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Journal articles on the topic 'Nasal speech'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Maddieson, Ian. "Prenasalized stops and speech timing." Journal of the International Phonetic Association 19, no. 2 (1989): 57–66. http://dx.doi.org/10.1017/s0025100300003856.

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Prenasalized stops, that is, homorganic nasal+stop elements that behave as single phonological segments, raise a number of interesting questions concerning the relationship between phonological units and timing in speech. Do complex phonetic elements of this kind occupy the same duration as simpler elements, such as plain stops or nasals? Do prenasalized stops have the same timing pattern as a phonological sequence of nasal plus stop? How do prenasalized stops act with respect to rules which adjust the duration of neighboring segments? For example, would a vowel before a prenasalized stop be s

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2

Saleem, Muzaina Awny. "Nasal Assimilation in Standard Arabic With Reference To English/ A Phonological Analysis." Journal of Tikrit University for Humanities 29, no. 1, 1 (2022): 57–73. http://dx.doi.org/10.25130/jtuh.29.1.1.2022.25.

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The present study deals with nasal consonants in modern standard Arabic . Modern standard Arabic ; that is used by broadcasters, newspapers and also used in Arabic movies. The study concentrates on nasal consonant manner in connected speech . The study hypothesizes that : (1) Arabic nasals are highly-sensitive i.e. they are liable to be assimilated in place to the following non nasal consonants . (2) Nasal assimilation in nasal consonants (NC )sequences is always regressive. (3) Variants of nasals are highly expected in Arabic. The conclusions show that Arabic nasals consonant especially

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3

Hou, Peng, and Sarawut Kraisame. "Interlanguage Phonology and Accentedness: An Experimental Study of Thai Final Nasal Consonants in Chinese Students Learning Thai." rEFLections 30, no. 2 (2023): 318–36. http://dx.doi.org/10.61508/refl.v30i2.267216.

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This paper provides an experimental study of interlanguage phonological characteristics of Chinese students learning Thai as a foreign language and the accentedness perceived by native Thai speakers. Both production and perception experiments were designed to see how Chinese students acoustically produced Thai final nasal consonants and how Thai native speakers perceived these Chinese-accented nasals. The production experiment compared the acoustic features of Thai final nasal consonants (i.e. /m/, /n/, and /ŋ/) produced by Chinese students and native Thai speakers (n = 5 in each group), who p

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4

Smith, Jennie, Tim Pring, and Debbie Sell. "Speech Methodologies in Cleft Palate Assessment: A Pilot Project to Compare Two Phonetically Different Sentence Sets." Journal of Clinical Speech and Language Studies 20, no. 1 (2013): 49–72. http://dx.doi.org/10.3233/acs-2013-20106.

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Objective: To investigate the impact of the phonetic content of two sentence sets on speech outcomes, specifically the effects of nasal phonemes. Method: Audio-video recordings of a consecutive series of 15 participants (age range 4–22 years), with cleft palate (syndromic or non-syndromic), with and without velopharyngeal dysfunction were taken. Participants repeated Sentence Set 1 (with nasals across sentences) and Sentence Set 2 (without nasals except the three nasal target sentences) during a routine speech recording. Two experienced Specialist Speech and Language Therapists, blinded to the

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Miller, Wanda L., and Sandra L. Hamlet. "Nasal Consonants in Esophageal Speech." Journal of Speech and Hearing Disorders 53, no. 1 (1988): 108–11. http://dx.doi.org/10.1044/jshd.5301.108.

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Nasalization of nasal consonants was measured using the ratio of a nasal accelerometer signal amplitude to air-borne microphone signal amplitude. Utterances produced by 3 esophageal speakers were studied. Word position (and time following air injection) of the nasal consonants was varied. Degree of nasal resonance was dependent on word position, with significantly higher values for word-final than for word-initial position.

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6

Park, Janette, Jeung-Yoon Choi, and Stefanie Shattuck-Hufnagel. "Automatic detection of nasal closure and nasal release landmark acoustic cues." Journal of the Acoustical Society of America 155, no. 3_Supplement (2024): A337. http://dx.doi.org/10.1121/10.0027732.

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This study describes the detection of nasal closure and nasal release landmarks, as part of a larger system for speech recognition based on acoustic cues. Landmarks are produced as a result of closures and releases in the oral region and are indicated by abrupt changes in the speech signal. Nasal closure and release landmarks have proven particularly challenging to detect and are the focus of this report. The process for implementing the nasal detection module includes extracting and processing a set of speech-related measurements, such as formant frequencies, spectral band energies, and their

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7

Sharma, Nikhil Kumar, Itishree Pradhan, Abhishek Gaur, Devendra Chopra, and Pratibha Yadav. "Prosthetic treatment of velopharyngeal insufficiency patient: A case report." Asian Journal of Oral Health and Allied Sciences 14 (June 8, 2024): 7. http://dx.doi.org/10.25259/ajohas_30_2023.

