Welsh Phonemes

The tables below list the full set of phonemes supported by Capacity Private Cloud Neural and LLM TTS for Welsh (cy-GB). Each phoneme is shown with its Unicode code point(s), decimal value(s), IPA symbol, X-SAMPA representation, viseme, and an example word. Consonants and vowels are listed separately.

Phonemes can be supplied in SSML using the <phoneme> element (with alphabet="ipa" or alphabet="x-sampa") to override the default pronunciation of a word. For the complete list of Neural TTS voices, see Neural TTS Languages.

These phonemes apply to the following Welsh Neural TTS voices:

Seren
Tomos
Owain
Rhian
Rhodri
Catrin
Ffion
Gethin

Consonants

Unicode	Decimal	IPA	X-SAMPA	Viseme	Example
U+0061 U+0398	97 920	aΘ	aT	DIS_13	sant
U+0061 U+0398 U+0259	97 920 601	aΘə	aT@	DIS_13	mab
U+0062	98	b	b	DIS_1	bach
U+0074 U+0283	116 643	tʃ	tS	DIS_8	tsiec
U+0064	100	d	d	DIS_7	dydd
U+00F0	240	ð	D	DIS_5	ddod
U+0066	102	f	f	DIS_4	ffenest
U+0067	103	g	g	DIS_9	glân
U+0068	104	h	h	DIS_9	haul
U+006A	106	j	j	DIS_10	iaith
U+0064 U+0292	100 658	dʒ	dZ	DIS_8	joio
U+006B	107	k	k	DIS_9	cig
U+006C	108	l	l	DIS_6	leicio
U+026C	620	ɬ	K	DIS_6	llaw
U+006D	109	m	m	DIS_1	mab
U+006D U+0325	109 805	m̥	m_0	DIS_1	mhen
U+006E	110	n	n	DIS_7	nerth
U+014B	331	ŋ	N	DIS_9	trengi
U+014B U+0325	331 805	ŋ̥	N_0	DIS_9	nghymru
U+006E U+0325	110 805	n̥	n_0	DIS_7	nhad
U+0070	112	p	p	DIS_1	pen
U+0279	633	ɹ	r\	DIS_3	garw
U+0279 U+0325	633 805	ɹ̥	r\_0	DIS_3	rhestr
U+0073	115	s	s	DIS_7	swsus
U+0283	643	ʃ	S	DIS_8	siarad
U+0074	116	t	t	DIS_7	tatws
U+03B8	952	θ	T	DIS_5	athro
U+0076	118	v	v	DIS_4	faint
U+0077	119	w	w	DIS_2	wedyn
U+03C7	967	χ	X	DIS_9	chwaer
U+007A	122	z	z	DIS_7	zambia

Vowels

Unicode	Decimal	IPA	X-SAMPA	Viseme	Example
U+0259	601	ə	@	DIS_9	mynydd
U+025C	604	ɜ	3	DIS_9	server
U+0251 U+0268	593 616	ɑɨ	A1	DIS_13	cymraeg
U+0061 U+0069	97 105	ai	ai	DIS_13	tai
U+0061 U+028A	97 650	aʊ	aU	DIS_9	llaw
U+0061 U+0268	97 616	aɨ	a1	DIS_13	cau
U+025B	603	ɛ	E	DIS_11	perth
U+025B U+0259	603 601	ɛə	E@	DIS_11	peth
U+025B U+026A	603 618	ɛɪ	EI	DIS_11	seisnig
U+025B U+028A	603 650	ɛʊ	EU	DIS_11	llew
U+025B U+0268	603 616	ɛɨ	E1	DIS_11	gwneud
U+026A	618	ɪ	I	DIS_10	tipyn
U+0069	105	i	i	DIS_10	tîm
U+026A U+028A	618 650	ɪʊ	IU	DIS_10	lliw
U+0254	596	ɔ	O	DIS_13	bron
U+0254 U+026A	596 618	ɔɪ	OI	DIS_12	osgoi
U+006F	111	o	o	DIS_12	nos
U+0259 U+028A	601 650	əʊ	@U	DIS_9	dowch
U+0254 U+0268	596 616	ɔɨ	O1	DIS_12	coeden
U+028A	650	ʊ	U	DIS_11	cwm
U+0075	117	u	u	DIS_3	cwch
U+028A U+0268	650 616	ʊɨ	U1	DIS_11	mwy
U+0268	616	ɨ	1	DIS_10	bys
U+0268 U+028A	616 650	ɨʊ	1U	DIS_2	duw
U+0268 U+0259	616 601	ɨə	1@	DIS_10	bûm

Viseme values use the standard Capacity viseme set (for lip-sync and avatar animation). X-SAMPA is the ASCII-encoded equivalent of the IPA symbol.

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