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The tongue in speech and feeding: comparative articulatory modelling

The tongue in speech and feeding: comparative articulatory modelling
The tongue in speech and feeding: comparative articulatory modelling
Two major functions of the human vocal tract are feeding and speaking. As, ontogenetically and phylogenetically, feeding tasks precede speaking tasks, it has been hypothesised that the skilled movements of the orofacial articulators specific to speech may have evolved from feeding functions. Our study explores this hypothesis by proposing an original methodological approach. Vocal tract articulatory measurements on two male subjects have been recorded for speech and feeding by electromagnetic articulography. Two guided Principal Component Analysis (PCA) articulatory models of the jaw/tongue system have been built for speech and feeding tasks. The two articulatory models show similar reconstruction accuracy. The speech and feeding articulations have been reconstructed respectively from feeding and speech raw PCA models. Root mean square reconstruction errors show better capacity of the feeding model to be generalised to the other set of articulations than the speech model. Our study suggests therefore that the tested hypothesis cannot be excluded on articulatory grounds for our two cases and brings a new methodology into the discussion of the ontogenetic and phylogenetic origins of speech.


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0095-4470
745-763
Serrurier, A.
f4955eaa-19d2-40cf-b0c6-60c75be3ecfc
Badin, P.
e05cd427-df37-4a64-b430-822e9b434b5f
Barney, A.
bc0ee7f7-517a-4154-ab7d-57270de3e815
Boe, L-J
775065e9-e2b0-4e3b-9714-247eebd4c580
Savarieux, C
0fa77fa1-f81a-4df4-8abd-5559105ce464
Serrurier, A.
f4955eaa-19d2-40cf-b0c6-60c75be3ecfc
Badin, P.
e05cd427-df37-4a64-b430-822e9b434b5f
Barney, A.
bc0ee7f7-517a-4154-ab7d-57270de3e815
Boe, L-J
775065e9-e2b0-4e3b-9714-247eebd4c580
Savarieux, C
0fa77fa1-f81a-4df4-8abd-5559105ce464

Serrurier, A., Badin, P., Barney, A., Boe, L-J and Savarieux, C (2012) The tongue in speech and feeding: comparative articulatory modelling Journal of Phonetics, 40, (6), pp. 745-763. (doi:10.1016/j.wocn.2012.08.001).

Record type: Article

Abstract

Two major functions of the human vocal tract are feeding and speaking. As, ontogenetically and phylogenetically, feeding tasks precede speaking tasks, it has been hypothesised that the skilled movements of the orofacial articulators specific to speech may have evolved from feeding functions. Our study explores this hypothesis by proposing an original methodological approach. Vocal tract articulatory measurements on two male subjects have been recorded for speech and feeding by electromagnetic articulography. Two guided Principal Component Analysis (PCA) articulatory models of the jaw/tongue system have been built for speech and feeding tasks. The two articulatory models show similar reconstruction accuracy. The speech and feeding articulations have been reconstructed respectively from feeding and speech raw PCA models. Root mean square reconstruction errors show better capacity of the feeding model to be generalised to the other set of articulations than the speech model. Our study suggests therefore that the tested hypothesis cannot be excluded on articulatory grounds for our two cases and brings a new methodology into the discussion of the ontogenetic and phylogenetic origins of speech.


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Published date: November 2012
Organisations: Signal Processing & Control Grp

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Local EPrints ID: 349024
URI: http://eprints.soton.ac.uk/id/eprint/349024
ISSN: 0095-4470
PURE UUID: 57580b70-364b-46b0-b89e-299b819b1897
ORCID for A. Barney: ORCID iD orcid.org/0000-0002-6034-1478

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Date deposited: 25 Feb 2013 10:39
Last modified: 18 Jul 2017 04:44

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Contributors

Author: A. Serrurier
Author: P. Badin
Author: A. Barney ORCID iD
Author: L-J Boe
Author: C Savarieux

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