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When the velopharyngeal valve exhibits an inability to autonomously close due to either insufficient tissue (velopharyngeal insufficiency) or inadequate movement (velopharyngeal incompetence), it leads to velopharyngeal dysfunction. Indications of this dysfunction encompass nasal liquid regurgitation, excessive nasal speech, nasal escape, speech articulation issues, and compromised speech comprehensibility. Managing velopharyngeal insufficiency through prosthetic intervention necessitates a closely coordinated effort between an otolaryngologist and a speech pathologist. This collaborative appr

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Basset, Patricia, Angélique Amelot, Jacqueline Vaissière, and Bernard Roubeau. "Nasal airflow in French spontaneous speech." Journal of the International Phonetic Association 31, no. 1 (2001): 87–99. http://dx.doi.org/10.1017/s0025100301001074.

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The goal of this paper is to compare the degree of anticipatory and carryover phenomena in the behaviour of the velum during the production of French spontaneous speech, and to compare the data with the same speech material, but read. Airflows through the nose and the mouth were taken as an indirect indication of the velum behaviour. French is a language of special interest because there is a phonological contrast between oral and nasal vowels. The results show a tendency for nasal airflow to start before the nasal and a strong propensity to spread after the nasal. No differences could be esta

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9

Brasher, Anthony. "Nasal coarticulation in clear speech." Journal of the Acoustical Society of America 126, no. 4 (2009): 2181. http://dx.doi.org/10.1121/1.3248527.

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10

Kirk, Edwin P. "‘Nasal’ speech–hyper or hypo?" European Journal of Human Genetics 20, no. 4 (2011): 367. http://dx.doi.org/10.1038/ejhg.2011.228.

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11

Lo, Justin J. H. "Nasal coarticulation in Lombard speech." Speech Communication 169 (April 2025): 103205. https://doi.org/10.1016/j.specom.2025.103205.

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12

Warren, Donald W., Amelia F. Drake, and Jefferson U. Davis. "Nasal Airway in Breathing and Speech." Cleft Palate-Craniofacial Journal 29, no. 6 (1992): 511–19. http://dx.doi.org/10.1597/1545-1569_1992_029_0511_naibas_2.3.co_2.

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Clefts of the lip and palate frequently produce nasal deformities that tend to reduce the size of the nasal airway. Approximately 70% of the cleft population have nasal airway impairment and about 80% “mouth-breathe” to some extent. Surgical correction of nasal, palatal, and pharyngeal structures may further compromise breathing. Type of cleft appears to affect airway size, with unilateral clefts demonstrating the smallest airway. Although a pharyngeal flap may further decrease airway size, some individuals do not notice a postoperative change because of airway compromise prior to flap placeme

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13

Georgievska-Jancheska, Tatjana. "The Relationship between the Type of Cleft and Nasal Air Emission in Speech of Children with Cleft Palate or Cleft Lip and Palate." Open Access Macedonian Journal of Medical Sciences 7, no. 3 (2019): 352–57. http://dx.doi.org/10.3889/oamjms.2019.145.

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BACKGROUND: Cleft palate, due to damage of the soft palate, leads to dysfunction, i.e., inappropriate closure of the velopharynx during speech production, thus resulting in velopharyngeal insufficiency which characterises with hypernasal speech and nasal air loss/emission during speech production. AIM: To establish the relationship between the type of cleft according to the Veau classification and the degree of nasal air emission in the speech of patients with cleft using auditory-visual perceptual assessment procedures. MATERIAL AND METHODS: A group of 40 patients with irregular s

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14

Lester, Rosemary A., and Jeannette D. Hoit. "Nasal and Oral Inspiration During Natural Speech Breathing." Journal of Speech, Language, and Hearing Research 57, no. 3 (2014): 734–42. http://dx.doi.org/10.1044/1092-4388(2013/13-0096).

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Purpose The purpose of this study was to determine the typical pattern for inspiration during speech breathing in healthy adults, as well as the factors that might influence it. Method Ten healthy adults, 18–45 years of age, performed a variety of speaking tasks while nasal ram pressure, audio, and video recordings were obtained. Inspirations were categorized as nasal-only, oral-only, simultaneous nasal and oral, or alternating nasal and oral inspiration. The method was validated using nasal airflow, oral airflow, audio, and video recordings for 2 participants. Results The predominant pattern

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15

Georgievska-Jancheska, Tatjana, Juliana Gjorgova, and Mirjana Popovska. "The Role of the Velopharyngeal Sphincter in the Speech of Patients with Cleft Palate or Cleft Lip and Palate Using Perceptual Methods." Open Access Macedonian Journal of Medical Sciences 4, no. 4 (2016): 674–79. http://dx.doi.org/10.3889/oamjms.2016.137.

