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 ,
Open-mid central unrounded vowel is also not definited for rounding. Open-mid central unrounded vowel The open-mid central unrounded vowel, or low-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 . The IPA symbol is not the digit or the Cyrillic small letter Ze (з). The symbol is instead a reversed Latinized variant of the lowercase epsilon, ɛ. The value was specified only in 1993; until then, it had been transcribed . The letter may be used with a raising diacritic , to denote the mid central