Sound : an elementary text-book for schools and colleges (1913)
Capstick, John Walton, 1858- · leaf 172
the vowel a and the vowel u in the sameway as we distinguish between the sound of a violin and thatof a flute. 191. The Vocal Organs. The voice is produced byforcing air from the lungs through the opening between a pairof stretched membranes, each of which is able to cover half ofthe larynx or… … Fig. 75 By means of muscles these membranes can be stretchedand their edges brought together. If air is now forcedbetween them, their edges are set in vibration, and the airissues in a series of puffs, which give rise to a musical note. The pitch of the note is varied mainly by altering thetension…
Sound
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