An Active Multichannel Downmix Enhancement for Minimizing Spatial and Spectral Distortions
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J. Thompson, A. Warner, and B. Smith, "An Active Multichannel Downmix Enhancement for Minimizing Spatial and Spectral Distortions," Paper 7913, (2009 October.). doi:
J. Thompson, A. Warner, and B. Smith, "An Active Multichannel Downmix Enhancement for Minimizing Spatial and Spectral Distortions," Paper 7913, (2009 October.). doi:
Abstract: With the continuing growth of multichannel audio formats, the issue of downmixing to legacy formats such as stereo or mono remains an important problem. Traditional downmix methods use fixed downmix coefficients and mixing equations to blindly combine N input channels into M output channels, where N is greater than M. This commonly produces unpredictable and unsatisfactory results due to the dependence of these passive methods on input signal characteristics. In this paper, an active downmix enhancement employing frequency domain analysis of key inter-channel spatial cues is described which minimizes various distortions commonly observed in passively downmixed audio such as spatial inaccuracy, timbre change, signal coloration, and reduced intelligibility.
@article{thompson2009an,
author={thompson, jeffrey and warner, aaron and smith, brandon},
journal={journal of the audio engineering society},
title={an active multichannel downmix enhancement for minimizing spatial and spectral distortions},
year={2009},
volume={},
number={},
pages={},
doi={},
month={october},}
@article{thompson2009an,
author={thompson, jeffrey and warner, aaron and smith, brandon},
journal={journal of the audio engineering society},
title={an active multichannel downmix enhancement for minimizing spatial and spectral distortions},
year={2009},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={with the continuing growth of multichannel audio formats, the issue of downmixing to legacy formats such as stereo or mono remains an important problem. traditional downmix methods use fixed downmix coefficients and mixing equations to blindly combine n input channels into m output channels, where n is greater than m. this commonly produces unpredictable and unsatisfactory results due to the dependence of these passive methods on input signal characteristics. in this paper, an active downmix enhancement employing frequency domain analysis of key inter-channel spatial cues is described which minimizes various distortions commonly observed in passively downmixed audio such as spatial inaccuracy, timbre change, signal coloration, and reduced intelligibility.},}
TY - paper
TI - An Active Multichannel Downmix Enhancement for Minimizing Spatial and Spectral Distortions
SP -
EP -
AU - Thompson, Jeffrey
AU - Warner, Aaron
AU - Smith, Brandon
PY - 2009
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2009
TY - paper
TI - An Active Multichannel Downmix Enhancement for Minimizing Spatial and Spectral Distortions
SP -
EP -
AU - Thompson, Jeffrey
AU - Warner, Aaron
AU - Smith, Brandon
PY - 2009
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2009
AB - With the continuing growth of multichannel audio formats, the issue of downmixing to legacy formats such as stereo or mono remains an important problem. Traditional downmix methods use fixed downmix coefficients and mixing equations to blindly combine N input channels into M output channels, where N is greater than M. This commonly produces unpredictable and unsatisfactory results due to the dependence of these passive methods on input signal characteristics. In this paper, an active downmix enhancement employing frequency domain analysis of key inter-channel spatial cues is described which minimizes various distortions commonly observed in passively downmixed audio such as spatial inaccuracy, timbre change, signal coloration, and reduced intelligibility.
With the continuing growth of multichannel audio formats, the issue of downmixing to legacy formats such as stereo or mono remains an important problem. Traditional downmix methods use fixed downmix coefficients and mixing equations to blindly combine N input channels into M output channels, where N is greater than M. This commonly produces unpredictable and unsatisfactory results due to the dependence of these passive methods on input signal characteristics. In this paper, an active downmix enhancement employing frequency domain analysis of key inter-channel spatial cues is described which minimizes various distortions commonly observed in passively downmixed audio such as spatial inaccuracy, timbre change, signal coloration, and reduced intelligibility.
Authors:
Thompson, Jeffrey; Warner, Aaron; Smith, Brandon
Affiliation:
DTS, Inc., Agora Hills, CA, USA
AES Convention:
127 (October 2009)
Paper Number:
7913
Publication Date:
October 1, 2009Import into BibTeX
Subject:
Spatial Audio
Permalink:
http://www.aes.org/e-lib/browse.cfm?elib=15108