Close-mid central unrounded vowel Close-mid central unrounded vowel The close-mid central unrounded vowel, or high-mid central unrounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . This is a mirrored letter e, and should not be confused with the schwa , which is a turned e. It was added to the IPA in 1993; before that, this vowel was transcribed (Latin small letter e with umlaut, not Cyrillic small letter yo). Certain older sources transcribe this vowel . The letter may be used with a lowering diacritic ,
Ã Ã Ã/ã (a with tilde) is a letter used in some languages, generally considered a variant of the letter A. In Portuguese, Ã/ã represents a nasal near-open central vowel, (its exact height varies from near-open to mid according to dialect). It appears on its own and as part of the diphthongs "ãe" and "ão" . The symbol is used for the nasal vowel in Guaraní, Kashubian and Taa. In Aromanian, the symbol is used for the mid-central vowel . In Vietnamese, it represents in a high breaking-rising tone. This also used in !Xóõ. In the International Phonetic Alphabet, stands for