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What is filtering?

4 years ago Accepted AvailableLanguage: English
What is filtering?
  • The process of reducing or eliminating the amplitude of selected frequencies in the spectrum of a sound signal. (Yes, this is correct.)
  • The process of increasing the amplitude of selected frequencies in the spectrum of a sound signal. (The opposite is true.)
  • 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.)
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