| 摘要 |
PROBLEM TO BE SOLVED: To specify predetermined musical pieces among all reserved musical pieces together as objects to be played by a karaoke system which plays karaoke musical pieces that a user selects according to a reservation queue, and to achieve that by an existent tool. SOLUTION: Seat detection units 17 (17A to 17D) are provided at respective seats disposed in a space where karaoke is played, and seat IDs (1A, 1B, 2A, and 2D) are related to the respective seats. A reserved musical piece registering means 36 registers musical pieces selected having added seat IDs in the reservation queue 24A, a seat decision means 35 decides the seat IDs by acquiring detection signals from the seat detection units 17A to 17D at the seats where users sit, and a played musical piece specifying means 27 decides as an object to be played the musical piece to which the decided seat ID is given in the reservation queue 24A. COPYRIGHT: (C)2009,JPO&INPIT
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