publications
journal articles
- Benjamin van der Woerd, Zhuohao Chen, Nikolaos Flemotomos, Maria Oljaca, Lauren Timmons Sund, Shrikanth Narayanan, Michael M. Johns, "A Machine-Learning Algorithm for the Automated Perceptual Evaluation of Dysphonia Severity", Journal of Voice, 2023.
journal articles
- Christina Hagedorn, Yijing Lu, Asterios Toutios, Uttam Sinha, Louis Goldstein, Shrikanth S Narayanan, "Variation in compensatory strategies as a function of target constriction degree in post-glossectomy speech", JASA Express Letters, vol. 2, no. 4, pp. 045205, 2022.
- Digbalay Bose, Krishna Somandepalli, Tymon Tai, Courtney Voelker, Shrikanth Narayanan, Amit Kochhar, "Automatic Analysis of Asymmetry in Facial Paralysis Patients Using Landmark-Based Measures", Facial Plastic Surgery & Aesthetic Medicine, vol. 0, no. 0, pp. null, 2022.
journal articles
- Elisabeth Lynn, Shrikanth S. Narayanan, Adam C. Lammert, "Dark tone quality and vocal tract shaping in soprano song production: Insights from real-time MRI", JASA Express Letters, vol. 1, no. 7, pp. 075202, 2021.
- Yongwan Lim, Asterios Toutios, Yannick Bliesener, Ye Tian, Sajan Goud Lingala, Colin Vaz, Tanner Sorensen, Miran Oh, Sarah Harper, Weiyi Chen, Yoonjeong Lee, Johannes Toger, Mairym Llorens Montesserin, Caitlin Smith, Bianca Godinez, Louis Goldstein, Dani Byrd, Krishna S. Nayak, Shrikanth S. Narayanan, "A multispeaker dataset of raw and reconstructed speech production real-time MRI video and 3D volumetric images", Scientific Data (Nature Research Group), vol. 8, no. 187, 2021.
- Christina Hagedorn, Jangwon Kim, Uttam Sinha, Louis Goldstein, Shrikanth S Narayanan, "Complexity of vocal tract shaping in glossectomy patients and typical speakers: A principal component analysis", The Journal of the Acoustical Society of America, vol. 149, no. 6, pp. 4437-4449, 2021.
- Ziwei Zhao, Yongwan Lim, Dani Byrd, Shrikanth Narayanan, Krishna S. Nayak, "Improved 3D real-time MRI of speech production", Magnetic Resonance in Medicine, vol. 0, no. 0, pp. 1-14, 2021.
- Ye Tian, Yongwan Lim, Ziwei Zhao, Dani Byrd, Shrikanth Narayanan, Krishna S. Nayak, "Aliasing Artifact Reduction in Spiral Real-Time MRI", Magnetic Resonance in Medicine, 2021.
papers in conference proceedings
- Miran Oh, Dani Byrd, Shrikanth S. Narayanan, "Leveraging Real-Time MRI for Illuminating Linguistic Velum Action", Proc. Interspeech 2021, pp. 3964-3968, 2021.
journal articles
- Weiyi Chen, Nam Gyun Lee, Dani Byrd, Shrikanth Narayanan, Krishna S. Nayak, "Improved real-time tagged MRI using REALTAG", Magnetic Resonance in Medicine, vol. 82, pp. 838-846, 2020.
- Sarah Harper, Louis Goldstein, Shrikanth Narayanan, "Variability in individual constriction contributions to third formant values in American English /ɹ/", J. Acoust. Soc. Am., vol. 147, no. 6, pp. 3905-3916, 2020.
- Asterios Toutios, Melissa Xu, Dani Byrd, Louis Goldstein, Shrikanth Narayanan, "How an aglossic speaker produces an alveolar-like percept without a functional tongue tip", The Journal of the Acoustical Society of America, vol. 147, no. 6, pp. EL460-EL464, 2020.
- Krishna S. Nayak, Yongwan Lim, Adrienne E. Campbell-Washburn, Jennifer Steeden, "Real-time magnetic resonance imaging", Journal of Magnetic Resonance Imaging, 2020. (Early view)
- Jangwon Kim, Asterios Toutios, Sungbok Lee, Shrikanth S. Narayanan, "Vocal tract shaping of emotional speech", Computer Speech & Language, vol. 64, pp. 101100, 2020.
book chapters
- Michael Proctor, Yinghua Zhu, Adam Lammert, Asterios Toutios, Bonny Sands, Shrikanth Narayanan, "Studying Clicks Using Real-Time MRI", Click Consonants (Bonny Sands, ed.), Brill, Leiden, The Netherlands, pp. 210 - 240, 2020.
papers in conference proceedings
- Ashwin Hebbar, Rahul Sharma, Krishna Somandepalli, Asterios Toutios, Shrikanth S. Narayanan, "Vocal tract articulatory contour detection in real-time magnetic resonance images using spatio-temporal context", IEEE International Conference on Audio, Speech and Signal Processing (ICASSP), Barcelona, Spain, 2020.
posters and abstracts
- Melissa Xu, Asterios Toutios, Tanner Sorensen, Shrikanth Narayanan, "Using real-time MRI to assess the development of jaw contribution in constriction formation synergies during early adolescence", International Seminar on Speech Production (ISSP), Providence, RI, 2020.
- Asterios Toutios, Shrikanth Narayanan, "Simulating anticipatory coarticulation in VCV utterances with a gestural articulatory synthesizer", International Seminar on Speech Production (ISSP), Providence, RI, 2020.
journal articles
- Rachel Alexander, Tanner Sorensen, Asterios Toutios, Shrikanth Narayanan, "A modular architecture for articulatory synthesis from gestural specification", The Journal of the Acoustical Society of America, vol. 146, no. 6, pp. 4458-4471, 2019.
- Yongwan Lim, Yinghua Zhu, Sajan Goud Lingala, Dani Byrd, Shrikanth Narayanan, Krishna Shrinivas Nayak, "3D dynamic MRI of the vocal tract during natural speech", Magnetic Resonance in Medicine, vol. 81, no. 3, pp. 1511-1520, 2019.
- Tanner Sorensen, Asterios Toutios, Louis Goldstein, Shrikanth Narayanan, "Task-dependence of articulator synergies", The Journal of the Acoustical Society of America, vol. 145, no. 3, pp. 1504-1520, 2019.
- Yongwan Lim, Sajan Goud Lingala, Shrikanth S. Narayanan, Krishna S. Nayak, "Dynamic off‐resonance correction for spiral real‐time MRI of speech", Magnetic Resonance in Medicine, Wiley Online Library, vol. 81, no. 1, pp. 234-246, 2019.
- Rachel Walker, Michael Proctor, "The organisation and structure of rhotics in American English rhymes", Phonology, Cambridge University Press, vol. 36, no. 3, pp. 457–495, 2019.
- Michael Proctor, Rachel Walker, Caitlin Smith, Tünde Szalay, Louis Goldstein, Shrikanth Narayanan, "Articulatory characterization of English liquid-final rimes", Journal of Phonetics, vol. 77, pp. 100921, 2019.
- Krishna S. Nayak, "Response to Letter to the Editor: “Nomenclature for real-time magnetic resonance imaging”", Magnetic Resonance in Medicine, vol. 82, no. 2, pp. 525-526, 2019.
- Christina Hagedorn, Tanner Sorensen, Adam Lammert, Asterios Toutios, Louis Goldstein, Dani Byrd, Shrikanth Narayanan, "Engingeering innovation in speech science: data and technologies", Perspectives of the ASHA Special Interest Groups, pp. 1-10, 2019.
- Louis Goldstein, "The Role of Temporal Modulation in Sensorimotor Interaction", Frontiers in Psychology, vol. 10, pp. 2608, 2019.
- Weiyi Chen, Dani Byrd, Shrikanth Narayanan, Krishna S. Nayak, "Intermittently tagged real-time MRI reveals internal tongue motion during speech production", Magnetic Resonance in Medicine, vol. 82, no. 2, pp. 600-613, 2019.
book chapters
- Asterios Toutios, Dani Byrd, Louis Goldstein, Shrikanth Narayanan, "Advances in vocal tract imaging and analysis.", The Routledge Handbook of Phonetics (William Katz, Peter Assmann, eds.), Routledge, London and New York, 2019.
papers in conference proceedings
- Sajan Goud Lingala, Yongwan Lim, Stanley Kruger, Krishna Nayak, "Improved spiral dynamic MRI of vocal tract shaping at 3 Tesla using dynamic off resonance artifact correction", International Society for Magnetic Resonance in Medicine (ISMRM) 27th Scientific Sessions, Montreal, Canada, pp. 441, 2019.
