Summary: The process of producing vocal sounds by means of VOCAL CORDS vibrating in an expiratory blast of air.
Publications235 found, 100 shown here
- Direct measurement of onset and offset phonation threshold pressure in normal subjectsRandall L Plant
Department of Otolaryngology Head and Neck Surgery, Eastern Virginia Medical School, Norfolk, Virginia 23507, USA
J Acoust Soc Am 116:3640-6. 2004b>Phonation threshold pressures were directly measured in five normal subjects in a variety of voicing conditions...
- Human brain activation during phonation and exhalation: common volitional control for two upper airway functionsTorrey M J Loucks
Laryngeal and Speech Section, Medical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, USA
Neuroimage 36:131-43. 2007b>Phonation is defined as a laryngeal motor behavior used for speech production, which involves a highly specialized coordination of laryngeal and respiratory neuromuscular control...
- Pulse register phonation in Diana monkey alarm callsTobias Riede
Department of Psychology, 245 Uris Hall, Cornell University, Ithaca, New York 14853, USA
J Acoust Soc Am 113:2919-26. 2003..First, although pulsed phonation has been described in a variety of mammalian vocalizations, very little is known about the underlying production ..
- Phonation threshold flow measurements in normal and pathological phonationPeiyun Zhuang
Department of Surgery, Division of Otolaryngology Head and Neck Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
Laryngoscope 119:811-5. 2009b>Phonation threshold flow (PTF) may provide a tool to assess laryngeal function and could differentiate between normal and pathological voices...
- Theoretical assessment of unsteady aerodynamic effects in phonationMichael H Krane
Center for Advanced Information Processing, Rutgers University, Piscataway, New Jersey 08854, USA
J Acoust Soc Am 120:1578-88. 2006..The analysis suggests that glottal flow may be considered quasisteady only insofar as traditional assumptions concerning glottal jet behavior can be confirmed...
- Onset and offset phonation threshold flow in excised canine laryngesMichael F Regner
Department of Surgery, Division of Otolaryngology Head and Neck Surgery, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin 53706, USA
Laryngoscope 118:1313-7. 2008In this study, we examined the hypothesis that the minimum flow required for phonation onset, the onset phonation threshold flow (PTF), is greater than the minimum flow to sustain phonation, the offset PTF...
- Nonlinear source-filter coupling in phonation: vocal exercisesIngo Titze
National Center for Voice and Speech, The Denver Center for the Performing Arts, Denver, Colorado, USA
J Acoust Soc Am 123:1902-15. 2008....
- Mechanical stress during phonation in a self-oscillating finite-element vocal fold modelChao Tao
Department of Surgery, Division of Otolaryngology Head and Neck Surgery, University of Wisconsin Medical School, 1300 University Avenue, Madison, WI 53792 7375, USA
J Biomech 40:2191-8. 2007The stress information during phonation in the vocal folds is helpful in understanding the etiologies of vocal trauma and its related vocal diseases, such as nodules...
- A numerical analysis of phonation using a two-dimensional flexible channel model of the vocal foldsT Ikeda
Department of Aerospace Engineering, Graduate School of Engineering, Nagoya University, Chikusa, Japan
J Biomech Eng 123:571-9. 2001..vocal folds coupled with an unsteady one-dimensional flow model is presented for an analysis of the mechanism of phonation. The vocal fold is approximated by springs and dampers distributed in the main flow direction that are enveloped ..
- Numerical analysis of effects of transglottal pressure change on fundamental frequency of phonationShinji Deguchi
Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan
Ann Otol Rhinol Laryngol 116:128-34. 2007In humans, a decrease in transglottal pressure (Pt) causes an increase in the fundamental frequency of phonation (F0) only at a specific voice pitch within the modal register, the mechanism of which remains unclear.
- Neurorrhaphy of the recurrent laryngeal nerveFong-Fu Chou
Department of Surgery, Chang Gung Memorial Hospital at Kaohsiung, Chang Gung University, Kaohsiung Hsien, Taiwan, ROC
J Am Coll Surg 197:52-7. 2003..Eight patients with immediate repair showed improved voice quality, aspiration, GRBAS scales, and maximum phonation time at 6 months after surgery...
- Comparing phonation threshold flow and pressure by abducting excised laryngesDaniel G Hottinger
Department of Surgery, Division of Otolaryngology Head and Neck Surgery, University of Wisconsin Medical School, Madison, Wisconsin 53706, USA
Laryngoscope 117:1695-9. 2007This experiment studied a new aerodynamic parameter, phonation threshold flow, along with phonation threshold pressure, by varying prephonatory glottal width in canine larynges ex vivo...
- The influence of subglottal acoustics on laboratory models of phonationZhaoyan Zhang
UCLA School of Medicine, 31 24 Rehabilitation Center, 1000 Veteran Avenue, Los Angeles, California 90095 1794, USA
J Acoust Soc Am 120:1558-69. 2006Many previous laboratory investigations of phonation involving physical models, excised larynges, and in vivo canine larynges have failed to fully specify the subglottal system...
- Phonation threshold pressure measurement with a semi-occluded vocal tractIngo R Titze
National Center for Voice and Speech, The Denver Center for the Performing Arts, Denver, CO, USA
J Speech Lang Hear Res 52:1062-72. 2009The purpose of this article was to determine if a semi-occluded vocal tract could be used to measure phonation threshold pressure...
