Digital signal processing apparatus for achieving fade-in and fade-out effects on digital video signals
AssigneeSony Corporation
InventorMasaki Oguro
Life of this patent
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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.
Claims15
Digital signal processing apparatus in which compressed frequency components of a digital video signal are processed to produce special video effects, comprising:
- means for receiving said compressed frequency components of said digital video signal;
- and
- means for processing said digital video signal by operating upon said compressed frequency components of said digital video signal to selectively achieve fade-in, fade-out and scene change effects.
Digital signal processing apparatus in which compressed frequency components of a digital video signal are processed to produce special video effects, comprising:
- means for receiving said compressed frequency components of said digital video signal, said compressed frequency components including an orthogonally transformed DC component;
- and
- means for processing said digital video signal by operating upon only said orthogonally transformed DC component of said digital video signal to selectively achieve fade-in, fade-out and scene change effects.
Dependencies are inferred from the claim text.