Digital signal processing apparatus for achieving fade-in and fa

Details Digital signal processing apparatus for achieving fade-in and fa Digital signal processing apparatus for achieving fade-in and fa

1993-12-14

1995-12-19

Kostak, Victor R.

Television

Image signal processing circuitry specific to television

Special effects

348593, H04N 974

Patent

active

054772761

ABSTRACT:
Digital signal processing apparatus in which compressed frequency components of a digital signal are processed to selectively achieve fade-in, fade-out and scene change effects and where the digital signal is scrambled (and subsequently descrambled) in whole or in by part scrambling (or descrambling) selected compressed frequency components of the digital signal.

REFERENCES:
patent: 4635112 (1987-01-01), Tomioka et al.
patent: 4947251 (1990-08-01), Hentschel
patent: 5245436 (1993-09-01), Alattar
patent: 5287187 (1994-02-01), Sato et al.
patent: 5351083 (1994-09-01), Tsukagoshi
patent: 5355173 (1994-10-01), Fujita
Patent Abstracts Of Japan vol. 16, No. 340 (E-1238) 23 Jul. 1992 & JP-A-04 103 271 (Nippon Hoso Kyokai) 6 Apr. 1992.
Patent Abstracts Of Japan vol. 14, No. 51 (E-881) 30 Jan. 1990 & JP-A-01 278 183 (Canon Inc.) 8 Nov. 1989.
Patent Abstracts of Japan vol. 16, No. 344 (E-1239) 24 Jul. 1992 & JP-A-04 105 475 (Canon Inc.) 7 Apr. 1992.

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