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BACKGROUND: The velopharyngeal sphincter (VPS) plays the main role in speech formation. The cleft palate, due to the damage of the soft palate, leads to dysfunction of the velopharyngeal sphincter thus causing speech disorder.AIM: To establish a link between the nasal air escape and the perceptual symptoms in the speech of patients with cleft palate or cleft lip and palate using auditory-visual perceptual procedures for determining the influence the velopharyngeal dysfunction has on speech.MATERIAL AND METHODS: Twenty patients with speech disorders, out of which 10 have cleft palate or cleft l

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16

Castick, Sarah, Rachael-Anne Knight, and Debbie Sell. "Perceptual Judgments of Resonance, Nasal Airflow, Understandability, and Acceptability in Speakers with Cleft Palate: Ordinal versus Visual Analogue Scaling." Cleft Palate-Craniofacial Journal 54, no. 1 (2017): 19–31. http://dx.doi.org/10.1597/15-164.

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Objective To investigate the reliability of ordinal versus visual analogue scaling (VAS) ratings for perceptual judgments of nasal resonance, nasal airflow, understandability, and acceptability in speakers with cleft palate. Design Within-subjects comparative study. Setting Multisite. Participants Five specialist speech and language therapists from U.K. Regional Cleft Centres. Outcome Measures Participants rated 30 audio speech samples obtained from the Speech and Language Therapy archives of Great Ormond Street Hospital. They rated the identified speech parameters using each scaling method, w

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17

Sweeney, Triona, Pam Grunwell, Margaret Leahy, James Malone, and Debbie Sell. "Nasality and Nasal Airflow – Definition of Terms." Journal of Clinical Speech and Language Studies 6, no. 1 (1996): 65–76. http://dx.doi.org/10.3233/acs-1996-6106.

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Disorders of nasality and nasal airflow present many problems for the team working with speech problems associated with cleft palate and palatal anomalies. Bzoch (1989) states that the concept of nasality must be restricted by definition. In this paper nasality and nasal airflow are described for clinical and research purposes, and developed for clinical analysis of speech disorders associated with atypical oro-nasal structure and function. Here nasality refers to perceived nasal resonance at a suprasegmental level and nasal airflow refers to audible nasal airflow perceived at a segmental leve

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18

Zajac, David J., Robert Mayo, Ryuta Kataoka, and James Y. Kuo. "Aerodynamic and Acoustic Characteristics of a Speaker with Turbulent Nasal Emission: A Case Report." Cleft Palate-Craniofacial Journal 33, no. 5 (1996): 440–44. http://dx.doi.org/10.1597/1545-1569_1996_033_0440_aaacoa_2.3.co_2.

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Aerodynamic and acoustic characteristics were determined from the speech of an adult female with mild mental retardation and severe velopharyngeal inadequacy. The speaker's productions of /s/ were characterized by consistent nasal grimacing and turbulent air emission. Aerodynamic assessment estimated the size of the velopharyngeal orifice to exceed 200 mm2 during plosive production. Nasal cross-sectional area was estimated to be 35 mm2 during quiet breathing. Nasometric evaluation indicated nasalance of 63% associated with the “Zoo” passage. Acoustic analysis of the separately recorded oral an

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19

Dotevall, Hans, Anette Lohmander-Agerskov, Hasse Ejnell, and Björn Bake. "Perceptual Evaluation of Speech and Velopharyngeal Function in Children with and without Cleft Palate and the Relationship to Nasal Airflow Patterns." Cleft Palate-Craniofacial Journal 39, no. 4 (2002): 409–24. http://dx.doi.org/10.1597/1545-1569_2002_039_0409_peosav_2.0.co_2.

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Objectives The aim was to study the relationship between perceptual evaluation of speech variables related to velopharyngeal function and the pattern of nasal airflow during the velopharyngeal closing phase in speech in children with and without cleft palate. Participants Fourteen children with cleft lip and palate or cleft palate only and 15 controls aged 7 and 10 years. All were native Swedish speakers. Method Three experienced listeners performed a blinded perceptual speech evaluation. Nasal airflow was transduced with a pneumotachograph attached to a nasal mask. The duration from peak to 5

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20

PHAM, Andrea Hoa. "Cliticization in casual speech in Vietnamese." Cahiers de Linguistique Asie Orientale 36, no. 2 (2007): 219–44. http://dx.doi.org/10.1163/19606028-90000171.

