Human hearing and voice


  • Range is about 20 Hz to 20 kHz, most sensitive at 2 to 4 KHz.

  • Dynamic range (quietest to loudest) is about 96 dB

  • Normal voice range is about 500 Hz to 2 kHz

    • Low frequencies are vowels and bass
    • High frequencies are consonants
Question: How sensitive is human hearing?
  • Experiment: Put a person in a quiet room. Raise level of 1 kHz tone until just barely audible. Vary the frequency and plot