- Dependence of phonation threshold pressure on vocal tract acoustics and vocal fold tissue mechanicsRoger W Chan
Otolaryngology Head and Neck Surgery, University of Texas Southwestern Medical Center, Dallas, Texas 75390 9035, USA
J Acoust Soc Am 119:2351-62. 2006..Specifically, analytical results predicted that phonation threshold pressure (Pth) increases with the viscous shear properties of the vocal fold, but decreases with vocal ..
- Dependence of phonation threshold pressure and frequency on vocal fold geometry and biomechanicsZhaoyan Zhang
UCLA School of Medicine, 31 24 Rehabilitation Center, 1000 Veteran Avenue, Los Angeles, CA 90095 1794, USA
J Acoust Soc Am 127:2554-62. 2010Previous studies show that phonation onset occurs as two eigenmodes of the vocal folds are synchronized by the interaction between the vocal folds and the glottal flow...
- Phonation threshold pressure across the pitch range: preliminary test of a modelNancy Pearl Solomon
Army Audiology and Speech Center, Walter Reed Army Medical Center, Washington, DC 20307 5001, USA
J Voice 21:541-50. 2007This study sought to examine the specific relationship between phonation threshold pressure (PTP) and voice fundamental frequency (F(0)) across the pitch range...
- Modeling the role of nonhuman vocal membranes in phonationP Mergell
Department of Phoniatrics and Pedaudiology, University Erlangen Nuremberg, Germany
J Acoust Soc Am 105:2020-8. 1999..that vocal membranes of an optimal angle and length can substantially lower the subglottal pressure at which phonation is supported, thus increasing vocal efficiency, and that this effect is most pronounced at high frequencies...
- A computational study of the effect of false vocal folds on glottal flow and vocal fold vibration during phonationXudong Zheng
Department of Mechanical and Aerospace Engineering, The George Washington University, Suite T729, 801 22nd Street, Philips Hall, NW, Washington, D C 20052, USA
Ann Biomed Eng 37:625-42. 2009..However, the effects of false vocal folds on the vocal fold vibration and the glottal aerodynamic during phonation remain unclear...
- Influence of flow separation location on phonation onsetZhaoyan Zhang
UCLA School of Medicine, 31 24 Rehabilitation Center, 1000 Veteran Avenue, Los Angeles, California 90095 1794, USA
J Acoust Soc Am 124:1689-94. 2008The influence of flow separation location on eigenmode synchronization and phonation onset was investigated in a two-dimensional, aeroelastic, continuum model of phonation...
- Phonation threshold pressure predictions using viscoelastic properties up to 1,400 Hz of injectables intended for Reinke's spaceSarah A Klemuk
Department of Communication Sciences and Disorders, The University of Iowa, 334B SHC, Iowa City, IA 52242, USA
Laryngoscope 120:995-1001. 2010..carbomer and well-known vocal fold injectables at vocalization frequencies using established and new instrumentation, and 2) to predict phonation threshold pressures using a computer model with intended placement in Reinke's space.
- A coupled sharp-interface immersed boundary-finite-element method for flow-structure interaction with application to human phonationX Zheng
Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD 21218, USA
J Biomech Eng 132:111003. 2010..The FSI solver is used to simulate flow-induced vibrations of the vocal folds during phonation. Both two- and three-dimensional models have been examined and qualitative, as well as quantitative comparisons, ..
- Effects of surgery on the phonation threshold pressure in patients with vocal fold polypsTyng Guey Wang
Department of Rehabilitation, National Taiwan University Hospital and National Taiwan University, College of Medicine, Taipei, Taiwan
J Formos Med Assoc 109:62-8. 2010There are few objective measurements to assess the results of surgery for vocal fold polyps. This study investigated the effects of surgery on the phonation threshold pressure (PTP) in patients with vocal fold polyps.
- Immediate recurrent laryngeal nerve reconstruction and vocal outcomeEiji Yumoto
Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kumamoto University, Kumamoto, Japan
Laryngoscope 116:1657-61. 2006..Phonatory function (stroboscopy, maximum phonation time [MPT], mean airflow rate [MFR], harmonics-to-noise ratio [HNR], jitter, and shimmer) was followed for at ..
- Disentangling the effects of phonation and articulation: hemispheric asymmetries in the auditory N1m response of the human brainHannu Tiitinen
Apperception and Cortical Dynamics, Department of Psychology, University of Helsinki, POB 9, FIN 00014, Finland
BMC Neurosci 6:62. 2005..how the spectral cues caused by articulation are reflected in cortical speech processing when combined with phonation, the other major part of speech production manifested as the fundamental frequency (F0) and its harmonic integer ..
- Botulinum toxin injection and airflow stability in spasmodic dysphoniaGiovanna Cantarella
Department of Otolaryngology, Fondazione Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, IRCCS, Pad Alfieri, Via Commenda 10, 20122 Milan, Italy
Otolaryngol Head Neck Surg 134:419-23. 2006..The aim of this study was to analyze the effects of botulinum toxin (BT) injection on airflow stability, by measuring mean phonatory oral airflow and its coefficient of variation (CV), in subjects with adductor spasmodic dysphonia (SD)...
