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The range of sound frequencies for normal human conversation are ..............

  • A.500 to 2000 Hertz
  • B.10 to 10,000 Hertz
  • C.100 to 10,000 Hertz
  • D.50 to 5,000 Hertz

Answer: A

Normal human conversation lies mainly between 500 and 2000 Hertz.

The frequencies that carry most of the information in speech, the speech frequencies, are about 500 to 2000 Hz, which is why hearing tests and noise-induced hearing loss assessments focus on 500, 1000 and 2000 Hz. Human hearing as a whole spans roughly 20 to 20,000 Hz.

The wider bands of 10 to 10,000, 100 to 10,000 and 50 to 5,000 Hz include frequencies far outside the range in which ordinary conversation is concentrated.

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