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SIMPLIFICATION OF VOCAL TRACT SHAPES WITH DIFFERENT LEVELS OF DETAIL
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Speech Communication and Technology.ORCID iD: 0000-0002-8991-1016
(GTM Grup de recerca en Tecnologies Mèdia, La Salle, Universitat Ramon Llull)
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Speech Communication and Technology.ORCID iD: 0000-0003-4532-014X
2015 (English)In: Proceedings of the 18th International Congress of Phonetic Sciences. Glasgow, UK, University of Glasgow , 2015, 1-5 p.Conference paper, Published paper (Refereed)
Abstract [en]

We propose a semi-automatic method to regenerate simplified vocal tract geometries from very detailed input (e.g. MRI-based geometry) with the possibility to control the level of detail, while maintaining the overall properties. The simplification procedure controls the number and organization of the vertices in the vocal tract surface mesh and can be assigned to replace complex cross-sections with regular shapes. Six different geometry regenerations are suggested: bent or straight vocal tract centreline, combined with three different types of cross-sections; namely realistic, elliptical or circular. The key feature in the simplification is that the cross-sectional areas and the length of the vocal tract are maintained. This method may, for example, be used to facilitate 3D finite element method simulations of vowels and diphthongs and to examine the basic acoustic characteristics of vocal tract in printed physical replicas. Furthermore, it allows for multimodal solutions of the wave equation.

Place, publisher, year, edition, pages
University of Glasgow , 2015. 1-5 p.
Keyword [en]
vocal tract shape, simplification, voice production, acoustics, area function
National Category
Language Technology (Computational Linguistics)
Identifiers
URN: urn:nbn:se:kth:diva-180295ISBN: 978-0-85261-941-4 (print)OAI: oai:DiVA.org:kth-180295DiVA: diva2:892338
Conference
18th International Congress of Phonetic Science, Glasgow, UK,10-14 Aug, 2015
Funder
EU, European Research Council, 6877
Note

QC 20160323

Available from: 2016-01-10 Created: 2016-01-09 Last updated: 2016-04-14Bibliographically approved

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fulltext(573 kB)30 downloads
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Dabbaghchian, Saeed

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CiteExportLink to record
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Cite
Citation style
  • apa
  • harvard1
  • 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
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