| 摘要 |
An electronic synchronizer sequentially reads out multi-track music data codes selectively assigned to an automatic player piano and an electronic sound generating system and already stored cue flags in arbitrary multi-track music data codes, and checks the fingering on the keyboard to see whether or not a pianist depresses the black/white key assigned the note marked with the cue flag, if the pianist depresses the black/white key within a predetermined time period, the electronic synchronizer supplies the multi-track music data codes concurrently to the automatic player piano and the electronic sound generating system for giving a guide to the pianist and the accompaniment: However, if not, the electronic synchronizer delays the data transfer so as to make the guide and the accompaniment synchronous with the fingering.
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