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Previous work has shown that inverse filtering can degrade the subjective quality of audio signals in certain conditions. Minimum phase inversion and regularization applied separately have also been studied and can be effective in some cases, but neither technique has proven to be robust. In this paper, further methods involving various regularization methods applied to the full and minimum phase part of the impulse response (IR) are studied. Subjective tests were conducted in accordance with the MUSHRA method to evaluate the performance of the various inversion methods. The results of the subjective tests were also used to determine the effectiveness of the ITU-R PEAQ objective test model as a potential tool in the development and evaluation of inverse filtering techniques.
Author (s): Norcross, Scott G.;
Soulodre, Gilbert A.;
Lavoie, Michel C.;
Affiliation:
Communications Research Centre, Ottawa Ontario, Canada
(See document for exact affiliation information.)
AES Convention: 115
Paper Number:5923
Publication Date:
2003-10-06
Session subject:
Signal Processing
DOI:
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Norcross, Scott G.; Soulodre, Gilbert A.; Lavoie, Michel C.; 2003; Further Investigations of Inverse Filtering [PDF]; Communications Research Centre, Ottawa Ontario, Canada; Paper 5923; Available from: https://aes.org/publications/elibrary-page/?id=12430
Norcross, Scott G.; Soulodre, Gilbert A.; Lavoie, Michel C.; Further Investigations of Inverse Filtering [PDF]; Communications Research Centre, Ottawa Ontario, Canada; Paper 5923; 2003 Available: https://aes.org/publications/elibrary-page/?id=12430
@inproceedings{Norcross2003further,
title={{Further Investigations of Inverse Filtering}},
author={Norcross, Scott G. and Soulodre, Gilbert A. and Lavoie, Michel C.},
year={2003},
month={oct},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 5923; AES Convention 115; October 2003},
number={5923},
organization={AES},
}
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