Languages I / How Speech Is Produced
Practice question · Fill in the blanks

Complete the account of speech production.

Nearly all speech uses a ______ egressive airstream. Vibration of the vocal folds produces ______ sounds, and the rate of that vibration is the ______ frequency. Lowering the ______ opens the nasal cavity.

Word bank: pulmonic · voiced · fundamental · velum · glottal · formant

Hints
  1. The first blank names where the air comes from.
  2. Do not confuse the frequency of fold vibration with a resonance of the tube.
Show the answer

Nearly all speech uses a pulmonic egressive airstream. Vibration of the vocal folds produces voiced sounds, and the rate of that vibration is the fundamental frequency. Lowering the velum opens the nasal cavity.

Why

The third blank is the one to guard: fundamental frequency is the rate the folds vibrate, heard as pitch, while formants are resonances of the tube above, heard as vowel quality. They vary independently, you can sing the same vowel at any pitch.

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