Consider the simplified model of the vocal tract as a tube with one closed end and one open end.(a) If the vocal tract is 17 cm and the speed of sound in air is 343m/s, what is the first two formants of this vocal tract?(b) Given the formant table, what vowel sound would this vocal tract produce?(c) If the person with this simplified vocal tract sang a note with a frequency of 300 Hz, which two harmonics of the vocal folds would be most enhanced by these formants?(d) If the speed of sound was increased by inhaling helium, how would the pitch of this note change? How would the formants of the vocal tract change?
vowel F1 [Hz] Fz [Hz] 00 300 800 aw 600 800 ah 1000 1200 e 600 2000 450 2400 e 300 2700 er 500 1500