| 摘要 |
PURPOSE:To start reproduction at and after the head of a message with plural circuits for each circuit by converting the message of a sound source into digital codes to store them temporarily to a memory and then reproducing the message after performing the program searching with those circuits independently of each other. CONSTITUTION:A sound message part including a start tone which is reproduced repetitively is digitized out of a sound source 1 by a sound coding circuit 3, and the start tone part is detected by a start tone detecting circuit 4. A control circuit 6 transfers the digital sound data to an address in a memory which is indicated by the 1st program counter PC within a coding cycle. Then the counter PC is counted up by one and then cleared if a signal output is delivered from the circuit 4. Then the coded sound data are read successively out of the address indicated by the value of the 2nd PC corresponding to each circuit and then transferred to sound decoding circuits 8A, 8B- to count up the 2nd PC just by one. These transferred sound data are decoded and delivered. |
