Diphthongs Traditional Classification
Diphthongs Diphthongs have a prominent shift in resonance, usually in the form of an off-glide EX: boy, how, view There’s a change in the adjustment of the vocal tract that takes place as diphthongs are produced Combination of 2 vowels –The initiating target is the first vowel –The terminating target is final vowel
Diphthongs Tension – can go: tense to lax OR lax to lax, BUT never lax to tense Advancement – can go: Front to front [ ] Front to back [ ] Back to back [ ] Back to front [ ] Height – can go: mid to high low to high
Many phoneticians regard diphthongs as a combination of a vowel and glide (e.g., [ ] and [ ]) Therefore, they do not include diphthongs in their list of English sounds -dipthongs have glide features
American English Diphthongs [ ] high, file [ ]ouch, house, brown, cow [ ]boy, toy [ ] weigh, play [ ]bow, go [ ]use, youth, cute, view, unit
American English Diphthongs [ ] Front to front; low to high; tense to lax [ ] Front to back; low to high; tense to lax [ ] Back to front; mid to high; lax to lax [ ] Front to front; mid to high; tense to lax Vowel [e] takes on diphthongal traits when it is pronounced as a stressed sound in words like “play”, “weigh”, “bake”* If vowel is unstressed and short in duration, use [e]
American English Diphthongs [ ] Back to back; mid to high; tense to lax Vowel [ ] takes on diphthongal traits when it is pronounced as a stressed sound in words like “bow”; “goat”* [ ] Front to back; high to high; tense to tense
Centering Diphthongs Tongue glides from stable vowel toward [ ] [ ] [ ] [ ] [ ] [ ]
Centering Diphthongs [ ] Tongue glides from the lower high-front position Beard, hear, steer, pier, spirit, period, year [ ] Tongue glides from stable [ ] to [ ] Very, berry, wear, care, pair Variations: –[ ]: Mary, vary, carry –[ ]: they’re, wear, care
Centering Diphthongs [ ] Off-glide from stable, low-back [ ] to central vowel position [ ] Art, heart, guard, are Variations: –[ ]: forest, forehead, foreign (more acceptable)
Centering Diphthongs [ ] ~ [ ] Glides from back vowel [o] or [ ] to central [ ] Allophones Morning ~ mourning Horse ~ hoarse Or ~ oar
Centering Diphthongs [ ] Glide from high back vowel [ ] to central [ ] pure, sure Variations: [ ] and [ ] often substituted for [ ] –[ ] ~ [ ]“sure” –[ ] ~ [ ]“cure” –[ ] ~ [ ]“your”