| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a synchronization controlling method capable of suppressing an increase in a circuit scale and preventing bit slippage even when a multicarrier signal is handled and to provide a modulator-demodulator. <P>SOLUTION: In this synchronization controlling method for controlling a modulator for inputting data transmitted together with a first clock signal CLK1 from a prescribed information processing terminal through a data buffer and modulating the data extracted from the data buffer by digital signal processing to transmit the extracted data in synchronization with an internally generated second clock signal CLK2, the residual amount of the data stored in the data buffer 31 or a residual amount of the buffer is monitored, and the frequency of the second clock signal CLK2 is automatically adjusted in accordance with the volume of the detected residual amount. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
