Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Time Domain Performance of Decimation Filter Architectures for High Resolution Sigma Delta Analogue to Digital Conversion

Authors: Wang, Yonghao; Reiss, Joshua D.

AES Convention 132 · Paper 8648 · April 2012

Abstract

We present the results of a comparison of different decimation architectures for high resolution sigma delta analogue to digital conversion in terms of passband, transition band performance, simulated signal to noise ratio, and computational cost. In particular, we focus on the comparison of time domain group delay response of different filter architectures including classic multistage FIR, cascaded integrator-comb (CIC) with FIR compensation filters, particularly multistage polyphase IIR filter, cascaded halfband minimum phase FIR filter, and multistage minimum phase FIR filter designs. The analysis shows that the multistage minimum phase FIR filter and multistage polyphase IIR filter are most promising for low group delay audio applications.

Details

Published in
AES Convention 132
AES Convention
132
Paper number
8648
Publication date
April 6, 2012
Session subject
High Resolution and Low Bit Rate
Affiliation
Queen Mary University of London, London, UK; Birmingham City University, Birmingham, UK (See document for exact affiliation information.)
Type
Convention Paper