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Wide-Band Pitch Estimation for Natural Sound Sources with Inharmonicities

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In this paper, a method is described for the estimation of the pitch of non-ideal harmonic sounds at a wide frequency band. To achieve robustness against noise, the designed system is built upon completely independent pitch estimations at distinct frequency bands. A novel method is presented which allows pitch determination using only higher order harmonics, even several octaves above the actual fundamental frequency. The system was validated using different musical instruments and a wide pitch range.

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