Phonetics II - Today Phonetics II The Anatomy of Speech The...

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1 Phonetics II Sept. 23, 2011 Today… The Anatomy of Speech The vocal tract (introduction) How we study vocal anatomy Announcements Pre-exam tutorials (rooms TBA): Mon Oct.3 14:00 – 15:20 Tues. Oct.4 9:30 – 10:50 Recap Last class, we… Introduced phonetics: the study of speech sounds Saw how air is vital to speech The Anatomy of Speech All of the organs involved in speech originally used for other purposes: lungs for breathing vocal cords to avoid choking tongue for tasting, eating nose for smelling, breathing Humans have adapted to use these organs for communication, i.e., language. larynx : the valve through which air flows vocal cords/folds/ligaments : the two flaps in the larynx that air flows between glottis : the area between the vocal cords (or where they meet)
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2 http://www.pitt.edu/~crosen/voice/fig1.jpg Overview of speech apparatus (minus lungs) The larynx Epiglottis: Protects the airway by acting like a “flap,” dropping down during swallowing to close off the larynx. Arytenoid cartilage: Attached to the vocal folds; glottis (space between vocal folds) is open and closed by movement of this cartilage. http://www.yorku.ca/earmstro/journey/larynx.html The larynx http://www.yorku.ca/earmstro/journey/larynx.html The vocal cords http://cspeech.ucd.ie/~fred/ teaching/oldcourses/phonetics/ glottis.html Vocal cords during regular breathing Closure of the glottis during voicing Q. Would speech be possible with just one vocal cord? Jack Klugman
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Phonetics II - Today Phonetics II The Anatomy of Speech The...

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