Method and rhythm extractor for detecting and isolating rhythmic signal features from an input signal using the wavelet packet transform
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United States of America Patent
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Nov 20, 2012
Grant Date -
May 6, 2010
app pub date -
Oct 20, 2009
filing date -
Oct 20, 2008
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Abstract
A method of detecting and isolating at least one rhythmic component from a discrete-time input signal, comprises subjecting the input signal to discrete wavelet packet transform multi-resolution analysis; applying wavelet packet basis selection criteria to the result of the analysis to evaluate rhythmic signal features of the input signal; and isolating at least one rhythmic signal component from the input signal based on the evaluation.
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