| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the acquiring of a submelody by allowing changes of intervals of a submelody to successively flow through the headphone of a singer in accordance with the progress of a signing music. SOLUTION: When a main melody is selected by a main melody/submelody selecting means 20, a mixer 4 mixes the accompaniment sound outputted from a first sound source 3 and a harmony sound from a pitch shifter 8. Moreover, when the submelody is selected by the means 20, the mixer 4 mixes the accompaniment sound outputted from the first sound source 3 and the digital sound obtained from the singing sound of a singer. An output from the mixer 4 is outputted from a speaker 11 as a karaoke music. Further, when the submelody is selected by the means 20, a submelody extracting means 31 extracts the submelody for among harmony information coming from a sequencer 1 to output it to a headphone 35 through which the singer can hear it via a second sound source 32, a second D/A converter 33 and a third amplifier 34. |
