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Courses
- APSMAnatomy and Physiology of the Speech Mechanism
- ASHSAcoustics for the Speech and Hearing Sciences
- HSHearing Science
- SSSpeech Science
- PSSPreclinical Speech Science
- APSAcoustics and Perception of Speech
- SPSpeech Perception
Grants
- Synchronization of Sound Source with Airway Resonances
Principal Investigator (PI)
2019
$220.7K
Active - MRI & CT Studies of the Developing Vocal Tract
Principal Investigator (PI)
2014
$32.3K
- A Model of Sound Production in Children
Principal Investigator (PI)
2012
$253.3K
- Modulation of the Voice Related to Tremor and Vibrato
Co-Investigator (COI)
2012
$71.7K
- An Acoustic Model of Child-Like Speech
Principal Investigator (PI)
2011
$1.6M
- Kinematic Modeling of Asymmetric Vocal Fold Vibration
Co-Investigator (COI)
2010
$73.3K
- High-frequency Energy in Speech and Voice
Key Personnel (KP)
2010
$55.7K
- Quantitative Modeling of Speech
Principal Investigator (PI)
2006
$1.3M
News
- Researchers Solve Mystery of Tuvan Throat Singing
2020
- NIH Training Grant Awarded to Speech, Language and Hearing Sciences
2008
- UA is National Highlight During Better Hearing & Speech Month
2001
Publications (185)
- Acoustical Theory of Vowel Modification Strategies in Belting
2023
- Harmonics-to-noise ratio estimation with deterministically time-varying harmonic model for pathological voice signals
2022
- Computer simulation of vocal tract resonance tuning strategies with respect to fundamental frequency and voice source spectral slope in singing
2022
- High-Resolution Three-Dimensional Hybrid MRI + Low Dose CT Vocal Tract Modeling: A Cadaveric Pilot Study
2022
- Examining speech motor planning difficulties in apraxia of speech and aphasia via the sequential production of phonetically similar words.
2021
- The relation of velopharyngeal coupling area to the identification of stop versus nasal consonants in North American English based on speech generated by acoustically driven vocal tract modulations
2021
- Anatomic development of the upper airway during the first five years of life: A three-dimensional imaging study
2021
- Identification of voiced stop consonants produced by acoustically-driven vocal tract modulations
2020
- Effects of sampling rate and type of anti-aliasing filter on linear-predictive estimates of formant frequencies in men, women, and children.
2020
- Overtone focusing in biphonic tuvan throat singing
2020
- Time-Varying Quasi-Closed-Phase Analysis for Accurate Formant Tracking in Speech Signals
2020
- Prediction of listener perception of place-of-articulation in reduced speech
2019
- Author response: Overtone focusing in biphonic tuvan throat singing
2019
- OPENGLOT – An open environment for the evaluation of glottal inverse filtering
2019
- Time-varying quasi-closed-phase analysis for accurate formant tracking in speech signals.
2019
- A model of speech production based on the acoustic relativity of the vocal tract
2019
- Estimation of the glottal source from coded telephone speech using deep neural networks
2019
- Speech motor planning in the context of phonetically similar words: Evidence from apraxia of speech and aphasia
2019
- Estimation of the glottal flow from speech pressure signals: Evaluation of three variants of iterative adaptive inverse filtering using computational physical modelling of voice production
2018
- Acoustic communication by vocal tract modulation
2018
- Influence of left-right vocal fold asymmetries on voice quality in simulated paramedian vocal fold paralysis
2017
- An acoustically-driven vocal tract model for stop consonant production
2017
- Vocal tract growth model for males and females using area function transformations based on anatomic measurements
2017
- Stories of speech science
2017
- Vowel space density as an indicator of speech performance
2017
- The effects of physiological adjustments on the perceptual and acoustical characteristics of vibrato as a model of vocal tremor.