- Yongwan Lim, Yannick Bliesener, Shrikanth Narayanan, Krishna Nayak, "Calibrationless deblurring of spiral RT-MRI of speech production using Convolutional Neural Networks", International Society for Magnetic Resonance in Medicine (ISMRM) 27th Scientific Sessions, Montreal, Canada, pp. 673, 2019.
- Weiyi Chen, Dani Byrd, Shrikanth Narayanan, Krishna Nayak, "Intermittently tagged real-time MRI reveals internal tongue motion during speech production", International Society for Magnetic Resonance in Medicine (ISMRM) 27th Scientific Sessions, Montreal, Canada, pp. 940, 2019.
- Sagar Sudhakara, Yongwan Lim, Weiyi Chen, Shrikanth Narayanan, Krishna Nayak, "Low-latency reconstruction for real-time speech MRI", International Society for Magnetic Resonance in Medicine (ISMRM) 27th Scientific Sessions, Montreal, Canada, pp. 2403, 2019.
posters and abstracts
- Asterios Toutios, Reed Blaylock, Louis Goldstein, Shrikanth S. Narayanan, "Toward cross-speaker articulatory modeling", The Journal of the Acoustical Society of America, vol. 146, no. 4, pp. 3085-3085, 2019.
- Bianca P. Godinez, Asterios Toutios, Shrikanth S. Narayanan, "A real-time magnetic resonance imaging study of cross-speaker variability in the production of /ɹ/", The Journal of the Acoustical Society of America, vol. 146, no. 4, pp. 3083-3083, 2019.
- Miran Oh, Dani Byrd, "Oral-velum actions in the articulation of nasal juncture geminates and singletons", vol. 146, no. 4, pp. 3011-3011, 2019.
- Miran Oh, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Vertical larynx actions and larynx-oral timing in ejectives and implosives", 3rd Phonetics and Phonology in Europe, Lecce, Italy, 2019.
- Miran Oh, Dani Byrd, "Focus-induced articulatory prominence on velum actions in nasal geminates", Workshop on Prominence between Cognitive Functions and Linguistic Structures, Bari, Italy, 2019.
journal articles
- Adam C. Lammert, Christine H. Shadle, Shrikanth S. Narayanan, Thomas F. Quatieri, "Speed-accuracy tradeoffs in human speech production", PLOS ONE, Public Library of Science, vol. 13, no. 9, pp. 1-25, 2018.
- Colin Vaz, Vikram Ramanarayanan, Shrikanth Narayanan, "Acoustic Denoising Using Dictionary Learning With Spectral and Temporal Regularization", IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 26, no. 5, pp. 967-980, 2018.
- Vikram Ramanarayanan, Sam Tilsen, Michael Proctor, Johannes Töger, Louis Goldstein, Krishna S. Nayak, Shrikanth Narayanan, "Analysis of speech production real-time MRI", Computer Speech & Language, vol. 52, pp. 1 - 22, 2018.
- Benjamin Parrell, Shrikanth Narayanan, "Explaining coronal reduction: Prosodic structure and articulatory posture", Phonetica, vol. 75, no. 2, pp. 151-181, 2018.
- Miran Oh, Yoonjeong Lee, "ACT: An Automatic Centroid Tracking tool for analyzing vocal tract actions in real-time magnetic resonance imaging speech production data", The Journal of the Acoustical Society of America, vol. 144, no. 4, pp. EL290-EL296, 2018.
- Sarah Harper, Sungbok Lee, Louis Goldstein, Dani Byrd, "Simultaneous electromagnetic articulography and electroglottography data acquisition of natural speech", The Journal of the Acoustical Society of America, vol. 144, no. 5, pp. EL380-EL385, 2018.
papers in conference proceedings
- Yongwan Lim, Yinghua Zhu, Sajan Goud Lingala, Dani Byrd, Shrikanth S. Narayanan, Krishna S. Nayak, "3D real-time MRI of vocal tract shaping", International Society for Magnetic Resonance in Medicine (ISMRM) 26th Scientific Sessions, Paris, France, pp. 3541, 2018.
- Weiyi Chen, Yongwan Lim, Yannick Bliesener, Shrikanth S. Nrayanan, Krishna S. Nayak, "Comparison of leading reconstruction techniques for real-time speech MRI", International Society for Magnetic Resonance in Medicine (ISMRM) 26th Scientific Sessions, Paris, France, pp. 3516, 2018.
posters and abstracts
- Tanner Sorensen, Alison Yu, Asterios Toutios, Brenda Villegas, Melody Ouyoung, Shrikanth Narayanan, Uttam Sinha, "Feasibility of real-time magnetic resonance imaging of true vocal fold paralysis", Poster presentation at the American Academy of Otolaryngology—Head and Neck Surgery Foundation Annual Meeting and OTO Experience, Atlanta, GA, 2018.
- Miran Oh, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Enriching the understanding of glottalic consonant production: Vertical larynx movement in Hausa ejectives and implosives", vol. 144, no. 3, pp. 1940-1941, 2018.
- Yoonjeong Lee, Louis Goldstein, "The role of vertical larynx movement in the tense-lax contrast of Seoul Korean stops across phrasal position", vol. 144, no. 3, pp. 1902-1902, 2018.
- Sarah Harper, Louis Goldstein, Shrikanth S. Narayanan, "Quantifying labial, palatal and pharyngeal contributions to rhotic F3 lowering", 16th Conference on Laboratory Phonology, Lisbon, Portugal, 2018.
- Timothy Greer, Reed Blaylock, Nimisha Patil, Shrikanth S. Narayanan, "How beatboxers produce percussion sounds: A real-time magnetic resonance imaging investigation", The Journal of the Acoustical Society of America, vol. 144, no. 3, pp. 1827-1827, 2018.
journal articles
- Johannes Töger, Tanner Sorensen, Krishna Somandepalli, Asterios Toutios, Sajan Goud Lingala, Shrikanth Narayanan, Krishna Nayak, "Test–retest repeatability of human speech biomarkers from static and real-time dynamic magnetic resonance imaging", The Journal of the Acoustical Society of America, vol. 141, no. 5, pp. 3323-3336, 2017.
- Betty McMicken, Frederico Salles, Shelley Von Berg, Margaret Vento-Wilson, Kelly Rogers, Asterios Toutios, Shrikanth S. Narayanan, "Bilabial substitution patterns during consonant production in a case of congenital aglossia", Journal of Communication Disorders, Deaf Studies & Hearing Aids, vol. 5, no. 2, pp. 1-6, 2017.
- Sajan Goud Lingala, Yinghua Zhu, Yongwan Lim, Asterios Toutios, Yunhua Ji, Wei-Ching Lo, Nicole Seiberlich, Shrikanth Narayanan, Krishna S. Nayak, "Feasibility of through-time spiral generalized autocalibrating partial parallel acquisition for low latency accelerated real-time MRI of speech", Magnetic Resonance in Medicine, vol. 78, no. 6, pp. 2275-2282, 2017.
- Christina Hagedorn, Michael Proctor, Louis Goldstein, Stephen M. Wilson, Bruce Miller, Maria Luisa Gorno-Tempini, Shrikanth S. Narayanan, "Characterizing articulation in apraxic speech using real-time magnetic resonance imaging", Journal of Speech, Language, and Hearing Research, vol. 60, no. 4, pp. 877-891, 2017.
- Sajan Goud Lingala, Yinghua Zhu, Yoon-Chul Kim, Asterios Toutios, Shrikanth Narayanan, Krishna S. Nayak, "A fast and flexible MRI system for the study of dynamic vocal tract shaping", Magnetic Resonance in Medicine, vol. 77, no. 1, pp. 112-125, 2017.
papers in conference proceedings
- Nimisha Patil, Timothy Greer, Reed Blaylock, Shrikanth S. Narayanan, "Comparison of basic beatboxing articulations between expert and novice artists using real-time magnetic resonance imaging", Interspeech, Stockholm, Sweden, 2017. (This publication has an associated webpage).
- Reed Blaylock, Nimisha Patil, Timothy Greer, Shrikanth S. Narayanan, "Sounds of the human vocal tract", Interspeech, Stockholm, Sweden, 2017. (This publication has an associated webpage).
- Rachel Alexander, Tanner Sorensen, Asterios Toutios, Shrikanth S. Narayanan, "VCV synthesis using Task Dynamics to animate a factor-based articulatory model", Interspeech, Stockholm, Sweden, 2017.
