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Convention Paper

Aliasing Distortion in Digital Dynamics Processing, the Cause, Effect, and Method for Measuring It: The Story of "Digital Grunge!"

Authors: Foti, Frank

AES Convention 106 · Paper 4971 · May 1999

Abstract

Digital dynamics control can generate aliasing distortion within an audio processor. With DSP, these issues can create added audible distortion, propagation delay, and/or overshoots. Why has it been so difficult to create successful-sounding digital signal processors for broadcast? This paper offers information about the cause and effect of aliasing distortion generated in compressors, limiters and clippers. Consideration must be given to sampling rate, algorithm design, time delay, and DSP architecture or sonic performance degrades. The presentation will cover some design criteria that will aid in eliminating this problem.

Details

Published in
AES Convention 106
AES Convention
106
Paper number
4971
Publication date
May 6, 1999
Session subject
Audio Measurements
Affiliation
Cutting Edge, Cleveland, OH (See document for exact affiliation information.)
Type
Convention Paper