For Developers

Ivona Text-to-Speech phonetic alphabet support for Welsh

The chart below presents the full set of IPA and X-SAMPA phonemes and their corresponding visemes accepted and produced by Ivona Text-to-Speech Welsh language voices.

IPA X-SAMPA Description Examples Viseme SAPI Viseme

CONSONANTS

b

b

voiced bilabial plosive

baban

p

21

d

d

voiced alveolar plosive

deg

t

19

d͡ʒ

dZ

voiced postalveolar affricate

garej

S

16

ð

D

voiced dental fricative

deuddeg

T

17

f

f

voiceless labiodental fricative

ffacs

f

18

ɡ

g

voiced velar plosive

gadael

k

20

h

h

voiceless glottal fricative

haearn

k

20

j

j

palatal approximant

astudio

i

6

k

k

voiceless velar plosive

cant

k

20

l

l

alveolar lateral approximant

lan

t

19

ɬ

K

voiceless alveolar lateral fricative

llan

t

19

m

m

bilabial nasal

mae

p

21

m_0

voiceless bilabial nasal

ymhen

p

21

n

n

alveolar nasal

naw

t

19

n_0

voiceless alveolar nasal

anhawster

t

19

ŋ

N

velar nasal

argyfwng

k

20

ŋ̊

N_0

voiceless velar nasal

anghenion

k

20

p

p

voiceless bilabial plosive

pump

p

21

r

r

alveolar trill

garw

r

13

r_0

voiceless alveolar trill

rhoi

r

13

s

s

voiceless alveolar fricative

saith

s

15

ʃ

S

voiceless postalveolar fricative

siawns

S

16

t

t

voiceless alveolar plosive

tegan

t

19

t͡ʃ

tS

voiceless postalveolar affricate

cytsain

S

16

θ

T

voiceless dental fricative

aberth

T

17

v

v

voiced labiodental fricative

prawf

f

18

w

w

labial-velar approximant

rhagweld

u

7

χ

X

voiceless uvular fricative

chwech

k

20

z

z

voiced alveolar fricative

aids

s

15

ʒ

Z

voiced postalveolar fricative

rouge

S

16

VOWELS

ə

@

mid central vowel

ychwaneg

@

8

a

a

open front unrounded vowel

acen

a

1

ai

ai

diphtong

dau

a

1

au

au

diphtong

awdur

a

1

ɑː

A:

long open back unrounded vowel

mab

a

1

ɑːɨ

A:1

diphtong

aelod

a

1

e:

long close-mid front unrounded vowel

peth

e

4

ɛ

E

open-mid front unrounded vowel

pedwar

E

5

ɛi

Ei

diphtong

beic

E

5

i:

long close front unrounded vowel

tri

i

6

ɪ

I

near-close near-front unrounded vowel

miliwn

i

6

ɨu

1u

diphtong

unigryw

i

6

o:

long close-mid back rounded vowel

oddi

o

3

ɔ

O

open-mid back rounded vowel

oddieithr

O

3

ɔi

Oi

diphtong

troi

O

3

ɔu

Ou

diphtong

rownd

O

3

u:

long close back rounded vowel

cwch

u

7

ʊ

U

near-close near-back rounded vowel

acwstig

u

7

ʊi

Ui

diphtong

wyth

u

7

 
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