the rtMRI IPA chart (2005 version)
Click on any of the red-colored speech sounds or utterances below to see their production captured with real-time MRI. The videos comprise 24 frames per second. The data were collected in July 2005. The speaker is Professor Dani Byrd (USC).
Click here for more recent versions of the rtMRI chart, using improved imaging protocols..
Consonants (Pulmonic)
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Bilabial |
Labiodental |
Dental |
Alveolar |
Postalveolar |
Retroflex |
Palatal |
Velar |
Uvular |
Pharyngeal |
Glottal |
| Plosive |
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| Nasal |
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| Trill |
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| Tap or Flap |
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| Fricative |
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| Lateral fricative |
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| Approximant |
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| Lateral approximant |
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Consonants (Non-Pulmonic)
| Clicks |
Voiced Implosives |
Ejectives |
| ʘ |
Bilabial |
ɓ |
Bilabial |
' |
Examples: |
| ǀ |
Dental |
ɗ |
Dental/Alveolar |
p' |
Bilabial |
| ǃ |
(Post)alveolar |
ʄ |
Palatal |
t' |
Dental/Alveolar |
| ǂ |
Palatoalveolar |
ɠ |
Velar |
k' |
Velar |
| ǁ |
Alveolar Lateral |
ʛ |
Uvular |
s' |
Alveolar Fricative |
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Vowels
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Close
Close-mid
Open-mid
Open
Front
Central
Back
y
ø
œ
ɶ
ʏ
i
u
ɘ
ɵ
ɜ
ɞ
ɐ
ɯ
ɤ
ʌ
ɑ
ɒ
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