| 摘要 |
PROBLEM TO BE SOLVED: To realize reproduce at a double speed without imposing a load on a program even in the case of a sampling frequency whose division frequency is not an integer. SOLUTION: Output data of an A/D converter circuit 10 are written in a buffer circuit 11 based on a write clock, where a written clock number is counted. In response to the count result, a read number is set, and the buffer circuit 11 reads data according to a read clock and a read clock number is counted.
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