| 摘要 |
PURPOSE:To allow the simultaneous execution of the sound production by both of the information by reproduction of an automatic performance with a sound source for automatic performance reproduction and the information inputted from the outside by superposing and outputting both of the performance information read out of a memory means and the inputted performance information. CONSTITUTION:The memory 1, in which a series of the performance information including key codes indicating the pitches of musical sounds are stored, outputs a series of the performance information by successively reading the same out of the assigned addresses. On the other hand, a keyboard device A fetches in the performance information inputted from the outside. Both of the performance information read out of the memory 1 and the inputted performance information are superposed and outputted by a double performance means 5. The sound production by both the information by the reproduction of the automatic performance with the sound source for the automatic performance reproduction and the information inputted from the outside is simultaneously executed when the performance is going to be made in conjunction with the automatic performance to be reproduced. |