- Usefulness of laryngeal phonation CT in the diagnosis of vocal cord paralysisBum Soo Kim
Department of Radiology, Kangnam St Mary s Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
AJR Am J Roentgenol 190:1376-9. 2008The purpose of this study was to determine the effectiveness of laryngeal phonation CT for the diagnosis of vocal cord paralysis by examining the physiologic and functional changes in the larynx during vowel phonation in patients with ..
- Dynamic B-mode ultrasound imaging of vocal fold vibration during phonationChen Gia Tsai
Graduate Institutes of Musicology, National Taiwan University, Taipei, Taiwan
Ultrasound Med Biol 35:1812-8. 2009..This is, to the best of our knowledge, the first time that vocal fold vibration physiology has been studied using B-mode imaging and Echo-PIV...
- Noninvasive assessment of laryngeal phonation function using color Doppler ultrasound imagingT Y Hsiao
Department of Otolaryngology, National Taiwan University Hospital, Taipei, Taiwan
Ultrasound Med Biol 27:1035-40. 2001..Therefore, the CDI could be used as a potential tool for assessing the phonation function in the larynx nonintrusively.
- Nonlinear source-filter coupling in phonation: theoryIngo R Titze
Department of Speech Pathology and Audiology, The University of Iowa, Iowa City, Iowa 52242, USA
J Acoust Soc Am 123:2733-49. 2008A theory of interaction between the source of sound in phonation and the vocal tract filter is developed...
- Computational aeroacoustics of phonation, part I: Computational methods and sound generation mechanismsWei Zhao
Department of Surgery, University of Wisconsin Medical School, Madison 53792-7375, USA
J Acoust Soc Am 112:2134-46. 2002The aerodynamic generation of sound during phonation was studied using direct numerical simulations of the airflow and the sound field in a rigid pipe with a modulated orifice...
- Influence of vocal fold scarring on phonation: predictions from a finite element modelDavid A Berry
Laryngeal Dynamics Laboratory, Division of Head and Neck Surgery, David Geffen School of Medicine, The University of California, Los Angeles, Los Angeles, California, USA
Ann Otol Rhinol Laryngol 114:847-52. 2005OBJECTIVES: A systematic study of the influence of vocal fold scarring on phonation was conducted...
- Fragments of a Greek Trilogy: impact on phonationCarol Ferrone
Department of Biobehavioral Studies, Teachers College, Columbia University, New York, New York, USA
J Voice 18:488-99. 2004..Measurements taken included maximum phonational range; maximum sustained phonation; fundamental frequency during reading; maximum intensity levels; sound pressure levels for soft, moderate, and ..
- The emergence of mature gestural patterns in the production of voiceless and voiced word-final stopsSusan Nittrouer
Utah State University, USA
J Acoust Soc Am 117:351-64. 2005..Finally, context effects (isolation or sentence) showed that the acoustic correlates of syllable-final voicing are attenuated when words are produced in sentences, rather than in isolation...
- The speaker's formantIrene Velsvik Bele
Faculty of Education, Volda University College, Volda, Norway
J Voice 20:555-78. 2006..trained voices had a higher energy level in the SPF region compared with the untrained, significantly so in loud phonation. The SPF seemed to be related to both sufficiently strong overtones and a glottal setting, allowing for a ..
- [Acoustic analysis of prosody in females with Parkinson's disease: comparison with normal controls]Luciana L Azevedo
, , , Universidade Federal de Minas Gerais, Porto, Portugal
Arq Neuropsiquiatr 61:999-1003. 2003..The latter is consistent with a compensatory attempt to overcome the latter...
- Evaluating the influence of warmup on singing voice quality using acoustic measuresOfer Amir
Department of Communication Disorders, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
J Voice 19:252-60. 2005..05). The results of this study provide valid support for the advantageous effect of vocal warmup on voice quality and present acoustic analysis as a valuable and sensitive tool for quantifying this effect...
- [Acoustic analysis of prosody in females with Parkinson's disease: effect of L-dopa]Luciana L Azevedo
, , , Universidade Federal de Minas Gerais, Porto, Portugal
Arq Neuropsiquiatr 61:995-8. 2003..These results suggest that non-dopaminergic systems are probably involved in the pathogenesis of prosody changes in PD. They also indicate that therapies other than dopaminergic agents are warranted to treat speech abnormalities in PD...
- Laryngeal function and vocal fatigue after prolonged reading in individuals with unilateral vocal fold paralysisLisa N Kelchner
University of Cincinnati, Cincinnati, Ohio 45267 0394, USA
J Voice 17:513-28. 2003..Maximum phonation times for comfort and low pitches significantly decreased during posttests...
- The effects of fundamental frequency level on voice onset time in normal adult male speakersChristopher R McCrea
Florida State University, Tallahassee, USA
J Speech Lang Hear Res 48:1013-24. 2005..The findings indicated that researchers must take into account the F(0) level at which voiceless stop VOT is measured...
- Ventricular fold vibration in voice production: a high-speed imaging study with kymographic, acoustic and perceptual analyses of a voice patient and a vocally healthy subjectPer Ake Lindestad
Department of Logopedics and Phoniatrics, Karolinska University Hospital Huddinge, Stockholm, Sweden
Logoped Phoniatr Vocol 29:162-70. 2004..man with chronic laryngitis and one vocally healthy man, were examined during pressed and breathy sustained phonation. Perceived roughness in the voice quality correlated to irregularities in true vocal fold vibrations as well as ..
