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What does the Nyquist-Shannon theorem mean to digital audio sampling rates?

4 years ago Accepted AvailableLanguage: English
What does the Nyquist-Shannon theorem mean to digital audio sampling rates?
  • The sampling rate needs to be twice the highest audible frequency. (Excellent!)
  • One needs to change the analog signal into an array of integers. (This is the function of a converter.)
  • One needs to change the array of integers back into an analog signal. (This is the job of the computer's sound card.)
  • The sampling rate needs to be half the highest audible frequency. (Other direction.)
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