In speech synthesis, which mechanism primarily accounts for the perceived difference between the vowels /i/ (as in 'beet') and /ɑ/ (as in 'father') in the acoustic signal?

💡 Explanation

The perceived difference between vowels arises from the formant frequencies' patterns, because these patterns correspond to the vocal tract resonances specific to each vowel. Therefore, the distinct acoustic signature of each vowel is generated by these varying resonances, rather than simply the fundamental frequency.

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