COMD 5070 Exam 2 Study Guide with Complete Solutions
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Course
COMD 5070
Institution
COMD 5070
COMD 5070 Exam 2 Study Guide with
Complete Solutions
1. Calculate average air flow
A: 1 liters of air used in 10 seconds
B: 3 liters of air used in 20 seconds - Answer️️ -Divide Volume by Time
flow=air/time
Example:
If 1 liter of air is used and phonation lasts for 5 seconds
Average flo...
-Pressure is applied to one side. You measure the displacement to find the pressure.
Best Used for: Calibration for electronic equipment that measures pressure.
Limitations:
Very low tech
Not very good for speech production (because pressures change rapidly and subtly)
3. Measuring speech breathing
[How do the ribcage and abdomen move as we speak or sing?] - Answer✔️✔️-Through
chest wall movements:
-Stretchable bands around the abdomen and ribcage to measure movement
inhale: rib cage and abdomen expand
exhale: rib cage and abdomen contract
measured by variable inductance plethysmograph
When you breathe in the diaphragm flattens out and pulls the base of the lung
downward this expands the volume inside the lungs and decreases the pressure
causing a person to breathe in; also pushes down on abdominal viscera causing the
belly to expand outwards
4. Subglottal pressure
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