| 摘要 |
PROBLEM TO BE SOLVED: To prevent confusion of a music selection/reservation operation by preventing a music selection/reservation operation by mischief from outside a karaoke bar and the like from being performed when a personal portable terminal is used as a remote control unit for selecting and reserving karaoke music.SOLUTION: A key code is issued by a key code issuance means 101. Music selection management information 64b comprising the key code and portable terminal ID for identifying a karaoke performance terminal 30 is managed by music selection management means 69. The key code and the music ID 53a of selected music are transmitted from a personal portable terminal 50 to the karaoke performance terminal 30 via a portable telephone network 80, Internet 40, and a karaoke server 20. The music selection/reservation means 67 compares the key code included in the music selection management information 64b managed by the music selection management means 69 with the received key code, and allows music selection/reservation only when both the key codes match. |
