| 摘要 |
A video decoder is provided which can convert analog composite video signals into noise-suppressed luminance and color difference signals without increasing the system in size. From the A/D converted composite video data, luminance component data carrying the luminance component and color difference component data carrying the color difference component are acquired. Then, dithering is performed on each piece of the luminance component data and the color difference component data for output as digital luminance and color difference signals.
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