| 摘要 |
A video signal processing apparatus is provided with a first clock generation circuit for generating a first clock synchronized with an input signal; a second clock generation circuit for receiving a set value to be a reference of an output frequency, adding the set value for every reference clock, extracting data according to the cumulative value, converting the data into an analog signal, reducing quantization noise, and multiplying the analog signal, thereby to obtain a second clock; and a clock switch circuit for generating a sync signal that is switched to the second clock, by using a sync signal generated with the first clock; and video signal processing is carried out using the second clock that is generated according to the resolution of a pixel display.
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