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    Source number estimation in reverberant conditions via full-band weighted, adaptive fuzzy c-means clustering

    Access Status
    Fulltext not available
    Authors
    Hollick, J.
    Jafari, I.
    Togneri, R.
    Nordholm, Sven
    Date
    2014
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Hollick, J. and Jafari, I. and Togneri, R. and Nordholm, S. 2014. Source number estimation in reverberant conditions via full-band weighted, adaptive fuzzy c-means clustering, in IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP), May 4 2014. Florence, Italy: IEEE.
    Source Title
    Acoustics, Speech and Signal Processing (ICASSP)
    Source Conference
    2014 IEEE International Conference on Acoustics, Speech, andSignal Processing (ICASSP)
    DOI
    10.1109/ICASSP.2014.6855048
    School
    Department of Electrical and Computer Engineering
    URI
    http://hdl.handle.net/20.500.11937/35254
    Collection
    • Curtin Research Publications
    Abstract

    We introduce a novel approach for source number estimation through an adaptive fuzzy c-means clustering. Spatial feature vectors are extracted from microphone observations, weighted for reliability and then clustered in a full-band manner using an adaptive variation on the fuzzy c-means. A number of quality measures are combined to produce a weighted sum which is used to find the optimal number of clusters at each iteration of the clustering algorithm. Experimental evaluations using real-world recordings from a reverberant room (RT60 = 390 ms) demonstrated encouraging performance in both even- and under-determined conditions.

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