- Measurement of vocal doses in speech: experimental procedure and signal processingJan G Svec
National Center for Voice and Speech, The Denver Center for the Performing Arts, 1245 Champa Street, Denver, CO 80204, USA
Logoped Phoniatr Vocol 28:181-92. 2003..The doses measure the vocal load and can be used for studying the effects of vocal fold tissue exposure to vibration...
- Analysis of fundamental frequency, jitter, shimmer and vocal intensity in children with phonological disordersHaydée F Wertzner
Department of Physical Therapy, Speech and Hearing Therapy, Occupation Therapy, Medical School, University of Sao Paulo
Braz J Otorhinolaryngol 71:582-8. 2005..The analysis of vocal parameters becomes important in the process of diagnosis of this disorder, since voice disorders could interfere in the production of speech sounds...
- Resonance strategies revealed in recorded tenor high notesHarm K Schutte
Groningen Voice Research Laboratory, Department of Biomedical Engineering, University Medical Center Groningen, Groningen, The Netherlands
Folia Phoniatr Logop 57:292-307. 2005....
- Pitch (F0) and formant profiles of human vowels and vowel-like baboon grunts: the role of vocalizer body size and voice-acoustic allometryDrew Rendall
Department of Psychology and Neuroscience, University of Lethbridge, Lethbridge, Alberta, T1K 3M4 Canada
J Acoust Soc Am 117:944-55. 2005..Implications for general vocal allometry are discussed as are implications for speech origins theories, and challenges to them, related to laryngeal position and vocal tract length...
- Immediate effects of 'voice massage' treatment on the speaking voice of healthy subjectsAnne Maria Laukkanen
Department of Speech Communication and Voice Research, University of Tampere, Tampere, Finland
Folia Phoniatr Logop 57:163-72. 2005..After VM no significant changes were observed in voice parameters or perceptual quality, but ease of phonation and reduced tension in the neck, shoulders and back were reported...
- Multidimensional voice evaluation in pretreatment glottic carcinomaNaoko Matsubara
Department of Otorhinolaryngology, Faculty of Medicine, Kyusyu University, Fukuoka, Japan
Folia Phoniatr Logop 57:173-80. 2005..included in this study involving psychoacoustic evaluation by doctors, acoustic analysis, phonogram, maximum phonation time and stroboscopy before treatment...
- G. Paul Moore lecture: lessons in phonosurgeryCharles N Ford
Division of Otolaryngology, University of Wisconsin Hospital and Clinics, Madison, WI, USA
J Voice 18:534-44. 2004
- Reliability and applicability of aerodynamic measures in dysphonia assessmentEdwin M L Yiu
Voice Research Laboratory, The University of Hong Kong
Clin Linguist Phon 18:463-78. 2004..The overlapping of data between the dysphonic and non-dysphonic groups, however, suggests that the aerodynamic measures should be used as an adjunct to assessment of voice disorders rather than as a diagnostic tool alone...
- Role of vocal tract morphology in speech development: perceptual targets and sensorimotor maps for synthesized French vowels from birth to adulthoodLucie Menard
Institut de la Communication Parlée, Université Stendhal INPG, Grenoble, France
J Speech Lang Hear Res 47:1059-80. 2004..These maps could be used by transcribers of infant speech, to complete existing systems and to provide some hints about underlying articulatory gestures recruited during growth to reach perceptual vowel targets in French...
- Two-dimensional model of vocal fold vibration for sound synthesis of voice and soprano singingSeiji Adachi
ATR Human Information Science Laboratories, 2 2 2 Hikaridai, Keihanna Science City, Kyoto 619 0288 Japan
J Acoust Soc Am 117:3213-24. 2005....
- Loud speech in realistic environmental noise: phonetogram data, perceptual voice quality, subjective ratings, and gender differences in healthy speakersMaria Södersten
Department of Logopedics and Phoniatrics, Karolinska University Hospital, Huddinge, Stockholm, Sweden
J Voice 19:29-46. 2005..Having to make oneself heard over noise resulted in higher SPL and F0, as expected, and in higher phonation time. The total reading time was slightly longer in continuous noise than in intermittent noise...
- A parametric model of the vocal tract area function for vowel and consonant simulationBrad H Story
Speech Acoustics Laboratory, Department of Speech and Hearing Sciences, University of Arizona, Tucson, Arizona 85721, USA
J Acoust Soc Am 117:3231-54. 2005..All parameters can be specified either as static or time varying, which allows for multiple levels of coarticulation or coproduction...
- Artificially lengthened and constricted vocal tract in vocal training methodsIrene Velsvik Bele
Volda University College, Faculty of Education, Volda, Norway
Logoped Phoniatr Vocol 30:34-40. 2005..Another vocal exercise technique involves lengthening the vocal tract; for example, the method of phonation into small tubes...
- Relationship between masking levels and phonatory stability in normal-speaking womenCarole T Ferrand
Department of Speech Language Hearing Sciences, Hofstra University, Hempstead, New York 11549, USA
J Voice 20:223-8. 2006..Intraindividual differences between conditions for each variable are discussed in the framework of auditory versus kinesthetic feedback...
- Suitability of acoustic perturbation measures in analysing periodic and nearly periodic voice signalsEstella P M Ma
Division of Speech Pathology, The University of Queensland, St Lucia, QLD, Australia
Folia Phoniatr Logop 57:38-47. 2005....