- Krishna Somandepalli, Asterios Toutios, Shrikanth S. Narayanan, "Semantic edge detection for tracking vocal tract air-tissue boundaries in real-time magnetic resonance images", Interspeech, Stockholm, Sweden, 2017.
- Tanner Sorensen, Zisis Skordilis, Asterios Toutios, Yoon-Chul Kim, Yinghua Zhu, Jangwon Kim, Adam Lammert, Vikram Ramanarayanan, Louis Goldstein, Dani Byrd, Krishna Nayak, Shrikanth S. Narayanan, "Database of volumetric and real-time vocal tract MRI for speech science", Interspeech, Stockholm, Sweden, 2017.
- Tanner Sorensen, Asterios Toutios, Johannes Töger, Louis Goldstein, Shrikanth S. Narayanan, "Test-retest repeatability of articulatory strategies using real-time magnetic resonance imaging", Interspeech, Stockholm, Sweden, 2017.
- Jieshen Chen, Sajan Goud Lingala, Yongwan Lim, Asterios Toutios, Shrikanth Narayanan, Krishna Nayak, "Task-based optimization of regularization in highly accelerated speech RT-MRI", International Society for Magnetic Resonance in Medicine (ISMRM) 25th Scientific Sessions, Honolulu, HI, 2017.
- Yongwan Lim, Sajan Goud Lingala, Shrikanth Narayanan, Krishna Nayak, "Correction of dynamic off-resonance in spiral 2D real-time MRI of speech", International Society for Magnetic Resonance in Medicine (ISMRM) 25th Scientific Sessions, Honolulu, HI, 2017.
- Johannes Töger, Tanner Sorensen, Krishna Somandepalli, Asterios Toutios, Sajan Goud Lingala, Shrikanth Narayanan, Krishna Nayak, "Test–retest repeatability of human speech biomarkers from static and real-time dynamic magnetic resonance imaging", International Society for Magnetic Resonance in Medicine (ISMRM) 25th Scientific Sessions, Honolulu, HI, 2017.
- Zisis Skordilis, Asterios Toutios, Johannes Töger, Shrikanth S. Narayanan, "Estimation of vocal tract area function from volumetric magnetic resonance imaging", IEEE International Conference on Audio, Speech and Signal Processing (ICASSP), New Orleans, LA, 2017.
posters and abstracts
- Tanner Sorensen, Asterios Toutios, Louis Goldstein, Shrikanth Narayanan, "Decomposing vocal tract constrictions into articulator contributions using real-time magnetic resonance imaging", Speech Motor Control, Groningen, The Netherlands, pp. 19, 2017.
- Asterios Toutios, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Articulatory compensation strategies employed by an aglossic speaker", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2639-2639, 2017.
- Tanner Sorensen, Asterios Toutios, Louis Goldstein, Shrikanth S. Narayanan, "Tracking developmental changes in articulatory strategy during childhood", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2584-2584, 2017.
- Maury Lander-Portnoy, Louis Goldstein, Shrikanth S. Narayanan, "Using real time magnetic resonance imaging to measure changes in articulatory behavior due to partial glossectomy", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2641-2642, 2017.
- Nimisha Patil, Timothy Greer, Reed Blaylock, Shrikanth S. Narayanan, "Comparison of basic beatboxing articulations using real-time magnetic resonance imaging", Workshop for Young Female Researchers in Speech Science & Technology, Stockholm, Sweden, 2017.
- Miran Oh, Asterios Toutios, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Tracking larynx movement in real-time MRI data", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2579-2579, 2017.
- Mairym Llorens, Dani Byrd, Nancy Vazquez, Louis Goldstein, Tanner Sorensen, Asterios Toutios, Shrikanth S. Narayanan, "Indexing tongue profile narrowing for English lateral consonants using 3D volumetric MR imaging", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2581-2581, 2017.
- Sarah Harper, Sungbok Lee, Dani Byrd, Louis Goldstein, "On simultaneous electromagnetic articulography and electroglottography data acquisition", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2582-2582, 2017.
- Sarah Harper, Louis Goldstein, Shrikanth S. Narayanan, "Quantifying labial, palatal, and pharyngeal contributions to third formant lowering in American English /ɹ/", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2582-2582, 2017.
- Reed Blaylock, Shrikanth S. Narayanan, "Novel imaging tools for supporting the teaching of singing and spoken performance", The Journal of the Acoustical Society of America, vol. 142, no. 4, pp. 2585-2585, 2017.
- Rachel Alexander, Tanner Sorensen, Asterios Toutios, Shrikanth S. Narayanan, "VCV synthesis using Task Dynamics to animate a factor-based articulatory model", Workshop for Young Female Researchers in Speech Science & Technology, Stockholm, Sweden, 2017.
journal articles
- Asterios Toutios, Shrikanth Narayanan, "Advances in real-time magnetic resonance imaging of the vocal tract for speech science and technology research", APSIPA Transactions on Signal and Information Processing, vol. 5, pp. e6, 2016.
- Sajan Goud Lingala, Brad P. Sutton, Marc E. Miquel, Krishna S. Nayak, "Recommendations for real-time speech MRI", Journal of Magnetic Resonance Imaging, vol. 43, no. 1, pp. 28-44, 2016.
- Ming Li, Jangwon Kim, Adam Lammert, Prasanta Kumar Ghosh, Vikram Ramanarayanan, Shrikanth Narayanan, "Speaker verification based on the fusion of speech acoustics and inverted articulatory signals", Computer Speech & Language, vol. 36, pp. 196–211, 2016.
book chapters
- Michael Proctor, Yinghua Zhu, Adam Lammert, Asterios Toutios, Bonny Sands, Ulrich Hummel, Shrikanth Narayanan, "Click consonant production in Khoekhoe: a real-time MRI study", Khoisan Languages and Linguistics. Proc. 5th Intl. Symposium, July 13-17, 2014, Riezlern/Kleinwalsertal (Sheena Shah, Matthias Brenzinger, eds.), Rüdiger Köppe, Cologne, pp. 337-366, 2016.
papers in conference proceedings
- Yongwan Lim, Sajan Goud Lingala, Asterios Toutios, Shrikanth Narayanan, Krishna Nayak, "Improved depiction of tissue boundaries in vocal tract real-time MRI using automatic off-resonance correction", Interspeech, San Francisco, CA, 2016.
- Asterios Toutios, Tanner Sorensen, Krishna Somandepalli, Rachel Alexander, Shrikanth Narayanan, "Articulatory synthesis based on real-time magnetic resonance imaging data", Interspeech, San Francisco, CA, 2016.
- Asterios Toutios, Sajan Goud Lingala, Colin Vaz, Jangwon Kim, John Esling, Patricia Keating, Matthew Gordon, Dani Byrd, Louis Goldstein, Krishna Nayak, Shrikanth Narayanan, "Illustrating the production of the International Phonetic Alphabet sounds using fast real-time magnetic resonance imaging", Interspeech, San Francisco, CA, 2016. (This publication has an associated webpage).
- Colin Vaz, Asterios Toutios, Shrikanth Narayanan, "Convex hull convolutive non-negative matrix factorization for uncovering temporal patterns in multivariate time-series data", Interspeech, San Francisco, CA, 2016.
- Sajan Goud Lingala, Asterios Toutios, Johannes Töger, Yongwan Lim, Yinghua Zhu, Yoon-Chul Kim, Colin Vaz, Shrikanth Narayanan, Krishna Nayak, "State-of-the-art MRI protocol for comprehensive assessment of vocal tract structure and function", Interspeech, San Francisco, CA, 2016.
- Tanner Sorensen, Asterios Toutios, Louis Goldstein, Shrikanth Narayanan, "Characterizing vocal tract dynamics across speakers using real-time MRI", Interspeech, San Francisco, CA, 2016. Best Student Paper Award.
- Mairym LLoréns Monteserín, Shrikanth Narayanan, Louis Goldstein, "Perceptual lateralization of coda rhotic production in Puerto Rican Spanish", Interspeech, San Francisco, CA, 2016.
- Reed Blaylock, Louis Goldstein, Shrikanth Narayanan, "Velum control for oral sounds", Interspeech, San Francisco, CA, 2016.
- Sarah Harper, Louis Goldstein, Shrikanth Narayanan, "L2 acquisition and production of the English rhotic pharyngeal gesture", Interspeech, San Francisco, CA, 2016.
