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Titel: Effects of surprisal and boundary strength on phrase-final lengthening
VerfasserIn: Andreeva, Bistra
Möbius, Bernd
Whang, James
HerausgeberIn: Minematsu, Nobuaki
Sprache: Englisch
Titel: Proceedings of the 10th International Conference on Speech Prosody
Startseite: 146
Endseite: 150
Verlag/Plattform: Speech Prosody Special Interest Group
Erscheinungsjahr: 2020
Erscheinungsort: Urbana
Titel der Konferenz: Speech Prosody 2020
Konferenzort: Tokyo, Japan
Dokumenttyp: Konferenzbeitrag (in einem Konferenzband / InProceedings erschienener Beitrag)
Abstract: This study examines the influence of prosodic structure (pitch accents and boundary strength) and information density (ID) on phrase-final syllable duration. Phrase-final syllable durations and following pause durations were measured in a subset of a German radio-news corpus (DIRNDL), consisting of about 5 hours of manually annotated speech. The prosodic annotation is in accordance with the autosegmental intonation model and includes labels for pitch accents and boundary tones. We treated pause duration as a quantitative proxy for boundary strength. ID was calculated as the surprisal of the syllable trigram of the preceding context, based on language models trained on the DeWaC corpus. We found a significant positive correlation between surprisal and phrase-final syllable duration. Syllable duration was statistically modeled as a function of prosodic factors (pitch accent and boundary strength) and surprisal in linear mixed effects models. The results revealed an interaction of surprisal and boundary strength with respect to phrase-final syllable duration. Syllables with high surprisal values are longer before stronger boundaries, whereas low-surprisal syllables are longer before weaker boundaries. This modulation of pre-boundary syllable duration is observed above and beyond the well-established phrase-final lengthening effect.
DOI der Erstveröffentlichung: 10.21437/SpeechProsody.2020-30
URL der Erstveröffentlichung: https://www.isca-speech.org/archive/SpeechProsody_2020/abstracts/88.html
Link zu diesem Datensatz: hdl:20.500.11880/29640
http://dx.doi.org/10.22028/D291-31933
ISSN: 2333-2042
Datum des Eintrags: 8-Sep-2020
Fakultät: P - Philosophische Fakultät
Fachrichtung: P - Sprachwissenschaft und Sprachtechnologie
Professur: P - Prof. Dr. Bernd Möbius
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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