 386111, H04N 724
Patent
active
056941722
ABSTRACT:
Apparatus for reproducing picture data includes a variable length decoder and Huffman decoder, an inverse discrete cosine transformer (IDCT) coupled to the Huffman decoder, an intra-frame unit for prediction and motion compensation coupled to the IDCT, a memory coupled to the intra-frame unit, a buffer memory coupled to an output of the intra-frame unit, a resolution changer coupled to the buffer memory, a frames in/out unit coupled to the output of the resolution changer; a unit for changing the picture frame time table coupled to the output of the frames in/out unit, a frame memory coupled to the changing unit, and a selector for selecting picture data for reproduction from the buffer memory or the changing unit.
REFERENCES:
patent: 4931879 (1990-06-01), Koga et al.
patent: 5068727 (1991-11-01), Haghiri et al.
patent: 5377051 (1994-12-01), Lane et al.
patent: 5453801 (1995-09-01), Kim
Hitoshi Takaie and Hiroyuki Kobayashi; "A Principle of A Changing of Picture Number and A Realization About C Language"; magazine article; Jan. 1993; pp.183-199; Japanese publication.
Yasuo Katayama; "An Outline of MPEG and A Trend About Standard of MPEG"; magazine article; Aug. 1992; pp. 124-146; Japanese publication.
Kabushiki Kaisha Toshiba
Lee Richard
LandOfFree
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