Lecture_3_Anatomy_Physiology

Lecture_3_Anatomy_Physiology - TSL 3378 Speech Anatomy and...

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TSL 3378 Speech Anatomy and Physiology
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2 Functional Components of Speech 1. Respiration: Initiating a flow of air in and through the vocal tract. 2. Phonation: modulation of the air- stream as it passes through the larynx. 3. Articulation: shaping of the airflow by articulators in the supralaryngeal tract (“above larynx”) to produce a specific type of sound
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3 Anatomical Components of Speech Respiration Phonation Articulation
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4 Anatomical Components of Speech
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5 Respiration Phases Inhalation: Diaphragm lowered to expand chest cavity (use of external intercostal muscles) Creates negative air pressure difference between lungs and outside environment Additional air enters lungs to equalize pressure difference
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6 Respiration Phases Exhalation Cavity (lungs) are compressed Air rushes out of lungs to equalize pressure difference Air exits the lungs via the trachea
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7 Phonation Definition: Modifying the airflow in larynx via different states of the
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This note was uploaded on 10/22/2011 for the course LIN 4930 taught by Professor Habib,r during the Spring '08 term at University of Florida.

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Lecture_3_Anatomy_Physiology - TSL 3378 Speech Anatomy and...

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