- Therelationship between professional operatic soprano voice and high range spectral energyJennifer J Barnes
Sydney Conservatorium of Music, The University of Sydney, Sydney, Australia
J Acoust Soc Am 116:530-8. 2004..The use of formant tuning is considered and examined...
- Perception of pitch location within a speaker's F0 rangeDouglas N Honorof
Haskins Laboratories, 270 Crown Street, New Haven, Connecticut 06511, USA
J Acoust Soc Am 117:2193-200. 2005..Regardless, the present data provide strong support for the hypothesis that listeners are able to locate an F0 reliably within a range without external context or prior exposure to a speaker's voice...
- The self-to-other ratio applied as a phonation detector for voice accumulationSvante Granqvist
Department of Speech, Music and Hearing, Royal Institute of Technology, Stockholm, Sweden
Logoped Phoniatr Vocol 28:71-80. 2003A new method for phonation detection is presented. The method utilises two microphones attached near the subject's ears. Simplified, phonation is assumed to occur when the signals appear mainly in-phase and at equal amplitude...
- Acoustic changes in student actors' voices after 12 months of trainingPeta Walzak
School of Communication Sciences and Disorders, University of Sydney, Lidcombe, NSW, Australia
J Voice 22:300-13. 2008..at the beginning of their acting course and again 12 months later using a questionnaire, interview, maximum phonation time (MPT), reading, spontaneous speaking, sustained phonation tasks, and a pitch range task...
- Resonant voice: spectral and nasendoscopic analysisCara G Smith
Department of Speech Pathology and Audiology, Wendell Johnson Speech and Hearing Center, University of Iowa, Iowa City, IA 52242-1078, USA
J Voice 19:607-22. 2005..Visual-perceptual judgments of the videoendoscopic data indicated that laryngeal vestibule constriction was not consistently associated with resonant voice production...
- Mutational falsetto: intervention outcomes in 45 patientsM Dagli
Department of Otolaryngology, Ankara Numune Training and Research Hospital, Turkey
J Laryngol Otol 122:277-81. 2008..The aim of this study was to evaluate the outcomes of therapeutic intervention in patients with mutational falsetto, by applying perceptual and acoustic analysis before and after voice therapy...
- Measures of the glottal source spectrumJody Kreiman
Division of Head and Neck Surgery, University of California, Los Angeles, School of Medicine, 31 24 Rehab Center, 1000 Veteran Avenue, Los Angeles, CA 90095 1794, USA
J Speech Lang Hear Res 50:595-610. 2007....
- Comparison of biomechanical modeling of register transitions and voice instabilities with excised larynx experimentsIsao T Tokuda
School of Information Science, Japan Advanced Institute of Science and Technology, Ishikawa, Japan
J Acoust Soc Am 122:519-31. 2007..It is concluded that the abrupt changes between chest and falsetto registers can be understood as shifts in dominance of eigenmodes of the vocal folds...
- Clinical experience with collagen injection of the vocal fold: a study of 155 patientsMiwako Kimura
Department of Otorhinolaryngology and Head and Neck Surgery, Graduate School of Medicine and Faculty of Medicine, University of Tokyo, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 8655, Japan
Auris Nasus Larynx 35:67-75. 2008..This study evaluated the results of laryngeal collagen injection...
- A role for the second subglottal resonance in lexical accessSteven M Lulich
Speech Communication Group, MIT, and Harvard MIT Division of Health Sciences and Technology, Cambridge, Massachusetts 02139, USA
J Acoust Soc Am 122:2320-7. 2007..N. Stevens, J. Phonetics 17, 3-46 (1989)]. The results support a model of lexical access in which articulatory-acoustic discontinuities subserve phonological feature identification...
- High-speed registration of phonation-related glottal area variation during artificial lengthening of the vocal tractAnne Maria Laukkanen
Department of Speech Communication and Voice Research, University of Tampere, Tampere, Finland
Logoped Phoniatr Vocol 32:157-64. 2007..The present study applies a versatile methodology to investigate phonation during varying artificial extension of the vocal tract...
- Can vocal economy in phonation be increased with an artificially lengthened vocal tract? A computer modeling studyIngo R Titze
Department of Speech Pathology and Audiology, The University of Iowa, Iowa City, IA, USA
Logoped Phoniatr Vocol 32:147-56. 2007Voiced obstruents and phonation into tubes are widely used as vocal exercises. They increase the inertive reactance of the vocal tract in the 200-1000 Hz range and thereby reinforce vocal fold vibration...
- [Voice emission and the tongue]Elzbieta Przerwa
Szpital Miejski im. Sw. Karola Boromeusza w Szczecinie al. Wyzwolenia 52, 71-586 Szczecin
Ann Acad Med Stetin 52:31-5. 2006..Normal tongue function supports to a varying extent subsequent phases of voice emission, including respiration, phonation, articulation, and resonance...
- [Voice disorders caused by neurological diseases]J Gamboa
, , 28805,
Rev Neurol 33:153-68. 2001..DEVELOPMENT: In the first part of this article we describe data regarding neural control of voice, physiology of phonation, and examination of the patient with voice disturbances, including the use of voice laboratory, acoustic ..