2016
- Prediction of listener perception of reduced, voice stop consonant simulations based on patterns of formant deflections
2016
- A modeling study of the effects of vocal tract movement duration and magnitude on the F2 trajectory in CV words
2016
- Formant measurement in children’s speech based on spectral filtering
2016
- Identification of stop consonants produced by an acoustically-driven model of a child-like vocal tract
2016
- Arizona Child Acoustic Database Repository
2016
- The role of artificial speech in understanding the acoustic characteristics of spoken communication
2016
- Acoustic modeling of the perception of place information in incomplete stops
2015
- The effects of physiological adjustments on the perceptual and acoustical characteristics of simulated laryngeal vocal tremor
2015
- Toward a consensus on symbolic notation of harmonics, resonances, and formants in vocalization
2015
- Ken Stevens’ influence on the development of paradigms for speech synthesis
2015
- A spectral filtering method for tracking formants in children’s speech
2015
- 3 Mechanisms of Voice Production
2015
- Modulation of voice related to tremor and vibrato
2014
- Eerie voices: Odd combinations, extremes, and irregularities
2014
- The perceptual significance of high-frequency energy in the human voice
2014
- Quasi closed phase glottal inverse filtering analysis with weighted linear prediction
2014
- Acoustical bases for the perception of simulated laryngeal vocal tremor
2014
- A New Algorithm for Vocal Tract Shape Extraction from Singer's Waveforms
2014
- Speech spectral intensity discrimination at frequencies above 6 kHz
2014
- Structure, Movement, Sound, and Perception
2014
- Acoustic and Perceptual Effects of Left--Right Laryngeal Asymmetries Based on Computational Modeling
2014
- Detection of high-frequency energy level changes in speech and singing
2014
- Automatic glottal inverse filtering with the Markov chain Monte Carlo method
2014
- Gender and vocal production mode discrimination using the high frequencies for speech and singing
2014
- Discriminating Simulated Vocal Tremor Source Using Amplitude Modulation Spectra
2014
- Estimation of vocal tract area functions in children based on measurement of lip termination area and inverse acoustic mapping
2013
- Production of child-like vowels with nonlinear interaction of glottal flow and vocal tract resonances
2013
- Acoustic characteristics of respiratory-induced vocal tremor
2013
- Acoustic characteristics of simulated respiratory-induced vocal tremor
2013
- Joint source-filter optimization for accurate vocal tract estimation using differential evolution
2013
- Physiologic and acoustic patterns of essential vocal tremor
2013
- Modulation of voice related to simulated vocal fold length change with cricothyroid and thyroarytenoid muscle activation
2013
- The academic family tree of Ingo Titze
2013
- Phrase-level speech simulation with an airway modulation model of speech production
2013
- Simulation and identification of vowels based on a time-varying model of the vocal tract area function
2013
- Formant frequency estimation of high-pitched vowels using weighted linear prediction
2013
- Quasi closed phase analysis for glottal inverse filtering.
2013
- Relation of perceived breathiness to laryngeal kinematics and acoustic measures based on computational modeling
2013
- Acknowledgment of Guest Reviewers
2013
- Discriminating vocal tremor source from amplitude envelope modulations
2012
- “Talker normalization” effects elicited with no change in talker
2012
- Analysis of high-frequency energy in long-term average spectra of singing, speech, and voiceless fricatives
2012
- The relation of nasality and nasalance to nasal port area based on a computational model
2012
- Analysis of high-frequency energy in singing and speech
2012
- Horizontal directivity of low- and high-frequency energy in speech and singing
2012
- Improved formant frequency estimation from high-pitched vowels by downgrading the contribution of the glottal source with weighted linear prediction
2012
- Decomposition of vowel and consonant contributions to the time-varying vocal tract shape.
2011
- Perception of high-frequency energy in singing and speech.
2011
- TubeTalker: An airway modulation model of human sound production
2011
- Relation of structural and vibratory kinematics of the vocal folds to two acoustic measures of breathy voice based on computational modeling
2011
- An overview of acoustic research in Speech Communication.
2011
- Source-vocal tract interaction in female operatic singing and theater belting, J
2011
- Perceptually relevant information in energy above 5 kHz for speech and singing
2011
- A test of formant frequency analyzes with simulated child-like vowels.
2011
- Source-Vocal Tract Interaction in Female Operatic Singing and Theater Belting
2011
- Conceptual and clinical updates on vocal tremor
2010
- Identification of synthetic vowels based on a time-varying model of the vocal tract area function
2010
- Predicting the effect of talker differences on perceived vowel category.
2010
- Relation of vocal tract shape, formant transitions, and stop consonant identification
2010
- Erratum: A parametric model of the vocal tract area function for vowel and consonant production (Journal of the Acoustical Society of America (2005) 117, (3231-3254))
2009
- Kinematic modeling and acoustic measures of breathy voice.
2009
- Identification of synthetic vowels based on time-varying vocal tract area functions.
