Estimating pitch using peak-to-peak distances
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United States of America Patent
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Dec 12, 2017
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app pub date -
Dec 15, 2015
filing date -
Feb 6, 2015
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Abstract
An estimate of a pitch of a signal may be computed by using peak-to-peak distances in a frequency representation of the signal. A frequency representation of the signal may be computed, peaks in the frequency representation may be identified, for example, by identifying peaks larger than a threshold value. Peak-to-peak distances may be determined using the locations in frequency of the peaks. The pitch of the signal may be estimated by, for example, estimating cumulative distribution function of the peak-to-peak distances or computing a histogram of the peak-to-peak distances.
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