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This paper examines clitics in colloquial Vietnamese. In Vietnamese, a clitic is a syllable that appears as a reduced form in casual speech and exhibits a phonological dependency on the material to its left. Only the tone of the former function word remains, while all its segments may be replaced. If the host ends in an obstruent, the clitic surfaces as a homorganic syllabic nasal. If the host ends in a vowel or a glide, the clitic surfaces as a lengthened part of that vowel or glide, unless it has a nasal rhyme, in which case it surfaces with its own nasal.

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21

Hanafiah, Olivia Avriyanti, Kasman Manullang, Mantra Firman, and Muhammad Syafrudin Hak. "ASSESSMENT OF THE EFFECT OF PUSHBACK Z-PLASTY METHOD ON THE FUNCTION OF VELOPHARYNGEAL AND ARTICULATION IN POST-RECONSTRUCTION CLEFT PALATE PATIENTS IN HARAPAN KITA CHILDREN AND MATERNITY HOSPITAL JAKARTA." Dentika Dental Journal 20, no. 1 (2017): 1–7. http://dx.doi.org/10.32734/dentika.v20i1.700.

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Cleft palate patients experience various problems, especially those affecting their speech intelligibility, such as speech articulation disorder. The aim of this research was to prove the effect of cleft palate reconstruction with modified pushback z–plasty technique at the nasal mucosa on velopharyngeal function and articulation function in speaking. A research has been conducted on post-reconstruction cleft palate patients by using modified pushback z-plasty technique at the nasal mucosa. The methods were examining velopharyngeal components with cephalometric radiograph, assessing airflow re

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22

Kummer, Ann W., Marianne Briggs, and Linda Lee. "The Relationship between the Characteristics of Speech and Velopharyngeal Gap Size." Cleft Palate-Craniofacial Journal 40, no. 6 (2003): 590–96. http://dx.doi.org/10.1597/1545-1569_2003_040_0590_trbtco_2.0.co_2.

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Objective The purpose of this study was to examine the relationship between perceptual characteristics of hypernasality, nasal emission and nasal rustle, and size of the velopharyngeal gap. Design A retrospective medical chart review. Setting Cincinnati Children's Hospital Medical Center. Subjects Subjects were patients of the Craniofacial Anomaly Team. All were between ages 3 and 12 years and diagnosed with velopharyngeal dysfunction secondary to cleft palate ± cleft lip. A total of 173 charts were reviewed. Outcome Measures Speech characteristics were assessed perceptually by an experienced

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Dotevall, Hans, Hasse Ejnell, and Björn Bake. "Nasal Airflow Patterns during the Velopharyngeal Closing Phase in Speech in Children with and without Cleft Palate." Cleft Palate-Craniofacial Journal 38, no. 4 (2001): 358–73. http://dx.doi.org/10.1597/1545-1569_2001_038_0358_napdtv_2.0.co_2.

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Objectives: (1) To study the nasal airflow patterns during the velopharyngeal closing phase in speech produced by children with and without cleft palate. (2) To compare the nasal airflow patterns in bilabial, dental, and velar articulation in these children. Design: Prospective, cross-sectional study of a consecutive series of children with cleft palate referred for routine speech evaluation and controls. Setting: Sahlgrenska University Hospital, Göteborg, Sweden. Participants: Seventeen children with cleft lip and palate or cleft palate only and 22 controls aged 7 and 10 years. Method: Nasal

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24

Karnell, Michael P. "Nasometric Discrimination of Hypernasality and Turbulent Nasal Airflow." Cleft Palate-Craniofacial Journal 32, no. 2 (1995): 145–48. http://dx.doi.org/10.1597/1545-1569_1995_032_0145_ndohat_2.3.co_2.

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Agreement between nasalance measures and perception of nasality during speech is not consistently strong. A possible reason may be the complicating combined effects of nasal turbulent airflow and nasal resonance. The purpose of this preliminary study was to examine nasalance measures obtained during production of a low pressure speech sample designed to minimize or eliminate the effects of turbulent nasal airflow. The results showed that nasalance measures obtained as some of the subjects produced the new speech sample were significantly different from those obtained when the standard high pre

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Kummer, Ann W., Cindy Curtis, Melissa Wiggs, Linda Lee, and Janet L. Strife. "Comparison of Velopharyngeal Gap Size in Patients with Hypernasality, Hypernasality and Nasal Emission, or Nasal Turbulence (Rustle) as the Primary Speech Characteristic." Cleft Palate-Craniofacial Journal 29, no. 2 (1992): 152–56. http://dx.doi.org/10.1597/1545-1569_1992_029_0152_covgsi_2.3.co_2.