2009
- Erratum:“A parametric model of the vocal tract area function for vowel and consonant production”[J. Acoust. Soc. Am., 117, 3231--3254 (2005)]
2009
- Vowel and consonant contributions to vocal tract shape
2009
- Vocal tract modes based on multiple area function sets from one speaker
2009
- Closed phase covariance analysis based on constrained linear prediction for glottal inverse filtering
2009
- Identification of synthetic vowels based on selected vocal tract area functions
2009
- A possible role of nonlinear source-filter interaction in simulation of childlike speech.
2009
- Relation of vocal tract constriction location to identification of voiced stop consonants.
2009
- Normalization for vocal tract differences using long term average spectrum
2009
- Advances in simulation of sentence-level speech production with kinematic models of the vocal tract and vocal folds.
2009
- Erratum: Respiratory and laryngeal function during spontaneous speaking in teachers with voice disorders (Journal of Speech, Language, and Hearing Research (2008), 51, 2, (333-349 10.1044/1092-4388(2008/025)).
2008
- Respiratory and laryngeal function during spontaneous speaking in teachers with voice disorders
2008
- Quantal events generated by the structural and temporal variation of the vocal tract.
2008
- Comparison of magnetic resonance imaging-based vocal tract area functions obtained from the same speaker in 1994 and 2002
2008
- Time dependence of vocal tract modes during production of vowels and vowel sequences
2007
- Acoustically‐guided vocal tract modifications for singing
2007
- Effects of intensive voice treatment (the Lee Silverman Voice Treatment [LSVT]) on vowel articulation in dysarthric individuals with idiopathic Parkinson disease: acoustic and perceptual findings
2007
- Effects of intensive voice treatment (LSVT®) on vowel articulation in dysarthric individuals with idiopathic Parkinson disease: Acoustic and perceptual findings
2007
- Effects of intensive voice treatment (the Lee Silverman voice treatment [LSVT]) on vowel articulation in dysarthric individuals with idiopathic Parkinson disease: Acoustic and perceptual findings (vol 50, pg 899, 2007)
2007
- Effects of binaural electronic hearing protectors on localization and response time to sounds in the horizontal plane
2007
- Erratum: Effects of intensive voice treatment (the Lee Silverman Voice Treatment [LSVT]) on vowel articulation in dysarthric individuals with idiopathic parkinson disease: Acoustic and perceptual findings (Journal of Speech, Language, and Hearing Research (2007), 50, PART 4, (899-912) DOI: 10.1044/1092-4388(2007/064))
2007
- A comparison of vocal tract perturbation patterns based on statistical and acoustic considerations
2007
- Source-vocal tract interaction in singing
2007
- Simulation and analysis of nasalized vowels based on magnetic resonance imaging data
2007
- Modification of emotional speech and voice quality based on changes to the vocal tract structure
2007
- The acoustic consequences of time-dependent changes of the vocal tract shape
2007
- Vocal-tract modeling: Fractional elongation of segment lengths in a waveguide model with half-sample delays
2006
- The relation of the temporal variation of F2 to articulator movement
2006
- Estimation of the voice source from speech pressure signals: Evaluation of an inverse filtering technique using physical modelling of voice production
2006
- Impact of intensive vocal loudness treatment (LSVT) on vowel articulation in Parkinsonian speech: Acoustic and perceptual findings
2006
- Technique for “tuning” vocal tract area functions based on acoustic sensitivity functions
2006
- Simulated effects of cricothyroid and thyroarytenoid muscle activation on adult-male vocal fold vibration
2006
- Listener perception of respiratory-induced voice tremor
2006
- Comparison of vocal tract shaping patterns derived from articulatory fleshpoint data and MRI-based area functions
2006
- Acoustically-guided articulation patterns for vowel production
2005
- Estimation of the voice source from speech pressure signals: evaluation of an inverse filtering technique using physical modelling of voice production.
2005
- A parametric model of the vocal tract area function for vowel and consonant simulation
2005
- Simulation and analysis of tremor in speech production
2005
- Synergistic modes of vocal tract articulation for American English vowels
2005
- On the ability of a physiologically constrained area function model of the vocal tract to produce normal formant patterns under perturbed conditions
2004
- Erratum: Effects of intensive voice treatment (the Lee Silverman Voice Treatment [LSVT]) on ataxic dysarthria: A case study (American Journal of Speech-Language Pathology (November 2003) (398))
2004
- The perception of two vocal qualities in a synthesized vocal utterance: Ring and pressed voice
2004
- Vowel acoustics for speaking and singing
2004
- A formant-to-area conversion technique based on acoustic sensitivity functions
2004
- Evaluation of an inverse filtering technique using physical modeling of voice production.
