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Theoretical musical-noise analysis and its generalization for methods of integrating beamforming and spectral subtraction based on higher-order statistics

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dc.contributor.author Yu Takahashi ja
dc.contributor.author Hiroshi Saruwatari ja
dc.contributor.author Kiyohiro Shikano ja
dc.contributor.author Kazunobu Kondo ja
dc.date.accessioned 2012-08-22T07:58:51Z
dc.date.available 2012-08-22T07:58:51Z
dc.date.issued 2010-03 ja
dc.identifier.isbn 9781424442966
dc.identifier.issn 1520-6149 ja
dc.identifier.uri http://hdl.handle.net/10061/8089
dc.description ICASPP2010: IEEE International Conference on Acoustics, Speech, and Signal Processing, March 14-19, 2010, Dallas, Texas, USA. ja
dc.description.abstract In this paper, we conduct a theoretical analysis of the amount of musical noise generated via methods of integrating beamforming and spectral subtraction (SS) based on higher-order statistics under the same noise reduction performance condition. In our previous analysis, we did not consider the effect of flooring technique in SS and the fact that the noise reduction performances of the integration methods are not equivalent. Then, in this study, we analyze the amount of generated musical noise with consideration of such problems. As a result of the analysis, it is clarified that an appropriate structure depends on both the parameters of SS and the statistical characteristics of the input signal. Moreover, it is also revealed that a specific structure is proper to reduce the musical noise for almost all cases. ja
dc.language.iso en ja
dc.publisher IEEE ja
dc.rights Copyright 2010 IEEE ja
dc.subject Musical noise ja
dc.subject higher-order statistics ja
dc.subject spectral subtraction ja
dc.subject acoustic arrays ja
dc.subject speech enhancement ja
dc.title Theoretical musical-noise analysis and its generalization for methods of integrating beamforming and spectral subtraction based on higher-order statistics ja
dc.type.nii Conference Paper ja
dc.textversion Publisher ja
dc.identifier.spage 93 ja
dc.identifier.epage 96 ja
dc.relation.doi 10.1109/ICASSP.2010.5496173 ja


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