- Johannes Töger, Yongwan Lim, Sajan Goud Lingala, Shrikanth Narayanan, Krishna Nayak, "Sensitivity of quantitative RT-MRI metrics of vocal tract dynamics to image reconstruction settings", Interspeech, San Francisco, CA, 2016.
- Sajan Goud Lingala, Yinghua Zhu, Yunhua Ji, Asterios Toutios, Wei-Ching Lo, Nicole Seiberlich, Shrikanth S. Narayanan, Krishna S. Nayak, "Accelerating real-time MRI of speech using spiral through-time GRAPPA", International Society for Magnetic Resonance in Medicine (ISMRM) 24th Scientific Sessions, Singapore, 2016.
posters and abstracts
- Rachel Alexander, Asterios Toutios, Shrikanth Narayanan, "Articulatory speech synthesis from vocal-tract MRI data", Workshop for Young Female Researchers in Speech Science & Technology, San Francisco, CA, 2016.
- Tanner Sorensen, Asterios Toutios, Louis Goldstein, Shrikanth S. Narayanan, "Characterizing vocal tract dynamics with real-time MRI", 15th Conference on Laboratory Phonology, Ithaca, NY, 2016.
- Rachel Walker, Michael Proctor, Caitlin Smith, Ewald Enzinger, "Asymmetries in English Liquid Production and Vowel Interactions", 15th Conference on Laboratory Phonology, Ithaca, NY, 2016.
journal articles
- Adam C. Lammert, Shrikanth S. Narayanan, "On short-time estimation of vocal tract length from formant frequencies", PLoS ONE, vol. 10, no. 7, pp. e0132193, 2015.
- Sajan Goud Lingala, Yinghua Zhu, Yoon-Chul Kim, Asterios Toutios, Shrikanth S. Narayanan, Krishna S. Nayak, "Towards High Frame Rate Real-Time Magnetic Resonance Imaging of Speech Production", SPIE Newsroom, 2015.
- Adam Lammert, Louis Goldstein, Vikram Ramanarayanan, Shrikanth S. Narayanan, "Gestural control in the English past-tense suffix: an articulatory study using real-time MRI", Phonetica, vol. 71, no. 4, pp. 229-248, 2015.
- Jangwon Kim, Asterios Toutios, Sungbok Lee, Shrikanth S. Narayanan, "A kinematic study of critical and non-critical articulators in emotional speech production", The Journal of the Acoustical Society of America, vol. 137, no. 3, pp. 1411-1429, 2015.
- Vikram Ramanarayanan, Maarten Van Segbroeck, Shrikanth S. Narayanan, "Directly data-derived articulatory gesture-like representations retain discriminatory information about phone categories", Computer, Speech, and Language, 2015.
- Jangwon Kim, Naveen Kumar, Andreas Tsiartas, Ming Li, Shrikanth S. Narayanan, "Automatic intelligibility classification of sentence-level pathological speech", Computer Speech & Language, vol. 29, no. 1, pp. 132 - 144, 2015.
papers in conference proceedings
- Zisis Iason Skordilis, Vikram Ramanarayanan, Louis Goldstein, Shrikanth S. Narayanan, "Experimental assessment of the tongue incompressibility hypothesis during speech production", Proceedings of Interspeech, Dresden, Germany, 2015.
- Asterios Toutios, Shrikanth S. Narayanan, "Factor analysis of vocal-tract outlines derived from real-time magnetic resonance imaging data", Proceedings of International Congress of Phonetic Sciences (ICPhS 2015), Glasgow, UK, 2015.
- Yoonjeong Lee, Louis Goldstein, Shrikanth S. Narayanan, "Systematic variation in the articulation of the Korean liquid across prosodic positions", Proceedings of International Congress of Phonetic Sciences (ICPhS 2015), Glasgow, UK, 2015.
- Michael I. Proctor, Chi Yhun Lo, Shrikanth S. Narayanan, "Articulation of English vowels in running speech: a real-time MRI study", Proceedings of International Congress of Phonetic Sciences (ICPhS 2015), Glasgow, UK, 2015.
- Alexsandro Meireles, Louis Goldstein, Reed Blaylock, Shrikanth S. Narayanan, "Gestural coordination of Brazilian Portuguese nasal vowels in CV syllables: a real-time MRI study", Proceedings of International Congress of Phonetic Sciences (ICPhS 2015), Glasgow, UK, 2015.
- Fang-Ying Hsieh, Louis Goldstein, "Temporal organization of off-glides in American English", Proceedings of International Congress of Phonetic Sciences (ICPhS 2015), Glasgow, UK, 2015.
journal articles
- Sungbok Lee, Alexandros Potamianos, Shrikanth Narayanan, "Developmental acoustic study of American English diphthongs", The Journal of the Acoustical Society of America, vol. 136, no. 4, pp. 1880-1894, 2014.
- Shrikanth Narayanan, Asterios Toutios, Vikram Ramanarayanan, Adam Lammert, Jangwon Kim, Sungbok Lee, Krishna Nayak, Yoon-Chul Kim, Yinghua Zhu, Louis Goldstein, Dani Byrd, Erik Bresch, Prasanta Ghosh, Athanasios Katsamanis, Michael Proctor, "Real-time magnetic resonance imaging and electromagnetic articulography database for speech production research (TC)", The Journal of the Acoustical Society of America, vol. 136, no. 3, pp. 1307-1311, 2014. (This publication has an associated webpage).
- Vikram Ramanarayanan, Adam Lammert, Louis Goldstein, Shrikanth Narayanan, "Are articulatory settings mechanically advantageous for speech motor control?", PLoS ONE, Public Library of Science, vol. 9, no. 8, pp. e104168, 2014.
- Jangwon Kim, Adam Lammert, Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Co-registration of speech production datasets from electromagnetic articulography and real-time magnetic resonance imaging", Journal of the Acoustical Society of America Express Letters, vol. 135, no. 2, pp. EL115-EL121, 2014.
papers in conference proceedings
- Michael Proctor, Yinghua Zhu, Adam Lammert, Asterios Toutios, Bonny Sands, Shrikanth Narayanan, "Articulatory coordination in Nama click consonants", 15th Australasian International Conference on Speech Science and Technology, Christchurch, New Zealand, 2014.
- Jangwon Kim, Donna Erickson, Sungbok Lee, Shrikanth Narayanan, "A study of invariant properties and variation patterns in the converter/distributor model for emotional speech", Interspeech, Singapore, 2014.
- Jangwon Kim, Sungbok Lee, Shrikanth Narayanan, "Estimation of the movement trajectories of non-crucial articulators based on the detection of crucial moments and physiological constraints", Interspeech, Singapore, 2014.
- Abhay Prasad, Prasanta Kumar Ghosh, Shrikanth Narayanan, "Selection of optimal vocal tract regions using real-time magnetic resonance imaging for robust voice activity detection", Interspeech, Singapore, 2014.
- Vikram Ramanarayanan, Louis Goldstein, Shrikanth Narayanan, "Motor control primitives arising from a learned dynamical systems model of speech articulation", Interspeech, Singapore, 2014.
- Andres Benitez, Vikram Ramanarayanan, Louis Goldstein, Shrikanth Narayanan, "A real-time MRI study of articulatory setting in second language speech", Interspeech, Singapore, 2014.
- Naveen Kumar, Shrikanth Narayanan, "Hull detection based on largest empty sector angle with application to analysis of real time MR images", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Florence, Italy, 2014.
- Sajan Goud Lingala, Yinghua Zhu, Yoon-Chul Kim, Asterios Toutios, Shrikanth S. Narayanan, Krishna S. Nayak, "High spatio-temporal resolution multi-slice real time MRI of speech using golden angle spiral imaging with constrained reconstruction, parallel imaging, and a novel upper airway coil", International Society for Magnetic Resonance in Medicine (ISMRM) 20th Scientific Sessions, Toronto, Canada, pp. 1539, 2014. ISMRM Merit Awards: Magna Cum Laude
- Caitlin Smith, "Complex tongue shaping in lateral liquid production without constriction-based goals", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014.
- Vikram Ramanarayanan, Louis Goldstein, Shrikanth Narayanan, "Speech motor control primitives arising from a dynamical systems model of vocal tract articulation", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014. Best Student Paper (Northern Digital Inc. Excellence Award)
- Benjamin Parrell, Shrikanth S. Narayanan, "Interaction between general prosodic factors and language-specific articulatory patterns underlies divergent outcomes of coronal stop reduction", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014.
