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voice
The sound emitted in speech, the method of communication exclusive to Homo sapiens. It is dependent for its generation upon the passage of air from the lungs through the trachea, larynx, pharynx, and mouth, and its quality in each individual is largely determined by the shape and size of these structures and the resonance of the nose and nasal sinuses.
Phonation is the sounding of the elements of speech by the action of several small muscles on the vocal cords of the larynx; these regulate the air passing through and vibrate when tensed against this air stream. Articulation consists in the modulation of these sounds by the use of the tongue, teeth, and lips in different combinations. Vowels are produced mainly by phonation while consonants derive their characteristics principally articulation.
Related category
• ACOUSTICS AND MUSIC
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