Glottalic Airstream Mechanism Flashcards
What is another way to describe an airstream?
Air-column
What does it mean if someone uses a pulmonic egressive airstream?
Initiated by the diaphragm
How do we describe increases air pressure?
Compression
How do we describe decreased air pressure?
Rarefaction
What are the three airstream mechanisms?
Glottalic
Pulmonic
Velaric
What is the larynx in the glottalic airstream mechanism?
The initiator - that which moves the air
What happens if the glottis is closed?
No air from lungs
Where does the air exist from the glottalic airstream?
Between the glottis and the lips
How much space is there between the glottis and the lips?
100cm3
How do we close the glottis?
Glottal stop
Coughing
How does the air from the glottis move?
Initiation of air from the Larynx
Larynx moves up or down
What happens if the larynx moves up?
Air out
What happens if the larynx moves down?
Air in
What happens when the larynx acts as a piston?
Larynx pushes air out or pulls air in
What are the glottalic sounds?
Ejectives
Implosives
Voiced implosives
All non english sounds
What is articulation with glottalic airstream? Give 4 examples
Closure in oral cavity
Same places of articulation
Bilabial, alveolar, palatal, vela
What does speech need from the glottalic airstream?
Need both closure at glottis and in oral cavity
Describe Ejectives?
Closed Glottis
Larynx as initiator
Larynx moves UP
Egressive Glottalic Airstream
