Automatic performance apparatus with display showing progress of tune
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United States of America Patent
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Aug 3, 1993
Issued Date -
N/A
app pub date -
Apr 16, 1992
filing date -
Jan 13, 1988
priority date (Note) -
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Abstract
An automatic performance apparatus includes a memory for storing performance data which is generated by an external unit such as an electronic musical instrument having a keyboard. The apparatus includes a measuring unit for measuring the elapsed time of a progressive tune, and a ratio computing unit for computing a time ratio between the measured elapsed time and the total time required to read out all the performance data. This time ratio is displayed to the user. Further, a jump control unit employs the time ratio to determine a jump amount in a fast-forward and fast-rewind mode.
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