Spoken
Sounds made by the Organs of speech, according to the General
Name
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Simple
name; denoting either ‖ that which is spoken, or the picture of it in writing.
spoken sounds called phones , whether ‖
such apert sounds as are fra∣med by a free emission of the breath through the organs of speech, or
such closed sounds in the pronouncing of which the breath is intercepted by some collision or closure amongst the in∣struments of speech.
free sounds , without any stricture in the vocal tract.
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based on measurements
long vowel
short vowel
medium vowel
closed sounds , that is articulated with complete or partial closure of the vocal tract,