CMD 273 Chapter Notes - Chapter 3: Thoracic Cavity, Vocal Folds, Fundamental Frequency
21 Sep 2016
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Chapter 3 - cmd 273 - clinical phonetics - 4th edition. Lung, rib cage, abdomen, and associated muscles. Egressive - produced with a flow of air that moves outward from the lungs - exhalation. Ingressive - produced with an inward flow of air - inhalation. Role of the respiratory system in speech: Air is inhaled into the lungs, increased the volume of the thoracic cavity. Muscles of the respiratory systems release air into the larynx and supralaryngeal system in order to generate speech. Respiratory muscles can also provide an extra pulse of energy by squeezing the thoracic cavity. Usually done when loudness or emphasis is required. Speech continued for more than a few seconds takes on rhythm of respiration. Breath group - sequence of words or syllables produced on a single expiration. Normally, can only speak for about 10 seconds on a single breath. Larynx - made up largely of cartilage and muscles. Trachea - connects lungs with the larynx.
