Acoustic and Perceptual Correlates of Breathy Vocal Quality PDF Download
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Author: Ronald Allen Cleveland
Publisher:
ISBN:
Category : Voice disorders
Languages : en
Pages : 118
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Book Description
Author: Ronald Allen Cleveland
Publisher:
ISBN:
Category : Voice disorders
Languages : en
Pages : 118
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Book Description
Author: Guus de Krom
Publisher:
ISBN:
Category : Phonetics
Languages : en
Pages : 164
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : pt-BR
Pages :
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Book Description
Objetivo: investigar a qualidade vocal de um grupo de indivíduos com disfunção paradoxal de pregas vocais (DPPV) com asma em relação a um grupo de indivíduos asmáticos sem DPPV e a um grupo de indivíduos sem problemas respiratórios, segundo aspectos fonéticos (perceptivo-auditivos, acústicos e fisiológicos). Métodos: gravação de amostras de fala dos sinais acústico e eletroglotográfico de 9 indivíduos com DPPV, 8 com asma sem DPPV e 8 sem problemas respiratórios (grupo controle). O sinal acústico foi analisado do ponto de vista perceptivo-auditivo com roteiro de descrição da qualidade vocal com motivação fonética. As modalidades de análise acústica utilizadas foram os espectros de longo e curto termo. O sinal eletroglotográfico foi analisado a partir da filtragem dos registros, da inspeção da onda Lx e da extração de medidas que refletem as fases do ciclo glótico. Resultados: foram identificados, nos grupos DPPV e asma, ajustes supralaríngeos caracterizados por menor extensão e maior constrição do trato vocal. Os ajustes laríngeos indicaram hiperfunção, voz crepitante, voz áspera, escape de ar, quebras de sonoridade, diplofonia e instabilidade nos grupos DPPV e asma com maior ocorrência de ajuste de voz áspera, escape de ar e ocorrência de curto termo de instabilidade no grupo asma. Na análise acústica de longo termo houve diferenciação entre os grupos e gêneros com maior declínio espectral no grupo asma feminino e controle masculino e maior intensidade espectral no grupo DPPV, diferenciação marcada também pelas medidas espectrais de curto e longo termo. Em termos fisiológicos, na inspeção da onda Lx os grupos asma e DPPV aproximaram-se e diferenciam-se do grupo controle porque apresentaram ruído, baixa intensidade e fase fechada alongada. As medidas eletroglotográficas índice de velocidade e área do coeficiente de contato diferenciaram os grupos asma e DPPV. Conclusões: a análise dos dados contempla a hipótese de alteração vocal em pacientes com DPPV e em pacientes com asma e possibilita a descrição da qualidade vocal como um método de diagnóstico, apontando para a importante demanda de tratamento fonoaudiológico junto a estes pacientes.
Author: Rahul Shrivastav
Publisher:
ISBN:
Category : Speech perception
Languages : en
Pages : 410
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Book Description
Author: Yeong-Fen Emily Lin
Publisher:
ISBN:
Category :
Languages : en
Pages : 466
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Book Description
Author: John H. Esling
Publisher: Cambridge University Press
ISBN: 1108498426
Category : Language Arts & Disciplines
Languages : en
Pages : 327
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Book Description
Offers a new model of vocal tract articulation that explains laryngeal and oral voice quality, both auditorily and visually, through language examples and familiar voices.
Author: John Laver
Publisher: John Benjamins Publishing
ISBN: 9027209960
Category : Language Arts & Disciplines
Languages : en
Pages : 234
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Book Description
The characteristic voice quality of a speaker conveys to listeners a wealth of information about his physical, psychological and social attributes. For this reason, voice quality is of interest to a wide range of disciplines, including linguistics, phonetics and speech science, speech pathology, sociology, psychology, medicine, and communication engineering. Literature on voice quality is, consequently, scattered through a correspondingly wide range of publications. While this bibliography is unlikely to be exhaustive, it aims to be comprehensive. Exceptions to this are purely medical literature and literature on speech pathology; also, although a number of different languages are represented, works in English received the principal coverage.
Author: Martin J Ball
Publisher: Routledge
ISBN: 144416564X
Category : Language Arts & Disciplines
Languages : en
Pages : 248
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Book Description
In their comprehensive new introduction to phonetics, Ball and Rahilly offer a detailed explanation of the process of speech production, from the anatomical initiation of sounds and their modification in the larynx, through to the final articulation of vowels and consonants in the oral and nasal tracts. This textbook is one of the few to give a balanced account of segmental and suprasegmental aspects of speech, showing clearly that the communication chain is incomplete without accurate production of both individual speech sounds (segmental features) and aspects such as stress and intonation (suprasegmental features). Throughout the book the authors provide advice on transcription, primarily using the International Phonetic Alphabet (IPA). Students are expertly guided from basic attempts to record speech sounds on paper, to more refined accounts of phonetic detail in speech. The authors go on to explain acoustic phonetics in a manner accessible both to new students in phonetics, and to those who wish to advance their knowledge of key pursuits in the area, including the sound spectrograph. They describe how speech waves can be measured, as well as considering how they are heard and decoded by listeners, discussing both physiological and neurological aspects of hearing and examining the methods of psychoacoustic experimentation. A range of instrumentation for studying speech production is also presented. The next link is acoustic phonetics, the study of speech transmission. Here the authors introduce the basic concepts of sound acoustics and the instrumentation used to analyse the characteristics of speech waves. Finally, the chain is completed by examining auditory phonetics, and providing a fascinating psychoacoustic experimentation, used to determine what parts of the speech signal are most crucial for listener understanding. The book concludes with a comprehensive survey and description of modern phonetic instrumentation, from the sound spectrograph to magnetic resonance imaging (MRI).
Author: Osamu Fujimura
Publisher: Singular
ISBN:
Category : Juvenile Fiction
Languages : en
Pages : 388
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Book Description
The conference was organized by the Voice Foundation to be an intimate gathering of carefully selected members of the profession's elite, and the 22 papers were specifically invited from experts on the subject. They discuss vocal fold physiology in terms of phonetics and speech, acoustics and physics, expression and singing, pathology, and general issues. Annotation copyright by Book News, Inc., Portland, OR
Author: Sascha Frühholz
Publisher:
ISBN: 0198743181
Category : Language Arts & Disciplines
Languages : en
Pages : 977
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Book Description
Speech perception has been the focus of innumerable studies over the past decades. While our abilities to recognize individuals by their voice state plays a central role in our everyday social interactions, limited scientific attention has been devoted to the perceptual and cerebral mechanisms underlying nonverbal information processing in voices. The Oxford Handbook of Voice Perception takes a comprehensive look at this emerging field and presents a selection of current research in voice perception. The forty chapters summarise the most exciting research from across several disciplines covering acoustical, clinical, evolutionary, cognitive, and computational perspectives. In particular, this handbook offers an invaluable window into the development and evolution of the 'vocal brain', and considers in detail the voice processing abilities of non-human animals or human infants. By providing a full and unique perspective on the recent developments in this burgeoning area of study, this text is an important and interdisciplinary resource for students, researchers, and scientific journalists interested in voice perception.
