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RESOLVING NON-UNIQUENESS IN THE ACOUSTIC-TO-ARTICULATORY MAPPING

Full Paper at IEEE Xplore

Modeling and Analysis of Speech Production

Presented by: Gopai Ananthakrishnan, Author(s): Ananthakrishnan G, Olov Engwall, KTH - Royal Institute of Technology, Sweden

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 the articulatory 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 to 13 \% of the non-unique mappings are best estimated by choosing discontinuous paths along the hypothetical high probability estimates of articulatory trajectories.

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  Lecture Information

Recorded: 2011-05-27 11:10 - 11:30, Panorama
Added: 9. 6. 2011 09:54
Number of views: 15
Video resolution: 1024x576 px, 512x288 px
Video length: 0:18:44
Audio track: MP3 [6.40 MB], 0:18:44