Thursday, April 04, 2013
The University of Alabama Birmingham had one of its otolaryngologists view a film of Barkley performing.
The man, apparently, suffers from phonotrauma--vocal cord hemorrhage from shouting over noise.
To talk, the lungs push air through V-shaped folds to produce a vibration, pushing the folds aside. After a time, the swallowing muscles in the throat try to close the folds, which tightens them. Vibrating swallowing muscles sound raspy.
Dehydration can strain a voice--alcohol or caffeine can worsen that. Acid reflux is also bad. And fatigue.
If you are prone to this, stay hydrated--twice as much water as other beverages. Avoid yelling, rest. And keep to a normal tone.
Avoid menthol drops--they dry. Use fruit-based or glycerin-based lozenges.
Warm tea with honey is helpful.
And maybe in Barkley's case, a few moments of silence.