Vowels IPA mouth chart ( How to pronounce the vowels).

tongue top position → ↓ mouth opening	Front	Central	Back
mouth Close	i • y in [IY] Japan {I} smallest space	ɨ • ʉ	ɯ • u in [UW] ɯ = Japan {U}
	ɪ • ʏ [IH] • [Y]		• ʊ lax close back rounded [UH]
Close-mid	e • ø in [EY] in Japan {EI}	ɘ • ɵ close-mid schwa • rounded schwa	ɤ • o [OW] ( in [OY] )
Middle	middle front unrounded Japan {E}	ə schwa [AH0] 5, 6	middle back unrounded Japan {O}
Open-mid	ɛ • œ [EH]	ɜ • ɞ	ʌ • ɔ [AH1] [, 2 • in [OY], ɔ: = [AO]
	æ raised open front unrounded [AE] @, 9	ɐ open-mid schwa
mouth Open	a • ɶ in [AY],[AW], Japan {AI,AU}	Japan {A}	ɑ • ɒ [AA] 3, 0 • ( in [AO] ) largest space

on Aug. 2007. This table was created by © F.IMAI from the below public materials
- IPA vowels page , IPA letter names
- IPA/ CMU/ TIMIT phone mappings (.pdf) by © Marie A. Roch, in website (San Diego State University) CS 682 Speech Processing Spring 2007 Course.
- Learning the IPA for English by © Johanna E. Rubba 2003. (California Polytechnic State University)
- Wikipedia "Japanese pronunciation". {O} is a diphthong? What mean? [O],[O:],[OW] all is allowed. ex. ICHIRO (he is 1st son.) -- we pronounce [ichi low] or [ichi lo:] ( not [ichi lo] ) usually. I couldn't listen to the .ogg audio file. I open my mouth {O} larger than {A}. -- what happen?
- 3rd element is a lip (movement), cf. [u] :pretend you are going to kiss someone. by © Sharon Widmayer and Holly Gray ( soundsofenglish.org ).
in reduced vowel sounds theme, barred i pronouncing is explained. barred i = ɨ , CMU dictionary doesn't distinguish Barred i from Schwa or [IH0]. ex. reci tation = [res5ta_sh5n. ] ,   cf. Unicode Entity Codes for Phonetic Symbols © Penn State University, 2000-2007. And more article cf. Unstressed and reduced vowels in English (wikipedia),
Wikipedia talk:Manual of Style (pronunciation) Long reading.

Here,

in pair symbols ( left • right), the right side of "•" represents a rounded vowel.

[..] is the pronunciation symbol of "the CMU pronouncing dictionary".

{..} is Japanese vowel pronouncing {A,I,U,E,O}.
( I can pronounce {A,I,U,E,O} with no change mouth opening .!?   And {A,O} can do with any opening height [= each Japanese vowel has a wide range]. )

This CMU symbols and Japanese vowels mapping to the IPA symbols don't guarantee their truth.

Blue symbols are a2spelling symbol samples to the CMU symbols.

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