The first formant of your vocal system can be modeled as the resonance of an open-closed tube, the closed end being your vocal cords and the open end your lips. Estimate the frequency of the first formant from the graph of as shown, and then estimate the length of the tube of which this is a resonance.Does your result seem reasonable? FIGURE 16.23 The frequency spectrumfrom the vocal cords, and after passingthrough the vocal tract.(a) Frequencies from the vocal cordsWhen you speak, your vocal cordsproduce a mix of frequencies.-f (Hz)300010002000(b) Actual spoken frequencies (vowel sound "ee")When you form your vocal tract to make acertain vowel sound, it increases the amplitudesof certain frequencies and suppresses others.· The broad peaks at whichFirst formant amplification occurs are dueto filtering by the formants.Second formant-f (Hz)300010002000Relative intensityRe lat ive intensity

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Answered: FIGURE 16.23 The frequency spectrum…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter14: Superposition And Standing Waves

Section: Chapter Questions

Problem 49P: Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the...

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The first formant of your vocal system can be modeled as the resonance of an open-closed tube, the closed end being your vocal cords and the open end your lips. Estimate the frequency of the first formant from the graph of as shown, and then estimate the length of the tube of which this is a resonance.
Does your result seem reasonable?

FIGURE 16.23 The frequency spectrum
from the vocal cords, and after passing
through the vocal tract.
(a) Frequencies from the vocal cords
When you speak, your vocal cords
produce a mix of frequencies.
-f (Hz)
3000
1000
2000
(b) Actual spoken frequencies (vowel sound "ee")
When you form your vocal tract to make a
certain vowel sound, it increases the amplitudes
of certain frequencies and suppresses others.
· The broad peaks at which
First formant amplification occurs are due
to filtering by the formants.
Second formant
-f (Hz)
3000
1000
2000
Relative intensity
Re lat ive intensity

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