Auto-accompaniment apparatus with auto-chord progression of accompaniment tones
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United States of America Patent
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-
Feb 4, 1992
Grant Date -
N/A
app pub date -
Dec 19, 1990
filing date -
Dec 21, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An auto-accompaniment apparatus for an electronic musical instrument which includes an accompaniment pattern storage means and chord progression pattern storage means. These accompaniment pattern and chord progression pattern are programmed in the storage means for each type of rhythms. Accompaniment pattern data and the chord progression pattern data are read out from the storage means in response to selection of rhythm. A modifier modifies accompaniment notes in the accompaniment pattern data in accordance with programmed chord name in the chord progression pattern data. A tone generator generates accompaniment tones on the basis of the modified accompaniment notes.
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