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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