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Teaching a vocal tract simulation to imitate stop consonants

Huckvale, M; Howard, I; (2005) Teaching a vocal tract simulation to imitate stop consonants. In: Proceedings of the Interspeech'2005 - Eurospeech. (pp. pp. 3213-3216). ICSA: Lisbon, Portugal. Green open access

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Abstract

The imitation of spoken stop consonants by an articulatory synthesizer using only general learning principles addresses significant issues in speech inversion and speech acquisition. Stop consonants are relatively large, complex acoustic events resulting from discrete articulations, so inversion based on the use of small time windows or based on the minimisation of average articulatory error across multiple places of articulation will not provide a satisfactory solution. This paper explores the effect of variation in inversion window size and the use of smoothing constraints on the quality of imitation of the stops [b], [d] and [g]. However good results are only obtained when inversion is supplemented by a phonetic labelling performed over a large time window. This source of additional phonetic information allows inversion to exploit different discrete gestures for the different places of articulation. The results demonstrate the importance of a phonological layer of perceptual analysis prior to imitation and speech acquisition.

Type: Proceedings paper
Title: Teaching a vocal tract simulation to imitate stop consonants
Event: Interspeech'2005 - Eurospeech
Open access status: An open access version is available from UCL Discovery
Publisher version: https://www.isca-speech.org/archive/interspeech_20...
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Speech, Hearing and Phonetic Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/74338
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