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 analyzing "in-band" idle tone structure using chaos theory and describes a fair means of comparison between PCM and SDM. It presents results, which show that dither can be effective in SDM systems.
Author:
Angus, James A. S.
Affiliation:
School of Acoustics and Electronic Engineering, University of Salford, Salford, Greater Manchester, England
AES Convention:
113 (October 2002)
Paper Number:
5692
Publication Date:
October 1, 2002
Subject:
High Resolution Audio
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