2020
DOI: 10.1088/1742-6596/1693/1/012134
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Research on Crane Sound Clustering of MFCC Based on HHT

Abstract: Due to the uniqueness of the sound mechanism of birds, they have typical non-stationary and nonlinear characteristics. This paper proposed a new acousic feature, HHT-MFCC, combined the HHT transformation and MFCC method, aiming at the dynamic instantaneousness of bird sounds. This method, firstly, uses the ensemble empirical mode decomposition EEMD to decompose the bird sounds into a number of intrinsic modal functions IMFs, and then adopts the Hilbert transform to obtain the Hilbert marginal spectrum of each … Show more

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“…For the two songs that need to be matched, feature extraction is to extract some salient features from them. The song melody features mainly include four feature vectors of pitch, length, speed, and dynamics [13,14].…”
Section: Intelligent Scoring Of the Melody Model Singing Training Bas...mentioning
confidence: 99%
“…For the two songs that need to be matched, feature extraction is to extract some salient features from them. The song melody features mainly include four feature vectors of pitch, length, speed, and dynamics [13,14].…”
Section: Intelligent Scoring Of the Melody Model Singing Training Bas...mentioning
confidence: 99%