| 摘要 |
PURPOSE:To simply and successively switch an additional condition of a musical effect for a musical sound signal and an acoustic signal from the outside according to an advance of a musical composition. CONSTITUTION:A sound source circuit 11 generates the musical sound signal based on the performance data supplied from a microcomputer 42 successively automatically to lead it to a DSP 20. The acoustic signals such as an instrument sound and a singing voice, etc., inputted by a microphone 12 are led to the DSP 20 also. An effect control parameter is made coexist into the performance data beforehand, and it is outputted to the DSP 20 interlocking with the supply of the performance data, and the additional condition of the musical effect by the DSP 20 is switched successively according to the advance of the musical composition. Thus, the additional condition of the musical effect for the musical sound signal from the sound source circuit 11 and the acoustic signal from the outside is controlled automatically according to the advance of the musical composition. |
