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 ,
Mid front rounded vowel Mid front rounded vowel The mid front rounded vowel is a type of vowel sound, used in some spoken languages. Acoustically it is a "mid front-central rounded vowel". Although there is no dedicated symbol in the International Phonetic Alphabet that represents the "exact" mid front rounded vowel between close-mid and open-mid , is generally used. If precision is desired, diacritics can be used, such as or . The mid front compressed vowel is typically transcribed in IPA simply as or . This article uses the first symbol for simplicity. There is no dedicated diacritic for compression in the IPA. However,