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United States of America Patent
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Feb 25, 2014
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N/A
app pub date -
Feb 15, 2010
filing date -
Feb 17, 2009
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Abstract
A method for audio processing includes receiving in an electronic processor an audio input from a performance of a musical piece having a score. A two-dimensional state space is defined, including coordinates modeling the performance, each coordinate corresponding to a respective location in the score and a tempo of the performance. For each of a plurality of times during the performance, a probability distribution is computed over the two-dimensional state space based on the audio input. Based on the probability distribution, the performance is matched to the score.
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