The interrelationship of subglottic air pressure, fundamental frequency, and vocal intensity during speech

Plant, Randall L.; Younger, Ross M.

doi:10.1016/s0892-1997(00)80024-7

Cited by 45 publications

(31 citation statements)

References 10 publications

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“…These mechanisms may rely more heavily on the respiratory system or on the laryngeal system, or a combination of systems, with different patterns of respiratory effort and glottal closure. 15 Along the same lines, Plant and Younger 16 reported that subjects in their study showed large variations in laryngeal aerodynamics related to F 0 and intensity. This variability was evident not only between but also for the same subject within different frequency and intensity ranges.…”

Section: Jitter and Hnrmentioning

confidence: 68%

Relationship Between Masking Levels and Phonatory Stability in Normal-Speaking Women

Ferrand

2006

Journal of Voice

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Section: Jitter and Hnrmentioning

confidence: 68%

Relationship Between Masking Levels and Phonatory Stability in Normal-Speaking Women

Ferrand

2006

Journal of Voice

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“…Evidence involving direct measurement of subglottal pressure demonstrates the important role of subglottal pressure in determining pitch, and complex interactions between this and control of variation in sound intensity. 59 The importance of breath control to human speech is also demonstrated by the voice disorders of some neckinjury patients with spinal cord damage or severance in the lower cervical region. Such injury results in reduced control or paralysis of functions involving muscles innervated below the cervical region, though not those of the upper respiratory tract and diaphragm, which are innervated at the cervical level.…”

Section: Modifications To Quiet Breathing For Human Speech Compared Wmentioning

confidence: 99%

Increased breathing control: Another factor in the evolution of human language

MacLarnon¹,

Hewitt²

2004

Evolutionary Anthropology

102

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Investigation into the evolution of human language has involved evidence of many different kinds and approaches from many different disciplines. For full modern language, humans must have evolved a range of physical abilities for the production of our complex speech sounds, as well as sophisticated cognitive abilities. Human speech involves free‐flowing, intricately varied, rapid sound sequences suitable for the fast transfer of complex, highly flexible communication. Some aspects of human speech, such as our ability to manipulate the vocal tract to produce a wide range of different types of sounds that form vowels and consonants, have attracted considerable attention from those interested in the evolution of language.1, 2 However, one very important contributory skill, the human ability to attain very fine control of breathing during speech, has been neglected. Here we present evidence of the importance of breathing control to human speech, as well as evidence that our capabilities greatly exceed those of nonhuman primates. Human speech breathing demands fine neurological control of the respiratory muscles, integrated with cognitive processes and other factors. Evidence from comparison of the vertebral canals of fossil hominids and those of extant primates suggests that a major increase in thoracic innervation evolved in later hominid evolution, providing enhanced breathing control. If that is so, then earlier hominids would have had quite restricted speech patterns, whereas more recent hominids, with human‐like breath control abilities, would have been capable of faster, more varied speech sequences.

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“…Lowering of the pitch requires contraction of the 25 thyroarytenoid muscle. This draws the arytenoid and the thyroid cartilages together, thus increasing the concentration of vocal mass and decreasing tension on the vocal cover [24] .…”

Section: Discussionmentioning

confidence: 99%

“…Hypothetically one can assume that decreasing the pitch implicates decreasing the glottal air pressure/respiratory effort, thus creating a compensatory strategy to reduce hypernasality. This hypothesis is based on the reports of several researchers [25,26] , who studied the interrelationship of glottal air pressure and fundamental frequency during speech. They found that the decrease in frequency was due to a decrease in subglottal air pressure.…”

Section: Discussionmentioning

confidence: 99%

The Impact of Vocal Intensity and Pitch Modulation on Nasalance Scores: A Pilot Study

Lierde

Borsel

Cardinael

et al. 2010

Folia Phoniatr Logop

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Objective: The purpose of this study was to examine the impact of pitch and intensity modulation on nasalance scores. Methods: A single-group pretest-posttest design was used in which subjects produced reading passages at different pitch and intensity levels. The Nasometer™ was used for the registration of nasalance scores in subjects with and without cleft palate. Results: An increase in intensity in the non-cleft group resulted in a small but significant decrease in nasalance. Lowering the pitch level resulted in a small but significant decrease in nasalance scores for both the non-cleft and cleft palate subjects. Conclusions: The nasalance changes after vocal modulations during connected speech are reliable and not biased but the impact of these vocal changes on speech intelligibility and daily communication and the usefulness of these vocal modulations as part of a behavioral management program is not yet proven.

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The interrelationship of subglottic air pressure, fundamental frequency, and vocal intensity during speech

Cited by 45 publications

References 10 publications

Relationship Between Masking Levels and Phonatory Stability in Normal-Speaking Women

Relationship Between Masking Levels and Phonatory Stability in Normal-Speaking Women

Increased breathing control: Another factor in the evolution of human language

The Impact of Vocal Intensity and Pitch Modulation on Nasalance Scores: A Pilot Study

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