Choice Card History

History: What is filtering?

  • Name: What is filtering?
  • What is filtering?

    • The process of increasing the amplitude of selected frequencies in the spectrum of a sound signal.
      The opposite is true.
    • The process of reducing or eliminating the amplitude of selected frequencies in the spectrum of a sound signal.
      Yes, this is correct.
    • The technique of varying parameters to sound generators and sound modifiers over time.
      This is modulation.
    • Filtering reduces the proportion of the amplitude over a threshold amplitude.
      This is filtering.