new-monophthongs-centring-diphthongs - Pronunciation Studio

Engl-Phonetics-Phonology

Vowels, Vowel Formants and Vowel Modification — SingWise

Vowels, Vowel Formants and Vowel Modification — SingWise

PDF) An acoustic comparison of English monophthongs and diphthongs produced by Australian and Thai speakers

PDF) An acoustic comparison of English monophthongs and diphthongs produced by Australian and Thai speakers

Vowel Sounds ( monophthongs & diphthongs) in English

PDF) An acoustic comparison of English monophthongs and diphthongs produced by Australian and Thai speakers

Diphthongs (14-20) - Pronunciation Studio

about the difference between two ways of transcribing

ambiguity - Is there any word with two consecutive monophthongs whose symbols could be combined to a diphthong? - English Language & Usage Stack Exchange