Time domain performance of decimation filter architectures for high resolution sigma delta analogue to digital conversion

Wang, Y. and Reiss, J. (2012) Time domain performance of decimation filter architectures for high resolution sigma delta analogue to digital conversion. In: 132nd Audio Engineering Society Convention 2012, 26 April 2012 through 29 April 2012, Budapest; Hungary.

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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.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Audio applications, Compensation filters, Computational costs, Decimation filter, Delay response, Filter architecture, Half-band, High resolution, Minimum phase FIR filters, Pass bands, Sigma delta, Simulated signals, Time domain, Transition bands, FIR filters, Group delay, IIR filters, Analog to digital conversion
Subjects: G400 Computer Science
H900 Others in Engineering
Divisions: UoA Collections > UoA11: Computer Science and Informatics
Faculty of Computing, Engineering and the Built Environment
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology
Faculty of Computing, Engineering and the Built Environment > School of Computing and Digital Technology > Digital Media Technology
Depositing User: Hussen Farooq
Date Deposited: 20 Jul 2016 13:51
Last Modified: 20 Jul 2016 13:51
URI: http://www.open-access.bcu.ac.uk/id/eprint/2222

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