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Velopharyngeal insufficiency was assessed using multiview videofluoroscopy on eight patients with hypernasality, 10 patients with hypernasality and audible nasal emission, and 10 patients with nasal turbulence (rustle). Patients demonstrating hypernasality, with or without audible nasal emission, were found to have a significantly larger velopharyngeal gap than those with nasal rustle. This finding suggests that the degree of the velopharyngeal insufficiency can be predicted to some extent based on perceptual assessment. If the presence of a nasal rustle suggests a small velopharyngeal gap, de

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Warren, Donald W., Amelia F. Drake, and Jefferson U. Davis. "Nasal Airway in Breathing and Speech." Cleft Palate-Craniofacial Journal 29, no. 6 (1992): 511–19. http://dx.doi.org/10.1597/1545-1569(1992)029<0511:naibas>2.3.co;2.

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Brancewicz, Therese M., and Alan R. Reich. "Speech Rate Reduction and "Nasality" in Normal Speakers." Journal of Speech, Language, and Hearing Research 32, no. 4 (1989): 837–48. http://dx.doi.org/10.1044/jshr.3204.837.

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This study explored the effects of reduced speech rate on nasal/voice accelerometric measures and nasality ratings. Nasal/voice accelerometric measures were obtained from normal adults for various speech stimuli and speaking rates. Stimuli included three sentences (one obstruent-loaded, one semivowel-loaded, and one containing a single nasal), and /p/ syllable trains. Speakers read the stimuli at their normal rate, half their normal rate, and as slowly as possible. In addition, a computer program paced each speaker at rates of 1, 2, and 3 syllables per second. The nasal/voice accelerometric va

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Hoit, Jeannette D., Peter J. Watson, Kimberly E. Hixon, Patricia McMahon, and Cynthia L. Johnson. "Age and Velopharyngeal Function During Speech Production." Journal of Speech, Language, and Hearing Research 37, no. 2 (1994): 295–302. http://dx.doi.org/10.1044/jshr.3702.295.

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This investigation was designed to determine if velopharyngeal function during speech production, as reflected in measures of nasal air flow, differs with age in adults. Eighty subjects were studied, 40 women and 40 men, representing four age groups (20–30, 40–50, 60–70, and 80+ years). Results showed no age-related differences in nasal air flow. Sex-related differences in flow were found on productions of nasal consonants only. These findings do not support the suggestion of Hutchinson, Robinson, and Nerbonne (1978) that velopharyngeal function deteriorates with age.

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de Boer, Gillian, and Tim Bressmann. "Influence of Altered Auditory Feedback on Oral–Nasal Balance in Speech." Journal of Speech, Language, and Hearing Research 60, no. 11 (2017): 3135–43. http://dx.doi.org/10.1044/2017_jslhr-s-16-0390.

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Purpose This study explored the role of auditory feedback in the regulation of oral–nasal balance in speech. Method Twenty typical female speakers wore a Nasometer 6450 (KayPentax) headset and headphones while continuously repeating a sentence with oral and nasal sounds. Oral–nasal balance was quantified with nasalance scores. The signals from 2 additional oral and nasal microphones were played back to the participants through the headphones. The relative loudness of the nasal channel in the mix was gradually changed so that the speakers heard themselves as more or less nasal. An additional am

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Scarmagnani, Rafaeli Higa, Daniela Aparecida Barbosa, Ana Paula Fukushiro, Manoel Henrique Salgado, Inge Elly Kiemle Trindade, and Renata Paciello Yamashita. "Relationship between velopharyngeal closure, hypernasality, nasal air emission and nasal rustle in subjects with repaired cleft palate." CoDAS 27, no. 3 (2015): 267–72. http://dx.doi.org/10.1590/2317-1782/20152014145.

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PURPOSE: To investigate the correlation among velopharyngeal closure, hypernasality, audible nasal air emission (NAE) and nasal rustle (NR), in individuals with repaired cleft palate. METHODS: One hundred patients with repaired cleft palate and lip, submitted to pressure-flow study for measurement of velopharyngeal orifice area (velopharyngeal area) and speech sample recordings. Velopharyngeal area was estimated during the production of the sound /p/ inserted in a sentence, and the velopharyngeal closure was classified as adequate, borderline or inadequate. Hypernasality was rated using a 4-po

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Tachimura, Takashi, Hisanaga Hara, and Takeshi Wada. "Oral Air Pressure and Nasal Air Flow Rate on Levator Veli Palatini Muscle Activity in Patients Wearing a Speech Appliance." Cleft Palate-Craniofacial Journal 32, no. 5 (1995): 382–89. http://dx.doi.org/10.1597/1545-1569_1995_032_0382_oapana_2.3.co_2.

