Deep Architectures for Articulatory Inversion

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We implement two deep architectures for the acoustic-articulatory inversion mapping problem: a deep neural network and a deep trajectory mixture density network. We find that in both cases, deep architectures produce more accurate predictions than shallow architectures and that this is due to the higher expressive capability of a deep model and not a consequence of adding more adjustable parameters. We also find that a deep trajectory mixture density network is able to obtain better inversion accuracies than smoothing the results of a deep neural network. Our best model obtained an average root mean square error of 0.885 mm on the MNGU0 test dataset.
Original languageEnglish
Title of host publicationINTERSPEECH 2012 13th Annual Conference of the International Speech Communication Association
PublisherISCA
Pages867-870
Number of pages4
Publication statusPublished - Sept 2012

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