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Table 2 Descriptions of vocal features

From: A practical approach to Sasang constitutional diagnosis using vocal features

 Features        Descriptions
sF0, sFSTD Average pitch and standard deviation
sI0, sISTD Average intensity and standard deviation
sMFCC0 ~ 12 13 Mel-frequency cepstral coefficients
sSPD Reading speed for a sentence
sLPR1 Log power ratio (60 ~ 240 Hz/240 ~ 960 Hz)
sLPR2 Log power ratio (240 ~ 960 Hz/960 ~ 3840 Hz)
sLPR3 Log power ratio (60 ~ 240 Hz/960 ~ 3840 Hz)