Poly phase filter for dot sequential color difference signal con

Details Poly phase filter for dot sequential color difference signal con Poly phase filter for dot sequential color difference signal con

1996-10-18

1999-09-28

Faile, Andrew I.

Television

Image signal processing circuitry specific to television

Color television signal processing

348708, 348709, 348710, 364724012, 36472405, 3647241, 36472415, 36472416, H04N 964, G06F 1710

Patent

active

059596988

ABSTRACT:
A poly phase filter for converting a sampling frequency of a digital video signal to perform a dot sequential color difference signal conversion operation, the digital video signal including a luminance signal and a color difference signal, the color difference signal including two color difference signal components. The poly phase filter is adapted to generate a plurality of poly phase filter coefficients to be used to process the luminance signal and to process the color difference signal. The poly phase filter is also adapted to process the generated poly phase filter coefficients in units of two to process the color difference signal. Therefore, the present invention has the effect of reducing the hardware size and the associated cost.

REFERENCES:
patent: 5068716 (1991-11-01), Takayami et al.
patent: 5307157 (1994-04-01), Kobayashi et al.

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