- A magnetic resonance imaging-based articulatory and acoustic study of "retroflex" and "bunched" American English /r/Xinhui Zhou
Speech Communication Laboratory, Institute of Systems Research, and Department of Electrical and Computer Engineering, University of Maryland, College Park, Maryland 20742, USA
J Acoust Soc Am 123:4466-81. 2008..The results suggest that the F4/F5 differences between the variants can be largely explained by differences in whether the long cavity behind the palatal constriction acts as a half- or a quarter-wavelength resonator...
- Experimental investigation of the influence of a posterior gap on glottal flow and soundJong Beom Park
Department of Mechanical Engineering, McGill University, 817 Sherbrooke Street West, Montreal, Quebec H3A 2K6, Canada
J Acoust Soc Am 124:1171-9. 2008..The presence of a posterior gap was found to significantly increase the broadband sound level produced over the frequency range in which human hearing is most sensitive...
- Age, sex, and vowel dependencies of acoustic measures related to the voice sourceMarkus Iseli
Department of Electrical Engineering, University of California, Los Angeles 90095, USA
J Acoust Soc Am 121:2283-95. 2007..For high-pitched talkers there were no significant sex dependencies of H1* - H2* and H1* - A3*. The statistical significance of these results is shown...
- Focus in production: tonal shape, intensity and word orderMartti Vainio
J Acoust Soc Am 121:EL55-61. 2007..It was also found that syntactic structure with respect to both intensity and tonal structure modulated relative prosodic prominence of individual words...
- Voice F0 responses to pitch-shifted voice feedback during English speechStephanie H Chen
Feinberg School of Medicine, Northwestern University, 440 North McClurg Ct 604, Chicago, Illinois 60611, USA
J Acoust Soc Am 121:1157-63. 2007..These findings support previous research suggesting the audio vocal system is involved in the control of suprasegmental features of English speech by correcting for errors between voice pitch feedback and the desired F0...
- [Reinke edema--helpful in unilateral recurrent laryngeal nerve paralysis?]C Kothe
Poliklinik für Hör, Stimm und Sprachheilkunde, Universitatsklinikum Hamburg Eppendorf, Germany
HNO 51:833-5. 2003..This example illustrates that in selected cases Reinke's edema can contribute to maintenance of phonation in unilateral vocal fold paralysis...
- Aerodynamic and acoustical measures of speech, operatic, and Broadway vocal styles in a professional female singerR E Stone
Vanderbilt Voice Center, Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, Tennessee, USA
J Voice 17:283-97. 2003..Formant frequencies, long-term-average spectrum, and vibrato characteristics were also studied. Characteristics of operatic style emerge as distinctly different from Broadway style, the latter being more similar to speaking...
- Aerodynamic and acoustic voice measurements of patients with vocal nodules: variation in baseline and changes across voice therapyEva B Holmberg
Karolinska Institute, Department of Logopedics and Phoniatrics, Huddinge University Hospital, Stockholm, Sweden
J Voice 17:269-82. 2003..Large individual session-to-session variation was found for all measures across pretherapy baseline recordings, which contributed to nonsignificant differences between baseline and therapy data...
- The influence of perceived sexual orientation on fricative identificationBenjamin Munson
Department of Speech Language Hearing Sciences, University of Minnesota, Minneapolis 55455, USA
J Acoust Soc Am 119:2427-37. 2006..Results suggest that listeners are sensitive to the association between fricatives' center frequencies and perceived sexual orientation in women's voices, but not in men's voices...
- [VOT analysis in cleft palate patients after surgery]M J Gámiz
Hospital de Poniente, El Ejido, Almeria
Cir Pediatr 19:27-32. 2006..Also VOT measures were influenced by cleft lip and delay in beginning of ortodoncy. Hearing loss is associated with increased VOT. Our results are based in a correct sample and statistical analysis by multiple lineal regression...
- Voice low tone to high tone ratio: a potential quantitative index for vowel [a:] and its nasalizationGuo She Lee
Department of Otolaryngology, I Lan Hospital, Department of Health ROC, I Lan 260, Taiwan, ROC
IEEE Trans Biomed Eng 53:1437-9. 2006..76, p < 0.01), as well. We conclude that VLHR may become a potential quantitative index of hypernasal speech and can be applied in either basic or clinical studies...
- Vocal dose measures: quantifying accumulated vibration exposure in vocal fold tissuesIngo R Titze
University of Iowa, Iowa City, USA
J Speech Lang Hear Res 46:919-32. 2003..amount of heat dissipated over a unit volume of vocal fold tissues; and time dose, which accumulates the total phonation time...
- Lexical frequency and voice assimilationMirjam Ernestus
Max Planck Institute for Psycholinguistics, Radboud University Nijmegen, Wundtlaan 1, 6525 XD Nijmegen, The Netherlands
J Acoust Soc Am 120:1040-51. 2006..A higher frequency leads not only to acoustic reduction but also to more assimilation...
- On vowel height and consonantal voicing effects: data from ItalianAnna Esposito
Wright State University, Dayton, Ohio 45435, USA
Phonetica 59:197-231. 2002....
- Acoustic measures and self-reports of vocal fatigue by female teachersAnne Maria Laukkanen
Department of Speech Communication and Voice Research, University of Tampere, Tampere, Finland
J Voice 22:283-9. 2008..text reading sample was recorded at habitual loudness and loudly (as in large classroom), (2) a prolonged phonation on [a:] was recorded at habitual speaking pitch and loudness, and (3) a questionnaire about voice quality, ease, ..
