TABLE I.

Stratification of acoustic parameters implemented in the software based on their different categories.

Category	Parameters
Fundamental frequency (F0)	Mean of F0
	Median of F0
	Minimum F0
	Maximum F0
	SD of F0
F0 perturbation	Jitter local
	Jitter local, absolute
	Jitter rap
	Jitter ppq5
	Jitter ddp
	Shimmer local
	Shimmer local, dB
	Shimmer apq3
	Shimmer apq5
	Shimmer apq11
	Shimmer dda
Harmonicity	Harmonics-to-noise ratio (HNR)
	Noise-to-harmonics ratio (NHR)
	Autocorrelation
	Smoothed CPPs
Vocal tract function	Mel-frequency cepstral coefficients (MFCCs)
Airflow sufficiency	Maximum phonation time (MPT)
Periodicity	Number of voice breaks (NVB)
	Degree of voice breaks (DVB)
	Fraction of locally unvoiced frames