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On Extending VTLN to Phoneme-specific Warping in Automatic Speech Recognition
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), Speech, Music and Hearing, TMH, Speech Communication and Technology.
2009 (English)In: Proceedings of Fonetik 2009, 2009Conference paper, Published paper (Other academic)
Abstract [en]

Phoneme- and formant-specific warping hasbeen shown to decrease formant and cepstralmismatch. These findings have not yet been fullyimplemented in speech recognition. This paperdiscusses a few reasons how this can be. A smallexperimental study is also included where phoneme-independent warping is extended towardsphoneme-specific warping. The results of thisinvestigation did not show a significant decreasein error rate during recognition. This isalso in line with earlier experiments of methodsdiscussed in the paper.

Place, publisher, year, edition, pages
2009.
National Category
Computer Science Language Technology (Computational Linguistics)
Identifiers
URN: urn:nbn:se:kth:diva-52094OAI: oai:DiVA.org:kth-52094DiVA: diva2:465388
Conference
Fonetik 2009, 10-12 juni, Stockholm
Note
QC 20120111. tmh_import_11_12_14Available from: 2011-12-14 Created: 2011-12-14 Last updated: 2012-01-11Bibliographically approved

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CiteExportLink to record
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