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Resolving Non-uniqueness in the Acoustic-to-Articulatory Mapping
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Speech Communication and Technology. KTH, School of Computer Science and Communication (CSC), Centres, Centre for Speech Technology, CTT.
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Speech Communication and Technology. KTH, School of Computer Science and Communication (CSC), Centres, Centre for Speech Technology, CTT.ORCID iD: 0000-0003-4532-014X
2011 (English)In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, Prague, Czech republic, 2011, p. 4628-4631Conference paper, Published paper (Refereed)
Abstract [en]

This paper studies the role of non-uniqueness in the Acoustic-to- Articulatory Inversion. It is generally believed that applying continuity constraints to the estimates of thearticulatory parameters can resolve the problem of non-uniqueness. This paper tries to find out whether all instances of non-uniqueness can be resolved using continuity constraints. The investigation reveals that applying continuity constraints provides the best estimate in roughly around 50 to 53 % of the non-unique mappings. Roughly around 8 to13 % of the non-unique mappings are best estimated by choosing discontinuous paths along the hypothetical high probability estimates of articulatory trajectories.

Place, publisher, year, edition, pages
Prague, Czech republic, 2011. p. 4628-4631
Series
International Conference on Acoustics Speech and Signal Processing ICASSP, ISSN 1520-6149
Keywords [en]
Conditional Probability Distribution, Continuity constraints
National Category
Computer Sciences Language Technology (Computational Linguistics)
Identifiers
URN: urn:nbn:se:kth:diva-52188DOI: 10.1109/ICASSP.2011.5947386ISI: 000296062405059Scopus ID: 2-s2.0-80051657767ISBN: 978-145770539-7 (print)OAI: oai:DiVA.org:kth-52188DiVA, id: diva2:465485
Conference
36th IEEE International Conference on Acoustics, Speech, and Signal Processing, ICASSP 2011, Prague, 22 May 2011 through 27 May 2011
Note
tmh_import_11_12_14. QC 20111220Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2018-01-12Bibliographically approved

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