Exploiting contextual information for prosodic event detection using auto-context

EURASIP Journal on Audio, Speech, and Music Processing

Table 3 Mapping between clusters of ToBI labels and prosodic categories for detection

Annotation tier	ToBI labels	Four-way pitch accent	Two-way pitch accent	Boundary
Tone tier	H, L+H, , ?, X*?	High	Accent	-
	L, L+!H, L*+H	Low
	!H, H+!H, L+!H*	Downstepped
	Others	Unaccent
Boundary tier	3, 4	-		Boundary presence
	Others	-		Boundary absence