( studying how languages differ... more)
"Adam's Apple" contains vocal cords/folds that vibrate if close together.
Bernoulli effect causes fast opening & shutting, if regular, can be perceived as pitch.
( similar to balloon )
When air flow is stopped and then suddenly released, we hear a “pop” eg:
P, B, T, K, G,
Airflow through a narrow passage too small for it to pass smoothly. Can be created in many points of mouth eg:
F - pressing upper teeth into lower mouth
S - pressing teeth together
Inuit,
Contact Languages
Tzeltal spatial relations, is the future uphill
Amharic