High‐resolution dynamic speech imaging with joint low‐rank and sparsity constraints

M Fu, B Zhao, C Carignan, RK Shosted… - Magnetic …, 2015 - Wiley Online Library
Purpose To enable dynamic speech imaging with high spatiotemporal resolution and full‐
vocal‐tract spatial coverage, leveraging recent advances in sparse sampling. Methods An …

3D dynamic MRI of the vocal tract during natural speech

Y Lim, Y Zhu, SG Lingala, D Byrd… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose To develop and evaluate a technique for 3D dynamic MRI of the full vocal tract at
high temporal resolution during natural speech. Methods We demonstrate 2.4× 2.4× 5.8 …

A multispeaker dataset of raw and reconstructed speech production real-time MRI video and 3D volumetric images

Y Lim, A Toutios, Y Bliesener, Y Tian, SG Lingala… - Scientific data, 2021 - nature.com
Real-time magnetic resonance imaging (RT-MRI) of human speech production is enabling
significant advances in speech science, linguistics, bio-inspired speech technology …

[PDF][PDF] A multimodal real-time MRI articulatory corpus for speech research

S Narayanan, E Bresch, PK Ghosh… - … Annual Conference of …, 2011 - sail.usc.edu
We present MRI-TIMIT: a large-scale database of synchronized audio and real-time
magnetic resonance imaging (rtMRI) data for speech research. The database currently …

Automatic segmentation of speech articulators from real-time midsagittal MRI based on supervised learning

M Labrunie, P Badin, D Voit, AA Joseph, J Frahm… - Speech …, 2018 - Elsevier
Speech production mechanisms can be characterized at a peripheral level by both their
acoustic and articulatory traces along time. Researchers have thus developed very large …

Articulatory characterization of English liquid-final rimes

M Proctor, R Walker, C Smith, T Szalay, L Goldstein… - Journal of …, 2019 - Elsevier
Articulation of liquid consonants in onsets and codas by four speakers of General American
English was examined using real-time MRI. Midsagittal tongue posture was compared for …

Dynamic off‐resonance correction for spiral real‐time MRI of speech

Y Lim, SG Lingala, SS Narayanan… - Magnetic resonance in …, 2019 - Wiley Online Library
Purpose To improve the depiction and tracking of vocal tract articulators in spiral real‐time
MRI (RT‐MRI) of speech production by estimating and correcting for dynamic changes in off …

Explaining coronal reduction: Prosodic structure and articulatory posture

B Parrell, S Narayanan - Phonetica, 2018 - degruyter.com
Consonant reduction is often treated as an allophonic process at the phonological planning
level, with one production target (allophone) being substituted for another. We propose that …

Characterizing articulation in apraxic speech using real-time magnetic resonance imaging

C Hagedorn, M Proctor, L Goldstein, SM Wilson… - Journal of Speech …, 2017 - ASHA
Purpose Real-time magnetic resonance imaging (MRI) and accompanying analytical
methods are shown to capture and quantify salient aspects of apraxic speech, substantiating …

[PDF][PDF] Vocal tract cross-distance estimation from real-time MRI using region-of-interest analysis.

AC Lammert, V Ramanarayanan, MI Proctor… - Interspeech, 2013 - sail.usc.edu
Abstract Real-Time Magnetic Resonance Imaging affords speech articulation data with good
spatial and temporal resolution and complete midsagittal views of the moving vocal tract, but …