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Beyond style: synthesizing speech with pragmatic functions
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Speech, Music and Hearing, TMH.ORCID iD: 0000-0001-9537-8505
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Speech, Music and Hearing, TMH.ORCID iD: 0000-0002-0397-6442
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Speech, Music and Hearing, TMH.ORCID iD: 0000-0003-1175-840X
2023 (English)In: Interspeech 2023, International Speech Communication Association , 2023, p. 3382-3386Conference paper, Published paper (Refereed)
Abstract [en]

With recent advances in generative modelling, conversational systems are becoming more lifelike and capable of long, nuanced interactions. Text-to-Speech (TTS) is being tested in territories requiring natural-sounding speech that can mimic the complexities of human conversation. Hyper-realistic speech generation has been achieved, but a gap remains between the verbal behavior required for upscaled conversation, such as paralinguistic information and pragmatic functions, and comprehension of the acoustic prosodic correlates underlying these. Without this knowledge, reproducing these functions in speech has little value. We use prosodic correlates including spectral peaks, spectral tilt, and creak percentage for speech synthesis with the pragmatic functions of small talk, self-directed speech, advice, and instructions. We perform a MOS evaluation, and a suitability experiment in which our system outperforms a read-speech and conversational baseline.

Place, publisher, year, edition, pages
International Speech Communication Association , 2023. p. 3382-3386
Keywords [en]
conversational TTS, pragmatic functions, speech synthesis
National Category
Language Technology (Computational Linguistics) General Language Studies and Linguistics
Identifiers
URN: urn:nbn:se:kth:diva-337836DOI: 10.21437/Interspeech.2023-2072Scopus ID: 2-s2.0-85171537616OAI: oai:DiVA.org:kth-337836DiVA, id: diva2:1803469
Conference
24th International Speech Communication Association, Interspeech 2023, Dublin, Ireland, Aug 20 2023 - Aug 24 2023
Note

QC 20231009

Available from: 2023-10-09 Created: 2023-10-09 Last updated: 2023-10-09Bibliographically approved

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Lameris, HarmGustafsson, JoakimSzékely, Éva

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Language Technology (Computational Linguistics)General Language Studies and Linguistics

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf