Television – Bandwidth reduction system – Format type
Patent
1993-08-25
1995-07-11
Groody, James J.
Television
Bandwidth reduction system
Format type
348627, 348909, H04N 712, H04N 521
Patent
active
054325579
ABSTRACT:
In a receiver for extended television signals in which a wide aspect ratio picture and at least one horizontal bar are jointly coded so as to form a standard aspect ratio picture, the at least one horizontal bar conveys vertical resolution enhancement information, and the extended television signal receiver includes an arrangement (107,111) for modifying the vertical resolution enhancement information to reduce an amount of distortions comprised therein, and an arrangement for combining the wide aspect ratio picture and the modified vertical resolution enhancement information to provide an enhanced wide aspect ratio picture.
REFERENCES:
patent: 4684989 (1987-08-01), Roeder et al.
patent: 5005082 (1991-04-01), Zdepski et al.
patent: 5067018 (1991-11-01), Sakamoto et al.
patent: 5121211 (1992-06-01), Koo
patent: 5225907 (1993-07-01), Casavant et al.
Hamann Theodora L.
Poot Teunis
Rosendaal Leendert T.
Tichelaar Johannes Y.
Van de Goor Wilhelmus A.
Goodman Edward W.
Groody James J.
Lee Michael H.
U.S. Philips Corporation
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