| 摘要 |
PROBLEM TO BE SOLVED: To provide a Karaoke device with such a state in mind that an eager Karaoke lover brings and uses a custom-made microphone which is personally owned, to a Karaoke store, the Karaoke device using a wireless microphone of an electric wave system as a vocal microphone. SOLUTION: Prior to performance of a request musical piece, when its musical piece ID is related to a user ID, it is determined whether, the user ID is related to the channel ID in a user database. When it is related, monitoring is performed by output of a channel indication signal including the channel ID corresponding to the user ID is output to a wireless microphone receiving means. When it is not related, the channel indication signal for indicating that it is set to a default channel is output to the wireless microphone receiving means. COPYRIGHT: (C)2011,JPO&INPIT
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