H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/01 (2006.01) H04N 9/11 (2006.01)
Patent
CA 2044255
ABSTRACT Film originating NTSC video signals are converted to the PAL standard by a process which detects and eliminates duplicate fields. Video frames corresponding one-for-one with the original film frames are line interpolated to provide a PAL signal with minimal artefacts. Edits are detected and steps taken to avoid interpolations across a cut.
Caplin Guy Roland
Lyon David
Fetherstonhaugh & Co.
Snell & Wilcox Limited
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