Tempo detection device, tempo detection method and program
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United States of America Patent
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Apr 30, 2013
Grant Date -
Feb 2, 2012
app pub date -
Jul 26, 2011
filing date -
Aug 2, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A tempo detection device includes: a basic feature amount extracting section which extracts a plurality of types of basic feature amounts from an input audio signal; a weighting and adding section which weights and adds the basic feature amounts of the plurality of types extracted in the basic feature amount extracting section to obtain an addition signal; and a tempo detecting section which detects BPM indicating the tempo on the basis of a periodic component included in the addition signal obtained in the weighting and adding section.
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