H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/33, 350/36
H04N 11/00 (2006.01) G06T 9/00 (2006.01) H04N 7/00 (2006.01) H04N 11/24 (2006.01)
Patent
CA 1321011
RCA 84,877 Abstract of the Disclosure An NTSC compatible, single channel widescreen EDTV system encodes and decodes a television signal comprising (1) a main, standard format NTSC signal with auxiliary low frequency side panel image information compressed into an overscan region thereof; (2) auxiliary high frequency side panel image information; and (3) auxiliary high frequency horizontal luminance information. High frequency components 2 and 3 are subjected to non-linear amplitude companding, with large amplitude compression at an encoder and inverse amplitude expansion at a decoder.
577284
Company General Electric
Craig Wilson And Company
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