Using MRI to Image the Moving Vocal Tract during Speech
Using MRI to Image the Moving Vocal Tract during Speech
Magnetic Resonance Imaging(MRI) has been used to measure the shape of the vocal tract during speech in several recent studies. Its safety to the subject, high quality imaging of soft tissue, and the ability to select relatively thin imaging planes at any angle are significant advantages over other imaging methods used for speech research. The most significant disadvantage is the long exposure time. As a result most studies have focused on obtaining high-resolution images of the vocal tract volume for static sounds, such as vowels[1], fricatives[5,6], nasals, the closed phase of plosives[7] and liquids[3,7]. In this paper we will describe our method of obtaining MR images of a moving vocal tract in which we post-synchronize the MR data using a recorded speech signal and thus reconstruct the images without using the MR machine's built-in processing.
2027--2030
Mohammad, M.
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Moore, E.
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Carter, J.N.
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Shadle, C.H.
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Gunn, S.R.
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1997
Mohammad, M.
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Moore, E.
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Carter, J.N.
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Shadle, C.H.
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Gunn, S.R.
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Mohammad, M., Moore, E., Carter, J.N., Shadle, C.H. and Gunn, S.R.
(1997)
Using MRI to Image the Moving Vocal Tract during Speech.
Eurospeech '97.
.
Record type:
Conference or Workshop Item
(Other)
Abstract
Magnetic Resonance Imaging(MRI) has been used to measure the shape of the vocal tract during speech in several recent studies. Its safety to the subject, high quality imaging of soft tissue, and the ability to select relatively thin imaging planes at any angle are significant advantages over other imaging methods used for speech research. The most significant disadvantage is the long exposure time. As a result most studies have focused on obtaining high-resolution images of the vocal tract volume for static sounds, such as vowels[1], fricatives[5,6], nasals, the closed phase of plosives[7] and liquids[3,7]. In this paper we will describe our method of obtaining MR images of a moving vocal tract in which we post-synchronize the MR data using a recorded speech signal and thus reconstruct the images without using the MR machine's built-in processing.
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More information
Published date: 1997
Additional Information:
Address: Rhodes, Greece
Venue - Dates:
Eurospeech '97, 1997-01-01
Organisations:
Electronic & Software Systems, Southampton Wireless Group
Identifiers
Local EPrints ID: 250012
URI: http://eprints.soton.ac.uk/id/eprint/250012
PURE UUID: 966eb8f7-dc1e-437d-b0ce-480c11268a12
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Date deposited: 04 May 1999
Last modified: 10 Dec 2021 20:06
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Contributors
Author:
M. Mohammad
Author:
E. Moore
Author:
J.N. Carter
Author:
C.H. Shadle
Author:
S.R. Gunn
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