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This study was designed to determine if levator veli palatini muscle activity can be elicited by simultaneous changes in oral air pressure and nasal air flow when a speech appliance is in place. The speech appliances routinely worn by 15 subjects were each modified experimentally by drilling a hole in the vertical center of the pharyngeal bulb. The air flow rate into the nasal cavity through the opening in the bulb was altered by changing the circular area of the opening in the bulb from the occluded condition (Condition I), to circular area of 12.6 mm2 (4 mm in diameter; Condition II), and th

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Stoakes, Hywel M., Janet M. Fletcher, and Andrew R. Butcher. "Nasal coarticulation in Bininj Kunwok: An aerodynamic analysis." Journal of the International Phonetic Association 50, no. 3 (2019): 305–32. http://dx.doi.org/10.1017/s0025100318000282.

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Bininj Kunwok (BKw), a language spoken in Northern Australia, restricts the degree of anticipatory nasalization, as suggested by previous aerodynamic and acoustic analyses (Butcher 1999). The current study uses aerodynamic measurements of speech to investigate patterns of nasalization and nasal articulation in Bininj Kunwok to compare with Australian languages more generally. The role of nasal coarticulation in ensuring language compre-hensibility a key question in phonetics research today is explored. Nasal aerodynamics is measured in intervocalic, word-medial nasals in the speech of five fem

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Liu, Yinan, Mariko Hattori, and Yuka Sumita. "A technique of speech aid adjustment with the assistance of nasalance values for non-nasal and nasal sounds." International Journal of Maxillofacial Prosthetics 3, no. 1 (2020): 23–27. http://dx.doi.org/10.26629/ijmp.2020.05.

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Evaluation of speech function is essential to maxillofacial prosthetic treatment. Measurement of nasalance with a nasometer is practical and typically done to detect hypernasality in maxillofacial defect patients. This case report describes a nasalance test used in the evaluation and rehabilitation of a patient who needed a speech aid. A 70-year-old man sought help at our clinic because his old speech aid had broken. Although a new speech aid was fabricated, he continued to have difficulty speaking and breathing. A nasalance test using nasal and non-nasal test words revealed hyponasality. The

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Islam, Md Jahurul, Gillian de Boer, and Bryan Gick. "Speed of velum movement during nasal segments and rest intervals: A cineradiographic study of French and English speech." Journal of the Acoustical Society of America 151, no. 4 (2022): A64. http://dx.doi.org/10.1121/10.0010671.

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While opening/closing of the velopharyngeal port (VPP) in speech has been much studied, the speed of these movements has been largely overlooked. The present study compares opening/closing velocities of the VPP in French and English, testing relation to distance traveled and speech-related versus physiological movements. Running speech samples from nine Quebecois French speakers and four Canadian English speakers were obtained from the Université Laval X-ray videofluorography database [Munhall et al., J. Acoust. Soc. Am., 98 (2), 1222–1224 (1995)]. Using ImageJ software, we tracked VPP opening

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Carvalho-Teles, Viviane de, Maria Inês Pegoraro-Krook, and José Roberto Pereira Lauris. "Speech evaluation with and without palatal obturator in patients submitted to maxillectomy." Journal of Applied Oral Science 14, no. 6 (2006): 421–26. http://dx.doi.org/10.1590/s1678-77572006000600007.

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Most patients who have undergone resection of the maxillae due to benign or malignant tumors in the palatomaxillary region present with speech and swallowing disorders. Coupling of the oral and nasal cavities increases nasal resonance, resulting in hypernasality and unintelligible speech. Prosthodontic rehabilitation of maxillary resections with effective separation of the oral and nasal cavities can improve speech and esthetics, and assist the psychosocial adjustment of the patient as well.The objective of this study was to evaluate the efficacy of the palatal obturator prosthesis on speech i

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Bai, Fan. "Perceptual Effects of Nasal Cue Modification." Open Electrical & Electronic Engineering Journal 9, no. 1 (2015): 399–407. http://dx.doi.org/10.2174/1874129001509010399.

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Acoustic or perceptual cues used for speech perception can be very helpful in almost all areas of speech signal processing. A new methodology 3-Dimensional-Deep Search and a new visualized intelligible time-frequency computerbased model AI-gram have been developed and are being researched since the last several years (Human Speech Recognition (HSR) research group at the University of Illinois Urbana-Champaign) for isolation of stable perceptual cues of consonants. The perceptual cues of nasal consonants [1] have been successfully found considering these techniques [1]. The previous work is ext

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Bressmann, Tim, Tamara Eick, and Jennifer Pardo. "Effect of the Visual Presentation of a Craniofacial Syndrome on Speech Intelligibility in Noise." Cleft Palate-Craniofacial Journal 56, no. 8 (2019): 1038–43. http://dx.doi.org/10.1177/1055665618825403.

