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I Sound wave -- positive and negative frequency?

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  1. Dec 28, 2016 #1
    does ever sound wave have a positive and negative frequency?
     
  2. jcsd
  3. Dec 28, 2016 #2

    berkeman

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    Staff: Mentor

    Sure. Are you familiar with the Fourier transform?
     
  4. Dec 28, 2016 #3
    yes, I am. why do you ask ?
     
  5. Dec 28, 2016 #4

    berkeman

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    Staff: Mentor

  6. Dec 28, 2016 #5
    I know it is right for a sinwave, or you saying it is the same for sound wave? like someone talking or singing?
     
  7. Dec 28, 2016 #6

    berkeman

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    Staff: Mentor

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