- Jangwon Kim, Naveen Kumar, Sungbok Lee, Shrikanth S. Narayanan, "Enhanced airway-tissue boundary segmentation for real-time magnetic resonance imaging data", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014. Best Student Paper (Northern Digital Inc. Excellence Award)
- Jangwon Kim, Asterios Toutios, Yoon-Chul Kim, Yinghua Zhu, Sungbok Lee, Shrikanth S. Narayanan, "USC-EMO-MRI corpus: An emotional speech production database recorded by real-time magnetic resonance imaging", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014.
- Christina Hagedorn, Adam Lammert, Mary Bassily, Yihe Zu, Uttam Sinha, Louis Goldstein, Shrikanth S. Narayanan, "Characterizing post-glossectomy speech using real-time MRI", International Seminar on Speech Production (ISSP), Cologne, Germany, 2014.
posters and abstracts
- Zisis Iason Skordilis, Vikram Ramanarayanan, Louis Goldstein, Shrikanth S. Narayanan, "Experimental evaluation of the constant tongue volume hypothesis", 168th Meeting of the Acoustical Society of America, Indianapolis, IN, 2014.
- Adam Lammert, Shrikanth S. Narayanan, "Development of a parametric basis for vocal tract area function representation from a large speech production database", 167th Meeting of the Acoustical Society of America, Providence, RI, 2014.
- Reed Blaylock, Adam Lammert, Louis Goldstein, Shrikanth S. Narayanan, "Gestural coordination of the velum in singing can be different from coordination in speech", 167th Meeting of the Acoustical Society of America, Providence, RI, 2014.
journal articles
- Adam Lammert, Michael I. Proctor, Shrikanth S. Narayanan, "Interspeaker variability in hard palate morphology and vowel production", Journal of Speech, Language, and Hearing Research, vol. 56, pp. S1924-S1933, 2013.
- Yihe Zu, Shrikanth S. Narayanan, Yoon-Chul Kim, Krishna S. Nayak, Christina Bronson-Lowe, Brenda Villegas, Melody Ouyoung, Uttam Sinha, "Evaluation of swallow function post tongue cancer treatment using real-time MRI: A pilot study", JAMA Otolaryngology - Head & Neck Surgery, vol. 139, no. 12, pp. 1312-1319, 2013.
- Vikram Ramanarayanan, Louis Goldstein, Shrikanth S. Narayanan, "Spatio-temporal articulatory movement primitives during speech production -- extraction, interpretation and validation", Journal of the Acoustical Society of America, vol. 134, no. 2, pp. 1378-1394, 2013.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "On smoothing articulatory trajectories obtained from Gaussian Mixture Model based acoustic-to-articulatory inversion", Journal of the Acoustical Society of America Express Letters, vol. 134, no. 2, pp. EL258-EL264, 2013.
- Vikram Ramanarayanan, Louis Goldstein, Dani Byrd, Shrikanth S. Narayanan, "An investigation of articulatory setting using real-time magnetic resonance imaging", Journal of the Acoustical Society of America, vol. 134, no. 1, pp. 510-519, 2013.
- Yinghua Zhu, Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna S. Nayak, "Dynamic 3D visualization of vocal tract shaping during speech", IEEE Transactions on Medical Imaging, vol. 32, no. 5, pp. 838-848, 2013.
- Adam Lammert, Michael I. Proctor, Shrikanth S. Narayanan, "Morphological variation in the adult hard palate and posterior pharyngeal wall", Journal of Speech, Language, and Hearing Research, vol. 56, pp. 521-530, 2013.
- Michael I. Proctor, Erik Bresch, Dani Byrd, Krishna S. Nayak, Shrikanth S. Narayanan, "Paralinguistic mechanisms of production in human 'beatboxing:' a real-time magnetic resonance imaging study", Journal of the Acoustical Society of America, vol. 133, no. 2, pp. 1043-1054, 2013. (This publication has an associated webpage).
- Adam Lammert, Louis Goldstein, Shrikanth S. Narayanan, Khalil Iskarous, "Statistical methods for estimation of direct and differential kinematics of the vocal tract", Speech Communication, vol. 55, pp. 147–161, 2013.
papers in conference proceedings
- Vikram Ramanarayanan, Maarten Van Segbroeck, Shrikanth S. Narayanan, "On the nature of data-driven primitive representations of speech articulation", ISCA Workshop on Speech Production in Automatic Speech Recognition (SPASR), Lyon, France, 2013.
- Yoon-Chul Kim, Jangwon Kim, Michael I. Proctor, Asterios Toutios, Krishna S. Nayak, Sungbok Lee, Shrikanth S. Narayanan, "Toward automatic vocal tract area function estimation from accelerated three-dimensional magnetic resonance imaging", ISCA Workshop on Speech Production in Automatic Speech Recognition (SPASR), Lyon, France, 2013.
- Ming Li, Adam Lammert, Jangwon Kim, Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Automatic classification of palatal and pharyngeal wall shape categories from speech acoustics and inverted articulatory signals", ISCA Workshop on Speech Production in Automatic Speech Recognition (SPASR), Lyon, France, 2013.
- Yinghua Zhu, Asterios Toutios, Shrikanth S. Narayanan, Krishna S. Nayak, "Faster 3D vocal tract real-time MRI using constrained reconstruction", Interspeech, Lyon, France, 2013.
- Zhaojun Yang, Vikram Ramanarayanan, Dani Byrd, Shrikanth S. Narayanan, "The effect of word frequency and lexical class on articulatory-acoustic coupling", Interspeech, Lyon, France, 2013.
- Michael I. Proctor, Louis Goldstein, Adam Lammert, Dani Byrd, Asterios Toutios, Shrikanth S. Narayanan, "Velic coordination in french nasals: a realtime magnetic resonance imaging study", Interspeech, Lyon, France, 2013.
- Vikram Ramanarayanan, Adam Lammert, Louis Goldstein, Shrikanth S. Narayanan, "Articulatory settings facilitate mechanically advantageous motor control of vocal tract articulators", Interspeech, Lyon, France, 2013.
- Colin Vaz, Vikram Ramanarayanan, Shrikanth S. Narayanan, "A two-step technique for MRI audio enhancement using dictionary learning and wavelet packet analysis", Interspeech, Lyon, France, 2013. Best Student Paper Award.
- Caitlin Smith, Michael I. Proctor, Khalil Iskarous, Louis Goldstein, Shrikanth S. Narayanan, "Stable articulatory tasks and their variable formation: Tamil retroflex consonants", Interspeech, Lyon, France, 2013.
- Fang-Ying Hsieh, Louis Goldstein, Dani Byrd, Shrikanth S. Narayanan, "Truncation of pharyngeal gesture in English diphthong [aI]", Interspeech, Lyon, France, 2013.
- Adam Lammert, Vikram Ramanarayanan, Michael I. Proctor, Shrikanth S. Narayanan, "Vocal tract cross-distance estimation from real-time MRI using region-of-interest analysis", Interspeech, Lyon, France, 2013.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Information theoretic acoustic feature selection for acoustic-to-articulatory inversion", Interspeech, Lyon, France, 2013.
- Asterios Toutios, Shrikanth S. Narayanan, "Articulatory synthesis of French connected speech from EMA Data", Interspeech, Lyon, France, 2013. (This publication has an associated webpage).
- Ming Li, Jangwon Kim, Prasanta Kumar Ghosh, Vikram Ramanarayanan, Shrikanth S. Narayanan, "Speaker verification based on fusion of acoustic and articulatory Information", Interspeech, Lyon, France, 2013.
- Caitlin Smith, Adam Lammert, "Identifying consonantal tasks via measures of tongue shaping: A real-time MRI investigation of the production of vocalized syllabic /l/ in American English", Interspeech, Lyon, France, 2013.
- Rachel Walker, Michael I. Proctor, "Articulatory overlap in English syllables with postvocalic /[ɹ]/", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Vikram Ramanarayanan, Adam Lammert, Louis Goldstein, Shrikanth Narayanan, "Does articulatory setting provide some mechanical advantage for speech motor action?", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Fang-Ying Hsieh, Louis Goldstein, Dani Byrd, Shrikanth Narayanan, "Pharyngeal constriction in English diphthong production", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Caitlin Smith, Michael Proctor, Khalil Iskarous, Louis Goldstein, Shrikanth Narayanan, "On distinguishing articulatory configurations and articulatory tasks: Tamil retroflex consonants", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Zhaojun Yang, Vikram Ramanarayanan, Dani Byrd, Shrikanth Narayanan, "An examination of the articulatory characteristics of prominence in function and content words using real-time magnetic resonance imaging", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Sungbok Lee, Alexandros Potamianos, Shrikanth Narayanan, "Developmental aspects of American English diphthong trajectories in the formant space", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Adam Lammert, Shrikanth Narayanan, "On instantaneous vocal tract length estimation from formant frequencies", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Li Hsuan Lu, Adam Lammert, Vikram Ramanarayanan, Shrikanth Narayanan, "A comparative cross-linguistic study of vocal tract shaping in sibilant fricatives in English, Serbian and Mandarin using real-time magnetic resonance imaging", 21st International Congress on Acoustics, Montreal, Canada, 2013.
