Universität zu Köln

Roessig, Simon ORCID: 0000-0001-6413-1761, Winter, Bodo ORCID: 0000-0001-6036-6774 and Muecke, Doris (2022). Tracing the Phonetic Space of Prosodic Focus Marking. Front. Artif. Intell., 5. LAUSANNE: FRONTIERS MEDIA SA. ISSN 2624-8212

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Abstract

Focus is known to be expressed by a wide range of phonetic cues but only a few studies have explicitly compared different phonetic variables within the same experiment. Therefore, we presented results from an analysis of 19 phonetic variables conducted on a data set of the German language that comprises the opposition of unaccented (background) vs. accented (in focus), as well as different focus types with the nuclear accent on the same syllable (broad, narrow, and contrastive focus). The phonetic variables are measures of the acoustic and articulographic signals of a target syllable. Overall, our results provide the highest number of reliable effects and largest effect sizes for accentuation (unaccented vs. accented), while the differentiation of focus types with accented target syllables (broad, narrow, and contrastive focus) are more subtle. The most important phonetic variables across all conditions are measures of the fundamental frequency. The articulatory variables and their corresponding acoustic formants reveal lower tongue positions for both vowels /o, a/, and larger lip openings for the vowel /a/ under increased prosodic prominence with the strongest effects for accentuation. While duration exhibits consistent mid-ranked results for both accentuation and the differentiation of focus types, measures related to intensity are particularly important for accentuation. Furthermore, voice quality and spectral tilt are affected by accentuation but also in the differentiation of focus types. Our results confirm that focus is realized via multiple phonetic cues. Additionally, the present analysis allows a comparison of the relative importance of different measures to better understand the phonetic space of focus marking.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Roessig, Simon UNSPECIFIED orcid.org/0000-0001-6413-1761 UNSPECIFIED Winter, Bodo UNSPECIFIED orcid.org/0000-0001-6036-6774 UNSPECIFIED Muecke, Doris UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-665798
DOI:	10.3389/frai.2022.842546
Journal or Publication Title:	Front. Artif. Intell.
Volume:	5
Date:	2022
Publisher:	FRONTIERS MEDIA SA
Place of Publication:	LAUSANNE
ISSN:	2624-8212
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language VOCAL EFFORT; PROMINENCE; STRESS; COARTICULATION; ARTICULATION; KINEMATICS; INTONATION; INTENSITY; INTERPLAY; DURATION Multiple languages Computer Science, Artificial Intelligence; Computer Science, Information Systems Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/66579