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 rounded vowel Open-mid central rounded vowel The open-mid central rounded vowel, or low-mid central rounded vowel, is a vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol is codice_1. The symbol is called "closed reversed epsilon". It was added to the IPA in 1993; before that, this vowel was transcribed . Due to either typographic or design error, IPA charts were published with this vowel transcribed as a closed epsilon, , and this graphic variant made its way into Unicode as . The form () is