| 摘要 |
PROBLEM TO BE SOLVED: To provide a playback device capable of selecting and playing a plurality of correlated pieces of music when different types of music such as the same music of no singing and different pieces of music with singing coexist to form a plurality of music tracks. SOLUTION: A key input part 8 connected to a CPU 1 is provided with a normal operation key 9 constituted of a plurality of keys for instructing the operation mode of disk playback to playing/stopping or the like, a replacement key 10, and a random key 11. A group memory 12 connected to the CPU 1 stores data in which a plurality of playback track numbers are grouped into music types such as music with singing and karakoke music. The data is stored in a state where track numbers 1 to N are divided into n groups. The grouped data are reproduced by group units based on the output of a random number generation circuit 14. COPYRIGHT: (C)2005,JPO&NCIPI
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