Automatic play apparatus and function expansion device

    公开(公告)号:US06620993B2

    公开(公告)日:2003-09-16

    申请号:US09726715

    申请日:2000-11-30

    IPC分类号: A63H500

    CPC分类号: G10H1/0066 G10H2240/021

    摘要: In an automatic play apparatus for electronic music system, it is often desired to expand its function in universal and easy way. In this invention, at steps 100-140, the sequencer module records music performance data provided from an external device or it reproduces them. Sometimes it does both at the same time. In a series of processing at steps 100-140, the queue processing 200, 300 and 400 are introduced. In each queue processing, a part of the music performance data is memorized temporarily in Temporary Memory Area 200a, 300a and 400a, and the pointer, as an argument, corresponding to the memorized part of the music performance data is transferred to various plug-in programs which work as function expansion modules. The plug-in programs are thus enabled to read out the music performance data and write them, respectively from and in Temporary Memory Area 200a, 300a and 400a.