Phonetics

Phonetics - Session 3 09/02/10 (Chapter 1 pp. 23-34)...

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Unformatted text preview: Session 3 09/02/10 (Chapter 1 pp. 23-34) Articulatory Phonetics: The Vocal T ract and the Articulation of English Sounds Phonetics the study of the physical properties of speech sounds. What are the articulatory, acoustic and perceptual characteristics of speech sounds? Clinical applications Educational applications Technological applications Forensic/ biometrics Scientific interest Process Air in from the lung (Vocal folds vibrate and generate sound) Constrictions are formed, which shape the sound Sound out Tubes are soft Exploratorium: Vocal Vowels Sound Source Air coming through larynx sets the vocal folds vibrating If vocal folds are close enough together and air is flowing out from lungs, they will vibrate Approximately 80-300 vibration per second (Hz) VOCAL TRACT ANATOMY supple, bent tube with air coming in at one end (lungs) and out the other (lips) Tongue- Tip very elastic- Body - Dorsum back part- Root Epiglottis protect trachea, so people dont choke Esophagus Trachea Larynx (vocal folds) Velum (Soft palate) Nasal cavity Lips Alveolar ridge Sound filtering: Constrictions Vocal Dance A brain-choreographed vocal dance encodes messages and emotions. Coordinated, continuous, and overlapping movements of...
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Phonetics - Session 3 09/02/10 (Chapter 1 pp. 23-34)...

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