| 摘要 |
PROBLEM TO BE SOLVED: To reproduce an original acoustic signal in order without causing lacking of this acoustic signal by writing the acoustic signal reproduced from a recording medium periodically in a memory, reproducing the acoustic signal in reading it at a higher speed than at the writing time. SOLUTION: A sound signal reproduced reversibly and slowly is inputted via a low pass filter 1 to an A/D converter 2. In the A/D converter 2, the input signal is A/D-converted at a low speed with a prescribed timing and is written in the memory 8. Then, the written data is read out of the memory 8 with a prescribed timing, and is converted by a D/A converter 3 into an analog signal, which is then outputted via an LPF 4. The memory 8 has a storage capacity of, for instance, 256Kbits and a data length of 8bits having an address of 32Kbits. A read-out sampling frequency is about 16KHz. |
