Luminance signal noise suppressor

Details Luminance signal noise suppressor Luminance signal noise suppressor

H - Electricity

04

N

H04N 9/12 (2006.01) H04N 5/21 (2006.01)

Patent

CA 2047398

A luminance signal noise suppressor for suppressing noise of a video luminance signal automatically in a television receiver or the like in response to possible large noise which is detected as a high voltage by detecting high frequency components of an input video luminance signal band, and a noise suppression circuit is enabled or the correction quantity of a contour correction circuit is decreased.

Dispositif destiné à supprimer automatiquement le bruit de signal de luminance vidéo dans un téléviseur ou l'équivalent en réponse à d'intenses bruits possibles détectés sous forme de tension élevée. Les composantes HF d'une bande de signaux de luminance vidéo d'entrée sont détectées et un circuit de suppression de bruit est validé ou la quantité de correction d'un circuit de correction de contour est diminuée.

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