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Phonetics

Some Definitions of Vowel Sounds

Vowels are speech sounds (1) during whose production “the tongue is held at such a distance from the roof of the mouth that there is no perceptible frictional noise” and “a resonance chamber is formed which modifies the quality of tone” (Jones, Pronunciation 12). Gimson defines vowels (2) as a “category of sounds … normally […]

Categories
Phonetics

The Number of Diphthongs in the English Language

This text lists three sources (Daniel Jones, J. D. O’Connor and A. C. Gimson) about the English diphthongs in British English/Received Pronunciation.  This is a simplified classification and by no means complete. For greater details about the English diphthongs see this post. The most detailed overview gives Jones (1975), who lists the important and less important […]