Pitch Detection Method Based on HHT

Yao Qi Wang; Xiao Peng Wang; Tao Lei

doi:10.4028/www.scientific.net/AMR.846-847.1111

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 846-847Pitch Detection Method Based on HHT

Pitch Detection Method Based on HHT

Abstract:

A new method of pitch detection is proposed based on Hilbert-Huang Transform (HHT). Firstly noisy speech signal is filtered by morphological filtering to remove the noise, and then HHT is employed to get Hilbert-Huang spectrum and to calculate instantaneous energy and its derivative. Distinguish the unvoiced and voiced using mutation of instantaneous energy and track pitch.

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Periodical:

Advanced Materials Research (Volumes 846-847)

Pages:

1111-1114

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.846-847.1111

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Online since:

November 2013

Authors:

Yao Qi Wang*, Xiao Peng Wang, Tao Lei

Keywords:

Empirical Mode Decomposition (EMD), HHT, IMF, MMF, Pitch Detection

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* - Corresponding Author

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