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Objective: Research has argued that a speaker’s facial appearance can result in an “intelligibility cost” for the listener. The study investigated whether such an intelligibility cost exists for a visible repaired cleft lip and nasal asymmetry. Setting: University department. Participants: Eight typical speakers provided speech samples. Twenty-eight naive listeners participated in a speech in noise experiment. Interventions: Listeners transcribed sentences in noise that were paired with faces of individuals with repaired cleft lip and nasal asymmetry or typical faces. They also rated speaker i

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Larasati, Astari, and Muslita Indrasari. "Prosthetic rehabilitation with framework obturator for hemimaxillectomy patient – A case report." Indonesian Journal of Prosthodontics 2, no. 1 (2021): 1–5. http://dx.doi.org/10.46934/ijp.v2i1.17.

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Postoperative hemimaxillectomy defects cause the patient to develop conditions such as nasal discharge (hypernasal speech), leakage of fluid in the nasal cavity, and deterioration of masticatory function. Thus, comprehensive rehabilitation is required to improve mastication, speech function and normal orofacial appearance. Successful prosthetic rehabilitation of postoperative hemimaxillectomy defect is a challenging procedure that requires multidisciplina- ry expertise to achieve acceptable esthetics, functional speech and swallowing outcomes. This case report describes clinical steps and labo

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Brandt, Michael G., Brian W. Rotenberg, Corey C. Moore, et al. "Impact of Nasal Surgery on Speech Resonance." Annals of Otology, Rhinology & Laryngology 123, no. 8 (2014): 564–70. http://dx.doi.org/10.1177/0003489414525595.

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Vergult, Sarah, Danijela Krgovic, Bart Loeys, et al. "Nasal speech in patients with 12q15 microdeletions." European Journal of Human Genetics 20, no. 4 (2011): 367. http://dx.doi.org/10.1038/ejhg.2011.230.

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Jung, Jae Man, Seong Tak Woo, and Ji-Wan Ha. "Characteristics of Nasal Coarticulation by Nasality Visualization System in Children with Speech Sound Disorders." Communication Sciences & Disorders 29, no. 3 (2024): 644–52. http://dx.doi.org/10.12963/csd.240060.

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Objectives: In this study, we analyzed the nasal coarticulation characteristics of children with and without speech sound disorders by comparing nasalance scores according to speech contexts. Methods: The subjects of this study were 30 children, 15 children with speech sound disorder (SSD) and 15 typically developing (TD) children, aged 4 to 6 years old. Subjects were asked to speak stimuli in different speech contexts-low vs. high vowels, nasal consonant+vowel (NV) vs. vowel+nasal consonant (VN) syllables, words vs. nonwords - and nasalance scores were measured using the Nasality Visualizatio

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Oren, Liran, Ann Kummer, and Suzanne Boyce. "Understanding Nasal Emission During Speech Production: A Review of Types, Terminology, and Causality." Cleft Palate-Craniofacial Journal 57, no. 1 (2019): 123–26. http://dx.doi.org/10.1177/1055665619858873.

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There are several different types of nasal emission that can occur during speech due to either velopharyngeal dysfunction or abnormal articulation in the pharynx. Nasal emission can be inaudible or very loud and distracting, depending on the size of the velopharyngeal opening and the physics of the flow. Nasal emission can be obligatory and/or compensatory (due to abnormal structure) or it can be caused by a misarticulation that results in a substitution of a pharyngeal sound for an oral sound, despite normal velopharyngeal structure. Nasal emission can occur on all pressure-sensitive phonemes

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Hinton, Virginia A., and Donald W. Warren. "Relationships between Integrated Oral-nasal Differential Pressure and Velopharyngeal Closure." Cleft Palate-Craniofacial Journal 32, no. 4 (1995): 306–10. http://dx.doi.org/10.1597/1545-1569_1995_032_0306_rbiond_2.3.co_2.

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Oral-nasal differential pressures are derived measures that incorporate both active (e.g., articulatory) and passive (e.g., nasal structure) components. This study was designed to examine integrated oral-nasal differential pressures in speakers with different levels of velopharyngeal closure. Integrated oral-nasal differential pressure data were obtained from 20 non cleft adults with normal speech and 166 speakers with repaired palatal clefts. Velopharyngeal competency for the cleft subjects, as determined by aerodynamic assessment, ranged from adequate to grossly incompetent. Results of the d

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Hall, Penelope K., James C. Hardy, and William E. Lavelle. "A Child with Signs of Developmental Apraxia of Speech with Whom a Palatal Lift Prosthesis was Used to Manage Palatal Dysfunction." Journal of Speech and Hearing Disorders 55, no. 3 (1990): 454–60. http://dx.doi.org/10.1044/jshd.5503.454.

