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This paper describes a method for estimating the perceived intensity of reverberation in audio signals and control-ling the level of an arti?cial reverberation signal such that an arti?cially reverberated output signal has similar reverberation properties as the corresponding input signal. The estimation uses a linear regression model with sub-band Inter-channel Coherence and Spectral Flatness Measure as input features which is trained with listening test data. For the adaptation to the arti?cial reverberation control signals are computed based on temporal modulation properties and correlation between the input channel signals and applied to compute an equivalent reverberation level. The resulting quantity is post-processed using signal-adaptive integration. For the evaluation the proposed method has been applied to control the reverb send gain of arti?cial reverberation in a car.
Author (s): Weber, Philipp;
Uhle, Christian;
Hölscher, Sarah;
Lang, Matthias;
Bachmann, Thomas;
Affiliation:
Fraunhofer Institute for Integrated Circuits IIS, Erlangen, Germany; International Audio Laboratories Erlangen, Erlangen, Germany
(See document for exact affiliation information.)
Publication Date:
2022-06-06
Session subject:
Automotive Audio
DOI:
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Weber, Philipp; Uhle, Christian; Hölscher, Sarah; Lang, Matthias; Bachmann, Thomas; 2022; Automated Control of Reverberation Level Using a Perceptional Model [PDF]; Fraunhofer Institute for Integrated Circuits IIS, Erlangen, Germany; International Audio Laboratories Erlangen, Erlangen, Germany; Paper 6; Available from: https://aes.org/publications/elibrary-page/?id=21807
Weber, Philipp; Uhle, Christian; Hölscher, Sarah; Lang, Matthias; Bachmann, Thomas; Automated Control of Reverberation Level Using a Perceptional Model [PDF]; Fraunhofer Institute for Integrated Circuits IIS, Erlangen, Germany; International Audio Laboratories Erlangen, Erlangen, Germany; Paper 6; 2022 Available: https://aes.org/publications/elibrary-page/?id=21807
@inproceedings{Weber2022automated,
title={{Automated Control of Reverberation Level Using a Perceptional Model}},
author={Weber, Philipp and Uhle, Christian and Hölscher, Sarah and Lang, Matthias and Bachmann, Thomas},
year={2022},
month={jun},
booktitle={Journal of the Audio Engineering Society},
publisher={Paper 6; AES Conference: AES 2022 International Automotive Audio Conference; June 2022},
number={6},
organization={AES},
}
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