- Jangwon Kim, Adam Lammert, Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Spatial and temporal alignment of multimodal human speech production data: realtime Imaging, flesh point tracking and audio", IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Vancouver, Canada, 2013.
journal articles
- Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna Nayak, "Improved imaging of lingual articulation using real-time multislice MRI", Journal of Magnetic Resonance Imaging, vol. 35, no. 4, pp. 943-948, 2012.
book chapters
- Michael I. Proctor, Rachel Walker, "Articulatory bases of sonority in English liquids", The Sonority Hierarchy (Steve Parker, ed.), De Gruyter Mouton, Berlin, Germany, pp. 289-316, 2012.
papers in conference proceedings
- Jangwon Kim, Prasanta Kumar Ghosh, Sungbok Lee, Shrikanth S. Narayanan, "A study of emotional information present in articulatory movements estimated using acoustic-to-articulatory inversion", APSIPA Annual Summit and Conference, Hollywood, CA, 2012.
- Vikram Ramanarayanan, Prasanta Kumar Ghosh, Adam Lammert, Shrikanth S. Narayanan, "Exploiting speech production information for automatic speech and speaker modeling and recognition – possibilities and new opportunities", APSIPA Annual Summit and Conference, Hollywood, CA, 2012.
- Michael I. Proctor, Li Hsuan Lu, Yinghua Zhu, Louis Goldstein, Shrikanth S. Narayanan, "Articulation of Mandarin Sibilants: a multi-plane realtime MRI study", 14th Australasian International Conference on Speech Science and Technology, Sydney, Australia, 2012.
- Christina Hagedorn, Michael I. Proctor, Louis Goldstein, Maria Luisa Gorno Tempini, Shrikanth S. Narayanan, "Characterizing covert articulation in apraxic speech using real-time MRI", Interspeech, Portland, OR, 2012.
- Assaf Israel, Michael I. Proctor, Louis Goldstein, Khalil Iskarous, Shrikanth S. Narayanan, "Emphatic segments and emphasis spread in Lebanese Arabic: a Real-time magnetic resonance imaging study", Interspeech, Portland, OR, 2012.
- Sungbok Lee, Shrikanth S. Narayanan, "Effects of emotion on the lower lip movements at phrase boundaries", Speech Prosody, Shanghai, China, 2012.
- Yinghua Zhu, Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna S. Nayak, "Towards dynamic 3D MRI of speech", International Society for Magnetic Resonance in Medicine (ISMRM) 20th Scientific Sessions, Melbourne, Australia, pp. 294, 2012. ISMRM Merit Awards: Magna Cum Laude
- Yoon-Chul Kim, Athanasios Katsamanis, Michael I. Proctor, Shrikanth S. Narayanan, Krishna S. Nayak, "Pseudo golden-ratio spiral imaging with gradient acoustic noise cancellation: application to real-time MRI of fluent speech", International Society for Magnetic Resonance in Medicine (ISPMRM) 20th Scientific Sessions, Melbourne, Australia, pp. 4209, 2012.
journal articles
- Prasanta Kumar Ghosh, Louis Goldstein, Shrikanth S. Narayanan, "Auditory-like filterbank: An optimal speech processor for efficient human speech communication", Springer Proceedings of Indian Academy of Sciences (Sadhana), vol. 36, no. 5, pp. 699-712, 2011.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Automatic Speech recognition using articulatory features from subject-independent acoustic-to-articulatory inversion", Journal of the Acoustical Society of America Express Letters, vol. 130, no. 4, pp. EL251-El257, 2011.
- Yoon-Chul Kim, Cecil Hayes, Shrikanth S. Narayanan, Krishna S. Nayak, "A novel 16-channel receive coil array for accelerated upper airway MRI at 3 Tesla", Magnetic Resonance in Medicine, vol. 65, no. 6, pp. 1711-1717, 2011.
- Prasanta Kumar Ghosh, Louis Goldstein, Shrikanth S. Narayanan, "Processing speech signal using auditory-like filterbank provides least uncertainty about articulatory gestures", Journal of the Acoustical Society of America, vol. 129, no. 6, pp. 4014-4022, 2011.
- Yoon-Chul Kim, Shrikanth S. Narayanan, Krishna S. Nayak, "Flexible retrospective selection of temporal resolution in real-time speech MRI using a golden-ratio spiral view order", Magnetic Resonance in Medicine, vol. 65, no. 5, pp. 1365-1371, 2011.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Joint source-filter optimization for robust glottal source estimation in the presence of shimmer and jitter", Speech Communication, vol. 53, no. 1, pp. 98-109, 2011.
papers in conference proceedings
- Daniel Bone, Michael I. Proctor, Yoon-Chul Kim, Shrikanth S. Narayanan, "The human vocal instrument: Visualizing tongue shaping in speech sound production", ASA Lay Language Papers: 162nd Acoustical Society of America Meeting, San Diego, CA, 2011.
- Christina Hagedorn, Michael I. Proctor, Louis Goldstein, "Automatic analysis of singleton and geminate consonant articulation using real-time magnetic resonance imaging", Interspeech, Florence, Italy, 2011.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Analysis of inter-articulator correlation in acoustic-to-articulatory inversion using generalized smoothness criterion", Interspeech, Florence, Italy, 2011.
- Jangwon Kim, Sungbok Lee, Shrikanth S. Narayanan, "An exploratory study of the relations between perceived emotion strength and articulatory kinematics", Interspeech, Florence, Italy, 2011.
- Athanasios Katsamanis, Erik Bresch, Vikram Ramanarayanan, Shrikanth S. Narayanan, "Validating rt-MRI based articulatory representations via articulatory recognition", Interspeech, Florence, Italy, 2011.
- Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna Nayak, "Visualization of vocal tract shape using interleaved real-time MRI of multiple scan planes.", Interspeech, Florence, Italy, 2011.
- Adam Lammert, Michael I. Proctor, Athanasios Katsamanis, Shrikanth S. Narayanan, "Morphological variation in the adult vocal tract: a modeling study of its potential acoustic impact", Interspeech, Florence, Italy, 2011.
- Shrikanth S. Narayanan, Erik Bresch, Prasanta Kumar Ghosh, Louis Goldstein, Athanasios Katsamanis, Yoon-Chul Kim, Adam Lammert, Michael I. Proctor, Vikram Ramanarayanan, Yinghua Zhu, "A multimodal real-time MRI articulatory corpus for speech research", Interspeech, Florence, Italy, 2011.
- Michael I. Proctor, Adam Lammert, Athanasios Katsamanis, Louis Goldstein, Christina Hagedorn, Shrikanth S. Narayanan, "Direct estimation of articulatory kinematics from real-time magnetic resonance image sequences", Interspeech, Florence, Italy, 2011.
- Vikram Ramanarayanan, Athanasios Katsamanis, Shrikanth S. Narayanan, "Automatic data-driven learning of articulatory primitives from real-time MRI data using convolutive NMF with sparseness constraints", Interspeech, Florence, Italy, 2011.
- Christina Hagedorn, Michael I. Proctor, Louis Goldstein, Shrikanth S. Narayanan, "Automatic analysis of geminate consonant articulation using real-time magnetic resonance imaging", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "A subject-independent acoustic-to-articulatory inversion", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Prague, Czech Republic, 2011.
- Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna S. Nayak, "Time-interleaved imaging of arbitrary scan planes applied to real-time speech MRI", International Society for Magnetic Resonance in Medicine (ISMRM) 19th Scientific Sessions, Montreal, Canada, pp. 2454, 2011.
- Yinghua Zhu, Yoon-Chul Kim, Michael I. Proctor, Shrikanth S. Narayanan, Krishna S. Nayak, "Dynamic 3D visualization of vocal tract shaping during speech", International Society for Magnetic Resonance in Medicine (ISMRM) 19th Scientific Sessions, Montreal, Canada, pp. 4355, 2011.
