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Which filter artifacts can be eliminated without trade-off?, (in a universe where computing power comes free)
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post Apr 3 2012, 08:04
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I'm learning, please correct any of the following sentences, if the aren't correct:

  1. We cannot eliminate ringing, just choose where we want it (pre-, post-).
  2. We can minimize ripple by computing power (choice of windowing function) without quality trade-off.
  3. Aliasing in resamplers can eventually only be controlled by passband width and filter steepness (dependency to 1).


If 3 is true, why does the SoX offer a dedicated "allow aliasing" option besides bandwidth and steepness?
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