GP-ML

Features

Prosodic Feature	Label	Description
Duration	duration
Mean spectral energy	energy	The expression of emotion impacts the spectral energy distribution. On the one hand emotional states characterized by a breathy voice quality such as tenderness, sadness, and eroticism present a low harmonic energy. On the other hand, emotional states such as joy, anger, and fear are characterized by high harmonic energy.
Power	power
Pitch	min_pitch max_pitch mean_pitch pitch_std diff_pitch_max_min diff_pitch_max_mean	Pitch is how high or low the voice sounds, The pitch of a voice may change based on the situation like in stressful situations the voice's fundamental frequency raises, and that "active" emotions such as anger and fear tend to be reflected in increased mean pitch and pitch variance, whereas "low energy" states such as sorrow and indifference are associated with a lower mean pitch and a slower speech rate.
Intensity	min_intensity max_intensity mean_intensity intensity_std diff_intensity_max_min diff_intensity_max_mean	It has often been suggested that there are affects that are expressed loudly and others for which a low intensity is typical. Acoustic profiles of emotional expressions suggest that anger and happiness are signaled by increased pitch, increased loudness, and a faster rate of speech, whereas boredom and grief are characterized by low pitch and a slow speaking rate.
Fundamental Formant	f1mean f2mean f3mean f1std f2std f3std f2meanf1 f3meanf1 f2stdf1 f3stdf1	The frequencies of the first and second formant of the vowels i, u, and awas measured and shown to be significantly affected by emotion dimension. High arousal resulted in a higher mean F1 in all vowels, whereas positive valence resulted in higher mean values for F2.
Jitter and Shimmer	jitter shimmer rap_jitter	Jitter and shimmer can be indicators of underlying stress in human speech
Pauses	dur_pauses avg_pause max_pause cnt_pauses

Lexical Feature	Label	Example
I	i	I, I’m, I’ve, I’ll, I’d, etc.
We	we	we, we’ll, we’re, us, our, etc.
They	They	they, they’re, they’ll, them, etc.
Filler words	Fillers	uh, umm, etc.
Positive words	Positive	accomplishment, encourage, helpful, etc.
Negative words	Negative	bad, hate, lose, etc.
Anger	Anger	argue, clash, angry, etc.
Anticipation	Anticipation	achievement, deal, medal, etc.
Fear	Fear	afraid, cruel, fright, etc.
Joy	Joy	enjoy, advent, miracle, etc.
Sadness	Sadness	sad, disappointment, punishment, etc
Surprise	Surprise	surprised, alarming, emergency, etc.
Trust	Trust	trust, ensemble, leader, etc.
Articles	DET	a, an, the, etc.
Verbs	VERB	common English verbs.
Adverbs	ADV	common English adverbs.
Prepositions	ADP	common prepositions
Conjunctions	CONJ	common conjunctions
Negations	NEG	no, never, none, cannot, don’t, etc
Number	NUM	words related to number, e.g.,first, second, hundred, etc.
Words count	WC
Unique words count	UWC

Facial Feature	Label	Example
Pose	pitch yaw roll