English (British) (en-GB)

The following table lists the International Phonetic Alphabet (IPA) phonemes, the Extended Speech Assessment Methods Phonetic Alphabet (X-SAMPA) symbols, and the corresponding visemes for the British English voices that are supported by Amazon Polly.

Phoneme/Viseme Table
IPA	X-SAMPA	Description	Example	Viseme
Consonants
b	b	voiced bilabial plosive	bed	p
d	d	voiced alveolar plosive	dig	t
d͡ʒ	dZ	voiced postalveolar affricate	jump	S
ð	D	voiced dental fricative	then	T
f	f	voiceless labiodental fricative	five	f
g	g	voiced velar plosive	game	k
h	h	voiceless glottal fricative	house	k
j	j	palatal approximant	yes	i
k	k	voiceless velar plosive	cat	k
l	l	alveolar lateral approximant	lay	t
l̩	l=	syllabic alveolar lateral approximant	battle	t
m	m	bilabial nasal	mouse	p
m̩	m=	syllabic bilabial nasal	anthem	p
n	n	alveolar nasal	nap	t
n̩	n=	syllabic alveolar nasal	button	t
ŋ	N	velar nasal	thing	k
p	p	voiceless bilabial plosive	pin	p
ɹ	r\	alveolar approximant	red	r
s	s	voiceless alveolar fricative	seem	s
ʃ	S	voiceless postalveolar fricative	ship	S
t	t	voiceless alveolar plosive	task	t
t͡ʃ	tS	voiceless postalveolar affricate	chart	S
Θ	T	voiceless dental fricative	thin	T
v	v	voiced labiodental fricative	vest	f
w	w	labial-velar approximant	west	u
z	z	voiced alveolar fricative	zero	s
ʒ	Z	voiced postalveolar fricative	vision	S
Vowels
ə	@	mid central vowel	arena	@
əʊ	@U	diphthong	goat	@
æ	{	near open-front unrounded vowel	trap	a
aɪ	aI	diphthong	price	a
aʊ	aU	diphthong	mouth	a
ɑː	A:	long open-back unrounded vowel	father	a
eɪ	eI	diphthong	face	e
ɜː	3:	long open mid-central unrounded vowel	nurse	E
ɛ	E	open mid-front unrounded vowel	dress	E
ɛə	E@	diphthong	square	E
i:	i	long close front unrounded vowel	fleece	i
ɪ	I	near-close near-front unrounded vowel	kit	i
ɪə	I@	diphthong	near	i
ɔː	O:	long open-mid back rounded vowel	thought	O
ɔɪ	OI	Diphthong	choice	O
ɒ	Q	open back rounded vowel	lot	O
u:	u:	long close-back rounded vowel	goose	u
ʊ	U	near-close near-back rounded vowel	foot	u
ʊə	U@	diphthong	cure	u
ʌ	V	Open-mid-back unrounded vowel	strut	E
Additional Symbols
ˈ	"	primary stress	Alabama
ˌ	%	secondary stress	Alabama
.	.	syllable boundary	A.la.ba.ma