- Athanasios Katsamanis, Matthew Black, Panayiotis G. Georgiou, Louis Goldstein, Shrikanth S. Narayanan, "SailAlign: Robust long speech-text alignment", Workshop on New Tools and Methods for Very-Large Scale Phonetics Research, Philadelphia, PA, 2011.
posters and abstracts
- Jangwon Kim, Sungbok Lee, Shrikanth S. Narayanan, "Detailed study of articulatory kinematics of critical articulators and non‐critical articulators of emotional speech", 162nd Meeting of the Acoustical Society of America, San Diego, California, 2011.
- Daniel Bone, Michael I. Proctor, Yoon-Chul Kim, Shrikanth S. Narayanan, "Semi-automatic modeling of tongue surfaces using volumetric structural MRI", 162nd Meeting of the Acoustical Society of America, San Diego, CA, 2011.
- Adam Lammert, Michael I. Proctor, Shrikanth S. Narayanan, "Morphological variation in the adult vocal tract: A study using rtMRI", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011. Best Student Paper (Northern Digital Inc. Excellence Award)
- Adam Lammert, Michael I. Proctor, Louis Goldstein, Marianne Pouplier, Shrikanth S. Narayanan, "Automatic identification of stable modes and fluctuations in a repetitive task using real‐time MRI", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Information theoretic analysis of direct and estimated articulatory features for phonetic discrimination", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011.
- Vikram Ramanarayanan, Adam Lammert, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Planning and execution in soprano singing and speaking behavior: An acoustic/articulatory study using real‐time MRI", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011.
- Vikram Ramanarayanan, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "An MRI study of articulatory settings of L1 and L2 speakers of American English", International Seminar on Speech Production (ISSP), Montreal, Canada, 2011.
journal articles
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "A generalized smoothness criterion for acoustic-to-articulatory inversion", Journal of the Acoustical Society of America, vol. 128, no. 4, pp. 2162-2172, 2010.
- Erik Bresch, Shrikanth S. Narayanan, "Real-time MRI investigation of resonance tuning in soprano singing", Journal of the Acoustical Society of America Express Letters, vol. 128, no. 5, pp. EL335-EL341, 2010.
papers in conference proceedings
- Michael I. Proctor, Krishna S. Nayak, Shrikanth S. Narayanan, "Para-linguistic mechanisms of production in human ’beatboxing’: a real-time MRI study", InterSinging, Tokyo, Japan, 2010.
- Yoon Kim, Shrikanth S. Narayanan, Krishna S. Nayak, "Improved real-time MRI of oral-velar coordination using a golden-ratio spiral view order", Interspeech, Makuhari, Japan, 2010.
- Michael I. Proctor, Daniel Bone, Athanasios Katsamanis, Shrikanth S. Narayanan, "Rapid semi-automatic segmentation of real-time magnetic resonance images for parametric vocal tract analysis", Interspeech, Makuhari, Japan, 2010.
- Adam Lammert, Michael I. Proctor, Shrikanth S. Narayanan, "Data-Driven analysis of realtime vocal tract MRI using correlated image regions", Interspeech, Makuhari, Japan, 2010.
- Vikram Ramanarayanan, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Investigating articulatory setting —pauses, ready position, and rest— using real-time MRI", Interspeech, Makuhari, Japan, 2010.
- Erik Bresch, Athanasios Katsamanis, Louis Goldstein, Shrikanth S. Narayanan, "Statistical multi-stream modeling of real-time MRI articulatory speech data", Interspeech, Makuhari, Japan, 2010.
- Sungbok Lee, Shrikanth S. Narayanan, "Vocal tract contour analysis of emotional speech by the functional data curve representation", Interspeech, Makuhari, Japan, 2010.
- Jangwon Kim, Sungbok Lee, Shrikanth S. Narayanan, "A study of interplay between articulatory movement and prosodic characteristics in emotional speech production", Interspeech, Makuhari, Japan, 2010.
- Adam Lammert, Louis Goldstein, K. Iskarous, "Locally-weighted regression for estimating the forward kinematics of a geometric vocal tract model", Interspeech, Makuhari, Japan, 2010. Best Paper Award (1 of the 20 best, top 3%)
- Vikram Ramanarayanan, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "A joint acoustic-articulatory study of nasal spectral reduction in read versus spontaneous speaking styles", Speech Prosody, Chicago, Illinois, 2010.
- Yoon-Chul Kim, Shrikanth S. Narayanan, Krishna S. Nayak, "Flexible retrospective selection of temporal resolution in real-time speech MRI using a golden-ratio spiral view order", International Society for Magnetic Resonance in Medicine (ISMRM) 18th Scientific Sessions, Stockholm, Sweden, pp. 4967, 2010.
- Jangwon Kim, Sungbok Lee, Shrikanth S. Narayanan, "An exploratory study of manifolds of emotional speech", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Dallas, TX, 2010.
posters and abstracts
- Michael I. Proctor, Adam Lammert, Louis Goldstein, Shrikanth S. Narayanan, "Temporal analysis of articulatory speech errors using direct image analysis of real time magnetic resonance imaging", 160th Meeting of the Acoustical Society of America, Cancun, Mexico, 2010.
- Adam Lammert, Erik Bresch, Louis Goldstein, Shrikanth S. Narayanan, "Gestural control in the English past-tense suffix: an articulatory study using real time MRI", LabPhon12, Albuquerque, NM, 2010.
journal articles
- Vikram Ramanarayanan, Erik Bresch, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "Analysis of pausing behavior in spontaneous speech using real-time magnetic resonance imaging of articulation", Journal of the Acoustical Society of America Express Letters, vol. 126, no. 5, pp. EL160-EL165, 2009.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Pitch contour stylization using an optimal piecewise polynomial approximation", IEEE Signal Processing Letters, vol. 16, no. 9, pp. 810-813, 2009.
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, "Closure duration analysis of incomplete stop consonants due to stop-stop interaction", Journal of the Acoustical Society of America Express Letters, vol. 126, no. 1, pp. EL1-EL7, 2009.
- Yoon-Chul Kim, Shrikanth S. Narayanan, Krishna S. Nayak, "Accelerated 3D upper airway MRI using compressed sensing", Magnetic Resonance in Medicine, vol. 61, no. 6, pp. 1434-1440, 2009.
- Erik Bresch, Shrikanth S. Narayanan, "Region segmentation in the frequency domain applied to upper airway real-time magnetic resonance images", IEEE Transactions on Medical Imaging, vol. 28, no. 3, pp. 323-338, 2009. (This publication has an associated webpage).
- Dani Byrd, Stephen Tobin, Erik Bresch, Shrikanth S. Narayanan, "Timing effects of syllable structure and stress on nasals: A real-time MRI examination", Journal of Phonetics, vol. 37, no. 1, pp. 97-110, 2009.
papers in conference proceedings
- Prasanta Kumar Ghosh, Shrikanth S. Narayanan, Pierre Divenyi, Louis Goldstein, Elliot Saltzman, "Estimation of articulatory gesture patterns from speech acoustics", Interspeech, Brighton, UK, 2009.
- Jangwon Kim, Sungbok Lee, Shrikanth S. Narayanan, "A detailed study of word-position effects on emotion expression in speech", Interspeech, Brighton, UK, 2009.
- Emily Nava, Joseph Tepperman, Louis Goldstein, Maria Luisa Zubizarreta, Shrikanth S. Narayanan, "Connecting rhythm and prominence in automatic ESL pronunciation scoring", Interspeech, Brighton, UK, 2009.
- Joseph Tepperman, Louis Goldstein, Sungbok Lee, Shrikanth S. Narayanan, "Automatically rating pronunciation through articulatory phonology", Interspeech, Brighton, UK, 2009.
- Joseph Tepperman, Erik Bresch, Yoon-Chul Kim, Sungbok Lee, Louis Goldstein, Shrikanth S. Narayanan, "An articulatory analysis of phonological transfer using real-time MRI", Interspeech, Brighton, UK, 2009.
- Yoon-Chul Kim, Shrikanth S. Narayanan, Krishna S. Nayak, "Accelerated 3D MRI of vocal tract shaping using compressed sensing and parallel imaging", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Taipei, Taiwan, 2009.
posters and abstracts
- Adam Lammert, Erik Bresch, Dani Byrd, Louis Goldstein, Shrikanth S. Narayanan, "An articulatory study of lexicalized and epenthetic schwa using real time magnetic resonance imaging", 157th Meeting of the Acoustical Society of America, Portland, OR, 2009.
- Michael I. Proctor, Louis Goldstein, Dani Byrd, Erik Bresch, Shrikanth S. Narayanan, "Articulatory comparison of Tamil liquids and stops using real-time magnetic resonance imaging.", 157th Meeting of the Acoustical Society of America, Portland, OR, 2009.
journal articles
- Erik Bresch, Yoon-Chul Kim, Krishna S. Nayak, Dani Byrd, Shrikanth S. Narayanan, "Seeing speech: Capturing vocal tract shaping using real-time magnetic resonance imaging", IEEE Signal Processing Magazine, vol. 25, no. 3, pp. 123-132, 2008.
papers in conference proceedings
- Erik Bresch, Daylen Riggs, Louis Goldstein, Dani Byrd, Sungbok Lee, Shrikanth S. Narayanan, "An analysis of vocal tract shaping in English sibilant fricatives using real-time magnetic resonance imaging", Interspeech, Brisbane, Australia, 2008.
journal articles
- Erik Bresch, Jon Nielsen, Krishna S. Nayak, Shrikanth S. Narayanan, "Synchronized and noise-robust audio recordings during realtime magnetic resonance imaging scans", Journal of the Acoustical Society of America, vol. 120, no. 4, pp. 1791-1794, 2006. (This publication has an associated webpage).
papers in conference proceedings
- Erik Bresch, Jason Adams, Arthur Pouzet, Sungbok Lee, Dani Byrd, Shrikanth S. Narayanan, "Semi-automatic processing of real-time MR image sequences for speech production studies", International Seminar on Speech Production (ISSP), Ubatuba, Brazil, 2006.
- Sungbok Lee, Erik Bresch, Shrikanth S. Narayanan, "An exploratory study of emotional speech production using functional data analysis techniques", International Seminar on Speech Production (ISSP), Ubatuba, Brazil, 2006.
- Sungbok Lee, Erik Bresch, Jason Adams, Abe Kazemzadeh, Shrikanth S. Narayanan, "A study of emotional speech articulation using a fast magnetic resonance imaging technique", Interspeech, Pittsburgh, PA, 2006.
papers in conference proceedings
- Sungbok Lee, Serdar Yildirim, Abe Kazemzadeh, Shrikanth Narayanan, "An articulatory study of emotional speech production.", Interspeech, Lisbon, Portugal, 2005.
journal articles
- Shrikanth S. Narayanan, Krishna S. Nayak, Sungbok Lee, Abhinav Sethy, Dani Byrd, "An approach to real-time magnetic resonance imaging for speech production", Journal of the Acoustical Society of America, vol. 115, no. 4, pp. 1771-1776, 2004. (This publication has an associated webpage).
journal articles
- Carol Y. Espy-Wilson, Suzanne E. Boyce, Michel T. T. Jackson, Shrikanth S. Narayanan, Abeer Alwan, "Acoustic modeling of American English /r/", Journal of the Acoustical Society of America, vol. 108, no. 1, pp. 343-356, 2000.
- Shrikanth S. Narayanan, Abeer Alwan, "Noise source models for fricative consonants", IEEE Transactions on Speech and Audio Processing, vol. 8, no. 2, pp. 328-344, 2000.
book chapters
- Dani Byrd, Abigail Kaun, Shrikanth S. Narayanan, Elliot Saltzman, "Phrasal signatures in articulation", Papers in Laboratory Phonology V. Acquisition and the Lexicon (Michael B. Broe, Janet B. Pierrehumbert, eds.), Cambridge University Press, New York, NY, pp. 70-87, 2000.
journal articles
- Shrikanth S. Narayanan, Dani Byrd, Abigail Kaun, "Geometry, kinematics, and acoustics of Tamil liquid consonants", Journal of the Acoustical Society of America, vol. 106, no. 4, pp. 1993-2007, 1999.
- Sungbok Lee, Alexandros Potamianos, Shrikanth S. Narayanan, "Acoustics of children’s speech: Developmental changes of temporal and spectral parameters", Journal of the Acoustical Society of America, vol. 105, no. 3, pp. 1455-1468, 1999.
book chapters
- Abeer Alwan, Shrikanth S. Narayanan, B. Strope, A. Shen, "Speech production and perception models and their applications to synthesis, recognition, and coding", Speech Processing, Recognition, and Artificial Neural Networks (Chollet, DiBenedetto, Esposito, Marinaro, eds.), Springer-Verlag, London, pp. 138-161, 1999.
papers in conference proceedings
- Shrikanth S. Narayanan, Abigail Kaun, "Acoustic modeling of Tamil retroflex liquids", International Congress of Phonetic Sciences (ICPhS), San Francisco, CA, 1999.
journal articles
- Shrikanth S. Narayanan, Abeer Alwan, Katherine Haker, "Toward articulatory-acoustic models for liquid consonants based on MRI and EPG data. Part I: The laterals", Journal of the Acoustical Society of America, vol. 101, no. 2, pp. 1064-1077, 1997.
- Abeer Alwan, Shrikanth S. Narayanan, Katherine Haker, "Toward articulatory-acoustic models for liquid consonants based on MRI and EPG data. Part II: The rhotics", Journal of the Acoustical Society of America, vol. 101, no. 2, pp. 1078-1089, 1997.
papers in conference proceedings
- Sungbok Lee, Alexandros Potamianos, Shrikanth S. Narayanan, "Analysis of children's speech: Duration, pitch and formants", Eurospeech, vol. 1, Rhodes, Greece, pp. 473-476, 1997.
- Shrikanth S. Narayanan, Abeer Alwan, Yong Song, "New results in vowel production: MRI, EPG, and acoustic data", Interspeech, vol. 1, Rhodes, Greece, pp. 1007-1010, 1997.
- Carol Y. Espy-Wilson, Shrikanth S. Narayanan, Abeer Alwan, Suzanne E. Boyce, "Acoustic modelling of American English /r/", Interspeech, vol. 1, Rhodes, Greece, pp. 393-396, 1997.
posters and abstracts
- Dani Byrd, Shrikanth S. Narayanan, Abigail Kaun, Elliot Saltzman, "Phrasal boundaries and articulatory timing", Fifth Conference on Laboratory Phonology, Chicago, IL, 1997.
papers in conference proceedings
- Philbert Bangayan, Abeer Alwan, Shrikanth S. Narayanan, "From MRI and acoustic data to articulatory synthesis: A case study of the lateral approximants in American English", Fourth International Conference on Spoken Language Processing (ICSLP), vol. 2, Philadelphia, PA, pp. 793-796, 1996.
- Shrikanth S. Narayanan, Abigail Kaun, Dani Byrd, Peter Ladefoged, Abeer Alwan, "Liquids in Tamil", Fourth International Conference on Spoken Language Processing (ICSLP), vol. 2, Philadelphia, PA, pp. 797-800, 1996.
- Shrikanth S. Narayanan, Abeer Alwan, "Parametric hybrid source models for voiced and voiceless fricative consonants", IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), Atlanta, GA, pp. 377-380, 1996.
- Shrikanth S. Narayanan, Abeer Alwan, "Imaging applications in speech production research", Proceedings of the Society of Photographic Instrumentation Engineers (SPIE) Medical Imaging, vol. 2079, Newport Beach, CA, pp. 120-131, 1996.
posters and abstracts
- Dani Byrd, Abigail Kaun, Shrikanth S. Narayanan, "Prosodic boundary effects in Tamil: An articulatory study", Meeting of the Linguistic Society of America, San Diego, CA, 1996.
journal articles
- Shrikanth S. Narayanan, Abeer Alwan, "A nonlinear dynamical systems analysis of fricative consonants", Journal of the Acoustical Society of America, vol. 97, no. 4, pp. 2511-2524, 1995.
papers in conference proceedings
- Abeer Alwan, Shrikanth S. Narayanan, B. Strope, A. Shen, "Speech production and perception models and their applications to synthesis, recognition, and coding", International Symposium on Signals, Systems, and Electronics (ISSSE), Monterey, CA, pp. 367-372, 1995.
- Shrikanth S. Narayanan, Abeer Alwan, Katherine Haker, "An articulatory study of liquid approximants in American English", International Congress of Phonetic Sciences (ICPhS), vol. 3, Stockholm, Sweden, pp. 576-579, 1995.
papers in conference proceedings
- Shrikanth S. Narayanan, Abeer Alwan, Katherine Haker, "An MRI study of fricative consonants", International Conference on Spoken Language Processing (ICSLP), vol. 2, Yokohama, Japan, pp. 627-630, 1994.
papers in conference proceedings
- Shrikanth S. Narayanan, Abeer Alwan, "Strange attractors and chaotic dynamics in the production of voiced and voiceless fricatives", Eurospeech, Berlin, Germany, pp. 77-80, 1993.