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Neural Speech Decoding During Audition, Imagination and Production
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In: IEEE (2021)
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A multispeaker dataset of raw and reconstructed speech production real-time MRI video and 3D volumetric images ...
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Deblurring for Spiral Real-Time MRI Using Convolutional Neural Networks ...
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Vocal tract shaping of emotional speech
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In: Comput Speech Lang (2020)
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Data from: Speed-accuracy tradeoffs in human speech production ...
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Dynamic Off-resonance Correction for Spiral Real-Time MRI of Speech
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A technology prototype system for rating therapist empathy from audio recordings in addiction counseling
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Advances in real-time magnetic resonance imaging of the vocal tract for speech science and technology research
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"Rate My Therapist": Automated Detection of Empathy in Drug and Alcohol Counseling via Speech and Language Processing
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On Quantifying Facial Expression-Related Atypicality of Children with Autism Spectrum Disorder
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Directly data-derived articulatory gesture-like representations retain discriminatory information about phone categories
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Dynamic 3-D visualization of vocal tract shaping during speech
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Abstract:
Noninvasive imaging is widely used in speech research as a means to investigate the shaping and dynamics of the vocal tract during speech production. 3-D dynamic MRI would be a major advance, as it would provide 3-D dynamic visualization of the entire vocal tract. We present a novel method for the creation of 3-D dynamic movies of vocal tract shaping based on the acquisition of 2-D dynamic data from parallel slices and temporal alignment of the image sequences using audio information. Multiple sagittal 2-D real-time movies with synchronized audio recordings are acquired for English vowel-consonant-vowel stimuli /ala/, /ara/, /asa/, and /a∫a/. Audio data are aligned using mel-frequency cepstral coefficients (MFCC) extracted from windowed intervals of the speech signal. Sagittal image sequences acquired from all slices are then aligned using dynamic time warping (DTW). The aligned image sequences enable dynamic 3-D visualization by creating synthesized movies of the moving airway in the coronal planes, visualizing desired tissue surfaces and tube-shaped vocal tract airway after manual segmentation of targeted articulators and smoothing. The resulting volumes allow for dynamic 3-D visualization of salient aspects of lingual articulation, including the formation of tongue grooves and sublingual cavities, with a temporal resolution of 78 ms. ; 11 page(s)
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Keyword:
080100 Artificial Intelligence and Image Processing; Articulation; dynamic time warping; real-time magnetic resonance imaging (MRI); retrospective gating; speech production; vocal tract shaping
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URL: http://hdl.handle.net/1959.14/230894
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Analyzing the Language of Therapist Empathy in Motivational Interview based Psychotherapy
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