The first and second formants when you make an \"ee\" vowel sound are approximately 270 Hz...

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The first and second formants when you make an \"ee\" vowel soundare approximately 270 Hz and 2300 Hz . The speed of sound in yourvocal tract is approximately 350 m/s . If you breathe a mix ofoxygen and helium (as deep-sea divers often do), the speedincreases to 810m/s
With this mix of gases, what are the frequencies of the twoformants?

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3.8 Ratings (764 Votes)

Wavelength will remain same, just medium has changed from air to mixture of gases (air & helium).

For first formant,

Î» = v1/f1 = v2/f2 350/270= 810/ f = 625 Hz

For second formant,Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 350/2300 = 810/f f = 5323 Hz

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