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Publisher
Springer, Berlin, Heidelberg
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Authors: Akihide Horita Kenji Nakayama Akihiro Hirano
Publish Date: 2007/9/9
Volume: , Issue: , Pages: 169-179
Abstract
FeedForward FF and FeedBack FB structures have been proposed for Blind Source Separation BSS The FFBSS systems have some degrees of freedom in the solution space and signal distortion is likely to occur in convolutive mixtures On the other hand the FBBSS structure does not cause signal distortion However it requires a condition on the propagation delays in the mixing process In this paper source separation performance in the FBBSS is theoretically analyzed taking the propagation delays into account Simulation is carried out by using white signals and speech signals as the signal sources The FFBSS system and the FBBSS system are compared Even though the FBBSS can provide good separation performance there exits some limitation on location of the signal sources and the sensors
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