2004
- Effects of Intensive Voice Treatment (the Lee Silverman Voice Treatment [LSVT]) on Ataxic Dysarthria: A Case Study
2003
- Physical modeling of voice and voice quality
2003
- Simulation of VCV syllables with a parametric area function model of the vocal tract
2003
- An investigation of perceptual tolerance limits of stop constriction regions along the vocal tract
2003
- Vocal tract modeling: implementation of continuous length variations in a half-sample delay Kelly-Lochbaum model
2003
- Using imaging and modeling techniques to understand the relation between vocal tract shape to acoustic characteristics
2003
- Source and filter adjustments affecting the perception of the vocal qualities twang and yawn
2003
- A preliminary study of voice quality transformation based on modifications to the neutral vocal tract area function
2002
- A parametric area function model of three female vocal tracts based on orthogonal modes
2002
- A reflex resonance model of vocal vibrato
2002
- Rules for controlling low-dimensional vocal fold models with muscle activation
2002
- An overview of the physiology, physics and modeling of the sound source for vowels
2002
- Speech synthesis by mapping articulator movement patterns to a shape-based area function model of the vocal tract
2001
- The relationship of vocal tract shape to three voice qualities
2001
- A distinctive region model (DRM) based on empirical vocal tract area functions
2001
- Three-dimensional vocal tract imaging and formant structure: Varying vocal register, pitch, and loudness
2001
- An investigation of voice quality based on modifications of the neutral vocal tract shape
2000
- Comparison between electroglottography and electromagnetic glottography
2000
- Acoustic impedance of an artificially lengthened and constricted vocal tract
2000
- A study of compensation for a labial perturbation of the vowel/u/using an area function model of the vocal tract
2000
- A preliminary study of speech transformation using empirically defined articulatory modes
1999
- The acoustic analysis of reinforced harmonics
1999
- Vocal tract shape estimation using three noninvasive transducers
1998
- Parameterization of vocal tract area functions by empirical orthogonal modes
1998
- Synthesis of sentence-level speech based on measured vocal tract area functions
1998
- Simulation of sentence-level speech based on measured vocal tract area functions
1998
- Grenzen der Jitter-und Shimmer-Messung pathologischer Stimmen mit dem un\ uberwachten Waveform-Matching-Verfahren
1998
- Contributions of vocal tract shape to voice quality
1998
- Glottal source parameter estimation by comparison of measured signals with simulated signals
1998
- Vocal tract area functions for an adult female speaker based on volumetric imaging
1998
- A simplified model for the simulation and transformation of speech
1997
- Considerations in voice transformation with physiologic scaling principles
1997
- How parrots talk: Insights based on CT scans, image processing, and mathematical models
1997
- Volumetric image-based comparison of male and female vocal tract shapes
1997
- Advance table of contents
1997
- Acoustic interactions of the voice source with the lower vocal tract
1997
- Vocal tract imaging: a comparison of MRI and EBCT
1996
- Volumetric EBCT imaging of the vocal tract applied to male falsetto singing
1996
- LPC-based voice transformation from adult to child
1996
- Vocal tract area functions from magnetic resonance imaging
1996
- Comparison of three techniques for voice transformation
1996
- A simplified model for simulation and transformation of speech
1996
- Volumetric EBCT imaging of the vocal tract applied to male falsetto singing [2709-13]
1996
- Transformation from normal to twang and sob vocal qualities
1996
- Voice simulation with a body-cover model of the vocal folds
1995
- Speech simulation based on MR images of the vocal tract
1995
- A three-dimensional solution of the wave equation in a model of the vocal tract
1995
- Vocal tract shapes and area functions from magnetic resonance imaging (MRI)
1995
- Physiologically-Based Speech Simulation Using AN Enhanced Wave-Reflection Model of the Vocal Tract.
1995
- Speech simulation based on MR images of the vocal tract [2433-21]
1995
- Bifurcations in excised larynx experiments
1995
- Acoustics of the tenor high voice
1994
- Voice simulation with a three-mass model of the vocal folds
1993