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Aerodynamics of Speech Production
Terms in this set (23)
dynamic changes in pressure particularly characterize:
stop and affricate sounds
air pressure and flow are tied directly to the?
air pressure and flow have an inverse/ direct relationships
rapid closure of the lips is associated with rapid increase/decrease in interoral pressure
intraoral pressure in maintained through the period of the _______. At the point of the burst there is a sharp ______ intraoral pressure
where can a leak occur
if there is an abnormality in the degree or timing of a particular articulator, then a leak can occur
true or false: intramural pressure varies across phonetic contexts
pressure decreases/ increases and is more/less variable in continuous production
pressure and intensity are positively/ negatively related
highest pressure found in largest/smallest cavity
static measure of how much pressure can be developed within the oral cavity
- good really only for musicality
variations in flow are related to variations in?
movement of a volume of air through a given area over a unit of time
pressure flow and resistance are the aerodynamic equivalent of?
true or false: flow can be constant despite volume change
flow is the _____ of volume
what is the problem with using masks when measuring speech variables?
-restricts movements, changes respiratory patterns, inadequate air exchange
introduces a known resistance to flow to determine a drop in pressure
-a voltage proportional to the pressure is generated that indicates flow
flow is higher/lower for fricatives
flow is high/lower for consonants
relationship between flow, F0 and intensity
average airflow increases with intensity and F0
for pulse or vocal fry, flow must be kept at much higher/lower levels than for typical phonation
disorders that restrict motion and cause uncontrolled constrictions will increase/ decrease pressure
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Speech Science Week 3
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