- High-speed video analysis of the phonation onset, with an application to the diagnosis of functional dysphoniasT Braunschweig
University Hospital Jena, Department of Phoniatrics and Pediatric Audiology, Stoystr 3, 07743 Jena, Germany
Med Eng Phys 30:59-66. 2008..Using digital high-speed recordings, the phonation onset process was recorded in real-time for 8-10 different sound pressure levels for each subject...
- Volumetric measurements of vocal tracts for male speakers from different racesSteve An Xue
Human Vocal Tract Lab, Department of Speech and Hearing Sciences, Portland State University, Portland, OR 97207 0751, USA
Clin Linguist Phon 20:691-702. 2006..The study has provided speech scientists, speech-language pathologists, linguists and other health professionals with a new and preliminary acoustic and physiological database for adult male speakers from these three different races...
- Source and filter adjustments affecting the perception of the vocal qualities twang and yawnIngo R Titze
Department of Speech Pathology and Audiology, National Center for Voice and Speech, The University of Iowa, Iowa City 52242, USA
Logoped Phoniatr Vocol 28:147-55. 2003..Listeners demonstrated variable perceptions in both continua with poor inter-subject, intra-subject, and inter-group reliability...
- Functional anatomy of the upper airwayI R Morris
Department of Anaesthesia, Dalhousie University, Halifax, Nova Scotia, Canada
Emerg Med Clin North Am 6:639-69. 1988..It is also involved in phonation. Orotracheal intubation can be used as an alternative to nasal intubation to achieve airway protection and ..
- Supraglottic activity: evidence of vocal hyperfunction or laryngeal articulation?S V Stager
Voice Treatment Center, The George Washington University Medical Center, Washington, DC, USA
J Speech Lang Hear Res 43:229-38. 2000..were recorded using flexible videoendoscopy while a subject was performing speech tasks such as sustained phonation, syllable repetitions, sentence imitations, and conversation...
- Long-term impact of tongue reduction on speech intelligibility, articulation and oromyofunctional behaviour in a child with Beckwith-Wiedemann syndromeK M Van Lierde
Department of Otorhinolaryngology, Head and Neck Surgery and Speech Language Pathology, University Hospital, 2P1 De Pintelaan 185, 9000 Gent, Belgium
Int J Pediatr Otorhinolaryngol 74:309-18. 2010..Furthermore the present study is meant as a contribution to the further delineation of the phonation, resonance, articulation and language characteristics and oral behaviour in a child with BWS...
- Recurrent laryngeal nerve damage and phonetic modifications after total thyroidectomy: surgical malpractice only or predictable sequence?Lodovico Rosato
Department of Surgery, Endocrine Surgical Unit, Ivrea Hospital, Piazza della Credenza, Ivrea, 2 10015, Italy
World J Surg 29:780-4. 2005Modifications of phonation occurring after total thyroidectomy (TT) are usually attributed to surgical malpractice, but other causes of voice impairment even in nonoperated subjects should also be taken into account...
- [Study of mechanisms of lightening aspiration and increasing decannulation rate in anastomosis of cricoid cartilage and base of tongue (epiglottis)]Z Pan
Department of Otorhinolaryngology, First Affiliated Hospital, China Medical University, Shenyang 110001, China
Zhonghua Er Bi Yan Hou Ke Za Zhi 35:475-8. 2000..To study laryngopharyngeal anastomosis and fixing methods of super-cricoid laryngectomy with reconstruction of functions in lightening aspiration and increasing decannulation rate...
- Imaging of head and neck tumors--methods: CT, spiral-CT, multislice-spiral-CTU Baum
Institute of Diagnostic Radiology Friedrich Alexander University of Erlangen Nuremberg, Maximiliansplatz 1, D 91054, Erlangen, Germany
Eur J Radiol 33:153-60. 2000..Additional functional CT imaging during i-phonation and/or Valsalva's maneuver are of great importance to prove vocal cords mobility...
- The prevalence and risk factors for occupational voice disorders in teachersM Sliwinska-Kowalska
Centre of Audiology and Phoniatrics, Nofer Institute of Occupational Medicine, Lodz, Poland
Folia Phoniatr Logop 58:85-101. 2006..The aim of the study was to assess the prevalence of voice problems in the general population of Polish teachers, and identify risk factors for developing voice pathology...
- [Subjective and objective assessment of voice quality after surgical treatment of overgrowth changes in vocal folds]Jan Ratajczak
Wojskowy Instytut Medyczny, Klinika Otolaryngologii CSK MON, Warszawie
Pol Merkur Lekarski 19:327-30. 2005..of ill larynx with overgrowth changes of vocal folds and comparison of usefulness different methods of research phonation function of larynx, and also estimation of influence disturbances of voice on functional state, emotional and ..
- Voice quality of prepubescent children with quiescent recurrent respiratory papillomatosisJonathan P Lindman
Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35243, USA
Int J Pediatr Otorhinolaryngol 68:529-36. 2004..The purpose of this study was to assess the long-term impact of recurrent respiratory papillomatosis (RRP) and its treatment on voice quality in prepubescent children...
