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The F1-F2 Vowel Space

Plotting a vowel as a point on two axes is the representation every later formant result is read in. It makes vowel identity a geometric fact, which is what allows sub-domain B to talk about estimation error as a displacement in that plane, and it is the natural home for the seed paper's limitation that it measured isolated sustained vowels rather than connected-speech vowels.

Questions this Concept answers

Why can the identity of a vowel be represented as a single point on a two-axis plot?

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Vowel Formants and the Vowel Chart in Acoustic Phonetics

In acoustic phonetics, vowel formants are the resonant frequency peaks of the vocal tract filter (as distinct from the individual harmonics generated by the glottal source), and each vowel is charact…