Digital Low-Pass Filter Design with Analog-Matched Magnitude Response
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M. Massberg, "Digital Low-Pass Filter Design with Analog-Matched Magnitude Response," Paper 8551, (2011 October.). doi:
M. Massberg, "Digital Low-Pass Filter Design with Analog-Matched Magnitude Response," Paper 8551, (2011 October.). doi:
Abstract: Using the bilinear transform to derive digital low-pass filters from their analog prototypes introduces severe warping of the response once the cutoff frequency approaches the Nyquist limit. We show how to design pre- warped first and second order low-pass prototypes that, after application of the bilinear transform, provide a better match with the magnitude response of the analog original than applying the bilinear transform directly. Result plots are given and compared for different cutoff frequencies and Q factors.
@article{massberg2011digital,
author={massberg, michael},
journal={journal of the audio engineering society},
title={digital low-pass filter design with analog-matched magnitude response},
year={2011},
volume={},
number={},
pages={},
doi={},
month={october},}
@article{massberg2011digital,
author={massberg, michael},
journal={journal of the audio engineering society},
title={digital low-pass filter design with analog-matched magnitude response},
year={2011},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={using the bilinear transform to derive digital low-pass filters from their analog prototypes introduces severe warping of the response once the cutoff frequency approaches the nyquist limit. we show how to design pre- warped first and second order low-pass prototypes that, after application of the bilinear transform, provide a better match with the magnitude response of the analog original than applying the bilinear transform directly. result plots are given and compared for different cutoff frequencies and q factors.},}
TY - paper
TI - Digital Low-Pass Filter Design with Analog-Matched Magnitude Response
SP -
EP -
AU - Massberg, Michael
PY - 2011
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2011
TY - paper
TI - Digital Low-Pass Filter Design with Analog-Matched Magnitude Response
SP -
EP -
AU - Massberg, Michael
PY - 2011
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2011
AB - Using the bilinear transform to derive digital low-pass filters from their analog prototypes introduces severe warping of the response once the cutoff frequency approaches the Nyquist limit. We show how to design pre- warped first and second order low-pass prototypes that, after application of the bilinear transform, provide a better match with the magnitude response of the analog original than applying the bilinear transform directly. Result plots are given and compared for different cutoff frequencies and Q factors.
Using the bilinear transform to derive digital low-pass filters from their analog prototypes introduces severe warping of the response once the cutoff frequency approaches the Nyquist limit. We show how to design pre- warped first and second order low-pass prototypes that, after application of the bilinear transform, provide a better match with the magnitude response of the analog original than applying the bilinear transform directly. Result plots are given and compared for different cutoff frequencies and Q factors.
Author:
Massberg, Michael
Affiliation:
Brainworx Music & Media GmbH, Leichlingen, Germany
AES Convention:
131 (October 2011)
Paper Number:
8551
Publication Date:
October 19, 2011Import into BibTeX
Subject:
Audio Processing
Permalink:
http://www.aes.org/e-lib/browse.cfm?elib=16077