Practice question · Numerical answer
Approximately how long is the vocal tract of an adult male, in centimetres?
Hints
- Measured from the larynx to the lips.
- About seventeen centimetres.
Show the answer
17 (answers within ±2 count)
Why
About 17 cm, from the larynx to the lips. The length sets the resonant frequencies of the tube, which is why children and adults producing the same vowel have quite different formant values and why listeners normalise for speaker size automatically.
Practise How Speech Is Produced
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