Tempo detecting device and tempo detecting program
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United States of America Patent
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Jan 1, 2013
Grant Date -
Mar 24, 2011
app pub date -
Apr 11, 2008
filing date -
Apr 11, 2008
priority date (Note) -
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Abstract
A tempo detecting device 100 includes an envelope detecting means 1 that detects an envelope of musical composition data, a frequency-component detecting means 2 that performs a discrete Fast Fourier Transform processing on the detected envelope to thereby detect a frequency spectrum, and a tempo detecting means 3 that detects, based on a characteristic of the detected frequency spectrum, a tempo of the musical composition data.
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