Resources Contact Us Home Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE     Sound source separation system which converges a separation matrix using a dynamic update amount based on a cost function Image Number 8 for United States Patent #8131542. A system capable of separating sound source signals with high precision while improving a convergence rate and convergence precision. A process of updating a current separation matrix W.sub.k to a next separation matrix W.sub.k+1 such that a next value J(W.sub.k+1) of a cost function is closer to a minimum value J(W.sub.0) than a current value J(W.sub.k) is iteratively performed. An update amount .DELTA.W.sub.k of the separation matrix is increased as the current value J(W.sub.k) of the cost function is increased and is decreased as a current gradient .differential.J(Wk)/.differential.W of the cost function is rapid. On the basis of input signals x from a plurality of microphones M.sub.i and an optimal separation matrix W.sub.0, it is possible to separate sound source signals y(=W.sub.0x) with high precision while improving a convergence rate and convergence precision.       Recently Added Patents Mouse model for pompe disease and methods of use thereof Window for mobile terminal and mobile terminal having the same Method of producing optical fiber preform and optical fiber Methods for CAIGAS aluminum-containing photovoltaics Printhead having improved gas flow deflection system Glass body of a building glass Core training bench   Randomly Featured Patents Method and apparatus for controlling network and workstation access prior to workstation boot Emission monitoring system Earphone without impulse noise and surroundings blockade Integrated parallel flow condenser receiver assembly Cold tool steel featuring high size stability, wear-resistance and machinability Liquid crystal display device and method of manufacturing the same Hybrid equalizer arrangement for use in data communications equipment Anthurium plant named `Anthucoen` High-sensitivity differential refractometer Aperture stop having central aperture region defined by a circular ARC and peripheral region with decreased width, and exposure apparatus and method © 2006-2008 PatentGenius. All Rights Reserved.