Vowel Space Area Calculator

Your vowel space area (VSA) is a clinical metric of articulation clarity. Hyperarticulated speech (like newscasters) has a larger VSA. Mumbled speech compresses the VSA toward the schwa (mid-central).



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Common Mistakes

  • Relying on subjective hearing instead of measuring Hz values.
  • Ignoring the impact of surrounding consonants (coarticulation).
  • Not recording yourself with high-fidelity equipment.

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