Question

Suppose you are listening to a sound with frequency of 200 Hz and amplitude of 20...

Suppose you are listening to a sound with frequency of 200 Hz and amplitude of 20 μPa.

  1. What is the SPL of that sound (please express your result in dB)
    [Hint: use the formula SPL=20log10(A/Ao) where Ao=20micro pascals
  2. Do you think you would be able to perceive this sound? Explain your answer.
    [Hint: you will need to look at the Fletcher-Munson diagram]
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