Figure 2 | Scientific Reports

Figure 2

From: New objective timbre parameters for classification of voice type and fach in professional opera singers

Figure 2

Correlation heat map showing the relationships between candidates for the input features in a random forest model. FHE frequency of half energy, Jitt Jitter, PHE position of half energy, Shim Shimmer, StaFo Start of formant, StoFo Stop of formant, StreFo Strength of formant, SC spectral centroid, SK spectral kurtosis, SS spectral skewness, SV spectral variance, VE vibrato extent, VR vibrato rate.

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