- Preliminary considerations on the application of the voice handicap index to paediatric dysphoniaA Schindler
Department of Clinical Sciences L Sacco, University of Milan, Italy
Acta Otorhinolaryngol Ital 27:22-6. 2007..ratings (size of nodule/ oedema or glottic closure in the case of recurrent laryngeal paralysis), maximum phonation time, GIRBAS scale, spectrograms and a perturbation analysis...
- Voice rehabilitation with Provox2 voice prosthesis following total laryngectomy for laryngeal and hypopharyngeal carcinomaTomonori Terada
Department of Otolaryngology, Hyogo College of Medicine, 1 1 Mukogawa cho, Nishinomiya City, Hyogo 663 8501, Japan
Auris Nasus Larynx 34:65-71. 2007..To analyze the effectiveness of the Provox2 voice prosthesis for voice rehabilitation following total laryngectomy...
- [Unilateral laryngeal paralysis]Slobodan Mitrovic
Klinika za bolesti uva, grla i nosa, Klinicki centar, Novi Sad
Med Pregl 56:59-62. 2003Phoniatric rehabilitation is mainly aimed at restoring satisfactory phonation. Voice quality depends on the capacity of intact vocal cords to compensate the deficiency involved, as well as on automatism of phonation.
- Myasthenia gravis mimicking unilateral vocal fold paralysis at presentationD M Hartl
Otolaryngology and Head and Neck Surgery, Institute Gustave Roussy, Villejuif, France
J Laryngol Otol 121:174-8. 2007..To demonstrate the importance of detailed clinical analysis in the differential diagnosis of unilateral vocal fold paralysis, and to provide an update on current knowledge and treatment of myasthenia gravis...
- Coordination of Respiration with Deglutition & Phonation in Ataxia-TelangiectasiaMaureen Lefton Greif; Fiscal Year: 2007..will exhibit disruptions in the temporal relationships between respiration-deglutition and between respiration-phonation. The following specific aims will be addressed: Specific Aim #1...
- The Relationship between Vortices, Acoustics, and Vibration in Vocal Fold AssymetSiddarth Khosla; Fiscal Year: 2009..Looking forward, the study of phonation at this resolution will synergize well with advancing technologies in laryngeal imaging, such as videokymography ..
- The Relationship between Vortices, Acoustics, and Vibration in Vocal Fold AssymetSIDDARTH MITTER KHOSLA; Fiscal Year: 2010..Looking forward, the study of phonation at this resolution will synergize well with advancing technologies in laryngeal imaging, such as videokymography ..
- Molecular mechanisms of aging in the intrinsic laryngeal musclesColleen McMullen; Fiscal Year: 2007..The larynx is part of a complex motor system that serves dually as the vibratory source of phonation and as a valve that separates and protects the airway from the digestive tract...
- TRANSMISSION OF RESPIRATORY DRIVE TO MOTONEURONSJACK FELDMAN; Fiscal Year: 2002..and episodic inputs to produce an output that results in contraction of the diaphragm that subserves breathing, phonation, emesis, defecation, etc...
- Influence of subglottic anatomy on voice productionScott L Thomson; Fiscal Year: 2010..Aim 2: Explore the influence of subglottic anatomy on structural, acoustic, and aerodynamic aspects of phonation using complementary synthetic and computational models...
- A Simulator for Sound Production in AirwaysIngo Titze; Fiscal Year: 2007..many fragmentary efforts presently ongoing in fluid mechanics, acoustics, and biomechanics of respiration and phonation. Sound production in airways is an integral part of understanding not only vocalization, but also sounds related ..
- REGULATION OF VOCAL FOLD HYDRATION AND PHONATIONKimberly Fisher; Fiscal Year: 2003..The research plan aims to test the overall hypothesis that the ease of phonation can be regulated by selectively increasing or decreasing vocal fold hydration, epithelial cell volume and ..
- Flow Visualization in the Canine Larynx During PhonationSiddarth Khosla; Fiscal Year: 2006..In addition the candidate will develop his own computational model of airflow in the canine larynx during phonation. The coursework will be supplemented by tutorials in speech science given by the candidate?s mentor, Dr...
- Influence of surface adhesion forces on vocal fold stress and functionScott Thomson; Fiscal Year: 2007..Specific Aim 3: Investigate sensitivity of vocal fold stress and function during phonation to airway surface liquid properties using computational vocal fold models...
- Quantitative Descriptions of Vocal Fold DynamicsDavid Berry; Fiscal Year: 2006..Berry proposes to augment these studies and extend their applicability to human phonation by addressing the following Specific Aims: (1) Investigate the influence of glottal geometry on the basic ..
- Interaction Affecting Craniofacial Muscle DifferentiatioDrew Noden; Fiscal Year: 2004..in their development contribute to a wide range of problems in vision, facial expression, mastication, and phonation. However, little is known about processes controlling the differentiation and maturation of branchial and extra-..
- EFFICACY OF VOICE TREATMENT FOR PARKINSONS DISEASELorraine Ramig; Fiscal Year: 2001The long-term objectives of this research are to evaluate the role of phonation in enhancing oral communication in patients with motor speech disorders and to document fundamental mechanisms associated with treatment- related change...
- Aerodynamic and Acoustic Models of PhonationRonald Scherer; Fiscal Year: 2007Project summary: Phonation is a component of speech communication, with a highly complex interplay of physiological and physical properties...