| 摘要 |
PURPOSE:To improve the reproducibility of automatic playing by supplying lots of keying signals obtained from lots of keying signal generating circuits to corresponding drive means respectively as drive inputs. CONSTITUTION:A touch data TD corresponding to an input key data KD is sent from an output section corresponding to the input key data KD of a distribution circuit 4, fed to a buffer memory 5 and stored in a recording block corresponding to each output section of the distribution circuit 4. A keying signal generating circuit 6 fetches a touch data from the corresponding recording block to a register and a preset counter 10 counts the clock pulse phi in response to the touch data to obtain the clock pulses of the number in response to the keying strength represented by the touch data TD as the keying signal. Then lots of the keying signals obtained from each keying signal generating circuit 6 are fed to corresponding drive means 7 respectively as drive inputs to attain keyboard playing automatically.
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