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    • 22. 发明授权
    • Automatic performance apparatus for an electronic musical instrument
    • 电子乐器自动演奏装置
    • US4920849A
    • 1990-05-01
    • US293938
    • 1989-01-05
    • Kotaro Mizuno
    • Kotaro Mizuno
    • G10H1/00G10H1/38
    • G10H1/38G10H1/0041G10H1/383Y10S84/22
    • An automatic performance apparatus which records a performance state in the form of performance data in a storage means, and plays back a performance based on the performance data read out from the storage means In a record mode, a chord detection means discriminates whether or not a chord has been established. If a chord has been established, then chord information is written in memory. If a chord has not been established, then tone information including key-on information or a note portion of key-on information, excluding octave information, is written in memory. The automatic performance apparatus enables the use of a storage means having a greatly reduced storage capacity as compared to a prior art one, and pitch or note information designated at a keyboard or the like are recorded/played back as performance data without modification.
    • 一种自动演奏装置,其以存储装置的演奏数据的形式记录演奏状态,并且基于从存储装置读出的演奏数据来回放演奏。在记录模式中,和弦检测装置判别是否 和弦已经建立。 如果和弦已经建立,则和弦信息被写入存储器。 如果还没有建立和弦,则将包括键入信息或不包括八度音程信息的按键信息的音符部分的音调信息写入存储器。 与现有技术相比,自动演奏装置能够使用具有大大降低的存储容量的存储装置,并且在没有修改的情况下以键盘等指定的音调或音符信息作为演奏数据被记录/播放。