| 摘要 |
PURPOSE:To sound a harmony sound to be used as accompanying chords not by simple sound height conversion by converting a sound to be inputted to the harmony sound as the constitutive tone of the accompanying chord. CONSTITUTION:A sound height converting means 5 converts the height of the sound inputted from a sound input means 1 to the height of one or plural tones constituting the chord to be decided by chord information inputted from a chord information input means 15. The sound (harmony sound) converting the height is added to the sound (direct sound) inputted from the microphone 1 and digitally converted by the mixer 6, converted to be analog by a D/A conversion circuit 7, amplified by an amplifier 8 and outputted from a loudspeaker 9. Thus, the height of the input sound can be always converted corresponding to the accompaniment, and the converted chords can be used as the accompaniment. |
