Voice. Anatomy ApeHuman Greater risk of choking in exchange for speaking.

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Presentation transcript:

Voice

Anatomy

ApeHuman Greater risk of choking in exchange for speaking

Vocal chords

Vocal chords at work

The sound wave produces by the vocal chords contains many frequencies that may or may not be enhanced by the resonances (formants) of the vocal tract 6dB/octave

Roughly: L = 17 cm from mouth to vocal folds L = 17 cm from mouth to vocal folds f = v/4L x 1 ~ 500 Hz f = v/4L x 1 ~ 500 Hz v/4L x 3 ~ 1500 Hz v/4L x 3 ~ 1500 Hz Higher than anybody’s talking voices ( Hz)

someone saying the vowel in “heard”

Formants stay fixed as pitch changes

Formants change depending on the vowel

3tekstenmetaudioenbmp-voor-PAS/for%20PAS%20oral/millesoral.htm Singer’s formant