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What happens to a frequency above the Nyquist frequency when it is sampled?

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  1. It is simply recorded perfectly
  2. It folds back as a fake lower frequency
  3. It becomes silence

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References

  1. Indiana University, Music Technology Text, Chapter 5: Nyquist cmtext.com/digital_audio/chapter5_nyquist.php Checked 2026-10-10.

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