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A client is described who exhibited a large number of characteristics consistent with developmental apraxia of speech (DAS). The exhibited symptoms included excessive nasal resonance and nasal emission of air due to velopharyngeal port dysfunction, for which successful management was achieved by use of a palatal lift prosthesis. The results of the client's use of the lift, in conjunction with her speech and language remedial programming, is presented.

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Nagarajan, Roopa, V. H. Savitha, and B. Subramaniyan. "Communication disorders in individuals with cleft lip and palate: An overview." Indian Journal of Plastic Surgery 42, S 01 (2009): S137—S143. http://dx.doi.org/10.1055/s-0039-1699387.

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ABSTRACTThe need for an interdisciplinary approach in the comprehensive management of individuals with cleft lip and palate is well recognized. This article provides an introduction to communication disorders in individuals with cleft lip and palate for members of cleft care teams. The speech pathologist is involved in identifying those infants who are at risk for communication disorders and also for initiating early intervention to prevent or mitigate communication disorders caused by the cleft. Even with early cleft repair, some children exhibit ‘cleft palate speech’ characterized by atypica

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Keuning, Kornelis H. D. M., George H. Wieneke, Hans A. Van Wijngaarden, and Philippe H. Dejonckere. "The Correlation between Nasalance and a Differentiated Perceptual Rating of Speech in Dutch Patients with Velopharyngeal Insufficiency." Cleft Palate-Craniofacial Journal 39, no. 3 (2002): 277–84. http://dx.doi.org/10.1597/1545-1569_2002_039_0277_tcbnaa_2.0.co_2.

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Objective: The correlation between the nasalance score and the perceptual rating of several aspects of speech of speakers with velopharyngeal insufficiency (VPI) by six speech-language pathologists was evaluated. Procedure: The overall grade of severity, hypernasality, audible nasal emission, misarticulations, and intelligibility were rated on visual analog scales. Speech samples with a normal distribution of phonemes (normal text [NT]) and those free of nasal consonants (denasal text [DT]) of 43 patients with VPI were used. Mean nasalance scores were computed for the speech samples, and Spear

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Riski, John. "Nasal airway interference: considerations for evaluation." International Journal of Orofacial Myology 14, no. 1 (1988): 11–21. http://dx.doi.org/10.52010/ijom.1988.14.1.4.

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Introduction: Respiration for speech and non-speech activities is an ongoing, adaptive process. The adaptations involved may relate to anatomical factors in the respiratory tree, or physiological demands in the environment. When the nasal cavity is not adequately patent, adjustments in oral and pharyngeal posture must take place in order to allow respiration to proceed effectively. In some instances resting oral postures may be influenced and habit response patterns may be developed. These adjustments of oral posture are the broad subject of this journal special issue. More specific to the art

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Agarwal, Pratik. "Prosthetic Rehabilitation of Velopharyngeal Incompetence." International Journal of Prosthodontics and Restorative Dentistry 7, no. 2 (2017): 71–76. http://dx.doi.org/10.5005/jp-journals-10019-1180.

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ABSTRACT Velopharyngeal (VP) dysfunction takes place when palatopharyngeal valve is unable to perform its own closing due to a lack of tissue or lack of proper movement. Insufficiency induces nasal regurgitation of liquids, hypernasal speech, nasal escape, disarticulations, and impaired speech intelligibility. Treatment options include surgical correction, prosthetic rehabilitation, and speech therapy, though optimal results often require a multidisciplinary approach. This case report describes a novel approach for rehabilitation of a patient with soft palate defect (VP incompetence). How to c

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Shopianty, Riani. "PENGARUH PENERAPAN METODE CUL-DE-SAC (NOSE PINCHING) TERHADAP KLIEN DISGLOSIA." Jurnal Teras Kesehatan 3, no. 2 (2021): 60–69. http://dx.doi.org/10.38215/jutek.v3i2.52.

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A speech disorder that occurs due to deformities of speech organs, especially articulators, is called dysglosia. The congenital deformities of speech organs of people around us result in various difficulties in communicating due to inaccuracies or inconsistencies in articulating words. One of the methods in the field of speech therapy being able to to overcome the problems including the abnormalities in sound resonance is Cul-de-sac (Nose Pinching) method. This study aimed to determine the effect of the application of the Cul-de-sac (Nose Pinching) method in increasing the awareness of Dysglos

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Ellis, Lucy, and William J. Hardcastle. "Alveolar to velar coarticulation in fast and careful speech: some preliminary observations." ZAS Papers in Linguistics 11 (September 1, 1998): 105–20. https://doi.org/10.21248/zaspil.11.1998.865.

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This paper is concerned with the articulatory details of a connected speech process - the assimilation of a word-final alveolar nasal to a following velar plosive, under conditions of varied speech rate.

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