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Phonatory characteristics of excised pig, sheep, and cow larynges
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10.1121/1.2908289
/content/asa/journal/jasa/123/6/10.1121/1.2908289
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/6/10.1121/1.2908289
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Pig hemilarynx with a millimeter grid place above the superior fold. A large, modified arytenoid is attached to the superior and inferior folds on the upper right. A narrow ventricle separates the two folds. The vertically angled position of the vocal folds can be seen. (b) Sheep hemilarynx showing the padlike small vocal folds. (c) Cow hemilarynx showing the padlike large vocal folds.

Image of FIG. 2.
FIG. 2.

(Color online) Initial portion of the pressure-flow sweep, including (from top to bottom) electroglottograph (EGG), subglottal pressure , and flow rate (Flow) signals.

Image of FIG. 3.
FIG. 3.

(Color online) Mean values of the fundamental frequency, subglottal pressure, and flow rate for an excised pig larynx during the upward (○) and downward (△) pressure-flow sweeps at high adduction level.

Image of FIG. 4.
FIG. 4.

(Color online) Mean values of the fundamental frequency, subglottal pressure, and flow rate for an excised sheep larynx during the upward (○) and downward (△) pressure-flow sweeps at high adduction level.

Image of FIG. 5.
FIG. 5.

(Color online) Mean values of the fundamental frequency, subglottal pressure, and flow rate for an excised cow larynx during the upward (○) and downward (△) pressure-flow sweeps at high adduction level.

Image of FIG. 6.
FIG. 6.

(Color online) Pressure-frequency relationship for an oscillating pig larynx at three adduction levels: low, medium, and high.

Image of FIG. 7.
FIG. 7.

(Color online) Pressure-frequency relationship for an oscillating sheep larynx at three adduction levels: low, medium, and high.

Image of FIG. 8.
FIG. 8.

(Color online) Pressure-frequency relationship for an oscillating cow larynx at three adduction levels: low, medium, and high.

Image of FIG. 9.
FIG. 9.

(Color online) Normalized composite profile of different pressure variables during pressure-flow sweeps of pig, sheep, and cow larynges. is subglottal pressure, is the pressure amplitude, and PTP is phonation threshold pressure. All pressure values are in cm . The mean value for each condition is provided over the corresponding bar.

Image of FIG. 10.
FIG. 10.

(Color online) Normalized composite profile of different phonatory variables during pressure-flow sweeps of pig, sheep, and cow larynges. is the fundamental frequency (Hz), SPL is sound pressure level (dB), and is the rate of change of frequency with pressure (Hz/cm ). The mean value for each condition is provided over the corresponding bar.

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/content/asa/journal/jasa/123/6/10.1121/1.2908289
2008-06-01
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phonatory characteristics of excised pig, sheep, and cow larynges
http://aip.metastore.ingenta.com/content/asa/journal/jasa/123/6/10.1121/1.2908289
10.1121/1.2908289
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