27 February 2008

27 February 2008 - 27 February 2008 27 February 2008 Speech...

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27 February 2008 27/02/2008 15:21:00 27 February 2008 Speech Anatomy, Physiology,  and Acoustics  Chapter 3 (pg. 59-81) Speech Mechanism defined: It includes: respiratory system, larynx, upper  articulators, nasal passageways Larynx- includes structures called vocal folds and they are sound folds for speech Upper Articulators – Lips, Tongue, the jaw, and so forth Respiratory System (powers supply for speech) Speech Breathing : use of respiratory system during speech production –  Goal of Speech Breathing : to maintain a constant  subglottal pressure (Ps)  during speech production; this is done by a compressing the air in the lungs,  using the elastic and muscular forces available in the respiratory system o subglottal ’ : below the vocal folds in the larynx behind thyroid cartilage  is where the subglottal pressure is measured.  - - - What do we mean by ‘vegetative (quiet) breathing’?
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Differences Between Vegetative and Speech Breathing (1) Vegetative breathing involves about the same time for inhalations and  exhalations; speech breathing involves short, rapid inspirations and relatively long  expirations (2) Speech breathing involves a specific configuration of the thorax and  abdomen, very different from the configuration seen during vegetative breathing - - -  Graph and Picture on Speech Breathing Inspiration vs. Expiration Vegetative Breathing (relaxed breathing) Speech Breathing – Fast Inhale, long exhale - - - Linguistic and Paralinguistic Function of Speech Breathing (1) Linguistic stress (‘rebel vs. re’bel; part of the stress difference is in the relative  loudness of the syllables, produced by slighter higher subglottal pressures on syllable  with greater stress.  Changes the small loudness differences is done in this manner.
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27 February 2008 - 27 February 2008 27 February 2008 Speech...

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