Open front unrounded vowel

Uncommon card · No. 85503

The open front unrounded vowel, or low front unrounded vowel, is a type of vowel sound used in some spoken languages. It is one of the eight primary cardinal vowels, not directly intended to correspond to a vowel sound of a specific language but rather to serve as a fundamental reference point in a phonetic measuring system. The symbol in the International Phonetic Alphabet (IPA) that represents this sound is ⟨a⟩, a double-story lowercase a. In the IPA vowel chart it is positioned at the lower-left corner. However, the accuracy of the quadrilateral vowel chart is disputed, and the sound has been analyzed acoustically as extra-open at a position where the front/back distinction has lost its significance. There are also differing interpretations of the exact quality of the vowel: the classic sound recording of [a] by Daniel Jones is slightly more front but not quite as open as that by John Wells. In practice, the symbol ⟨a⟩ is often used to represent an open central unrounded vowel. This...

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