Television – Format conversion
Reexamination Certificate
2005-10-21
2011-12-06
Lee, Michael (Department: 2422)
Television
Format conversion
C348S571000
Reexamination Certificate
active
08072539
ABSTRACT:
This invention is an apparatus and method for digital processing of television like signals and in particular the use of oversampling and interpolation to achieve improved resolution of the digital version of such signals as compared to a digital version obtained by the use of simple A/D conversion or processing at the desired sample rate. The preferred embodiment utilizes oversampling, interpolation and various filtering in recursive and nonrecursive form to provide output video signals wherein the artifacts and distortion of the video are kept to low levels.
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Cooper J. Carl
Loveless Howard
Vojnovic Mirko
Wallen David
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