This paper clarifies some of the confusion, which has arisen over the efficacy of dither in PCM and Sigma-Delta Modulation (SDM) systems. It presents a means of analysing "in-band" idle tone structure and describes a fair means of comparison between PCM and SDM. It presents results, which show that dither can be effective in S-D systems.

Author: Angus, James
Affiliation: School of Acoustics and Electronic Engineering, University of Salford, Salford, Greater Manchester, England
AES Convention: 112 (April 2002) Paper Number: 5619
Publication Date: April 1, 2002
Subject: Signal Processing Forum

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