How to Prevent Audio Aliasing in Your Digital Mixes Audio aliasing is a digital distortion that ruins mix clarity by folding ultrasonic frequencies back into the audible spectrum. Unlike the pleasing, harmonious saturation produced by vintage analog gear, aliasing creates harsh, inharmonic, and unmusical frequencies that muddy your high-end. Because this digital artifact is permanently baked into your audio once it occurs, preventing it during the tracking and mixing stages is crucial for maintaining a clean mix. What Causes Aliasing in a DAW?
The Nyquist-Shannon sampling theorem states that a digital system can only accurately capture frequencies up to exactly half of its sample rate. This upper limit is known as the Nyquist frequency.
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