Which mechanism explains why speakers from different regions produce distinct vowel sounds, even while attempting to pronounce the same word?

💡 Explanation

Vocal tract normalization accounts for the acoustic differences stemming from variations in vocal tract size and shape across individuals or regional accents; because of this normalization, speakers adjust their vowel production accordingly. Therefore, regional dialects exhibit distinctive vowel pronunciations rather than uniform articulation, and it is not due to auditory feedback alone.

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