| 摘要 |
<P>PROBLEM TO BE SOLVED: To enable performing a duet of a musical piece without minding delay of a partner. Ž<P>SOLUTION: The musical piece is classified into a part (A) in which a singer A (for example, a male) sings, a part (B) in which a singer B (for example, a female) sings, a part (D) in which the singer A and the singer B sing together, and a part (M) in which nobody sings. In each of Karaoke devices, playback timings of the part (A) and the part (B) are adjusted according to a part of which the singer who sings the musical piece takes charge. If a charge part is a part of which the singer A takes charge, playback timing of the part (A) is made faster by L(network delay time)/2, and playback timing of the part (B) is delayed by L/2. If the charge part is a part of which the singer B takes charge, playback timing of the part (B) is made faster by L/2, and playback timing of the part (A) is delayed by L/2. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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