From: Language-dependent cue weighting in distinctive feature: evidence from the perception of Mandarin high vowels by native English speakers
Front
Back
Unrounded
Rounded
Mandarin
i
y
u
English
i:(tense) ɪ(lax)
u(tense) ʊ(lax)
Korean
iㅣ
(yㅟ)
ɯㅡ
uㅜ
Japanese
iイ
ɯウ