U.S. Philips Corporation

Dirk A Van Hees

Marcellinus J Annegarn

Peter H Frencken

Terence Doyle

A movement-adaptive processing circuit for an interlaced video signal has a selection circuit (5) which passes on to its output (21) one of the three video signals applied to its inputs (3, 9, 11) and which signals substantially correspond to three position-sequential lines of two consecutive fields when this signal has an amplitude which is closest to the mean amplitude of these three video signals. The processing circuit may be used many types of circuits such as, for example, in line or field number conversion circuits, noise suppression circuits, DPCM decoding circuits, vertical contour correction circuits and still-picture display circuits of video record players.

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Eindhoven, Netherlands

Dirk A Van Hees