The diphthong [ əʊ ] is pronounced with greater lip rounding than in British English.
The sound [ e ] is pronounced more openly and is reminiscent of the sound [ ɛ ]. In British English the word is pronounced again [ə’gen], as in the American version [ə’gen] [ə‘geɪn].
The sound [ ju: ] after consonants usually has a weakly pronounced [ j ], which in the speech of many Americans almost disappears and the words student, new, duty sound like [ stu:dent ], [ nu: ], [ `du:ti ].
The vowel [ ɒ] sounds like [ a ] in the diphthongs [ ai ], [ au ] as the core have a very forward sound [ʌ], which almost coincides with [ æ ]. In SBE we telling Laboratory [ lə’brɔ ə tri ], and in Americans [ ‘læbrətɔ ri ]. Instead the vowel [ a: ] in words like class, plant, answer to pronounce the sound [ æ ].
American English pronunciation is characterized by nasal vowels.
The sound [ r ] is pronounced in the middle of a word, and in the end, why the speech of Americans sounds more abruptly, than the speech of the British. For example, in SBE leisure [ ‘leʒə ], but in Americans version [ ‘leʒər ] (see table).
An example of some differences: