Penalty function-based joint diagonalization approach for convolutive blind separation of nonstationary sources - Wenwu Wang; Sanei, S.; Chambers, J.A. (IEEE transactions on signal processing, 2005)
Keywords: Algorithms; Applied sciences; Blind source separation; Blinds; Convergence of numerical methods; convolutive mixtures; Cost function; Covariance matrix; Detection, estimation, filtering, equalization, prediction; Exact sciences and technology; Fines & penalties; frequency domain; Frequency domain analysis; Frequency estimation; Information, signal and communications theory; Mathematical models; Matrices; orthogonal/nonorthogonal constraints; Penalty function; Searching; Separation; Shape; Signal and communications theory; Signal processing; Signal, noise; Source separation; Speech; Speech processing; speech signals; Studies; Telecommunications and information theory; Performance evaluation; Diagonalization; Second order; Parameter estimation; Source separation; Signal estimation; Blind source separation; frequency domain; Low frequency; Penalty function; Covariance; orthogonal/nonorthogonal constraints; Convergence rate; speech signals; Gradient method; convolutive mixtures; Unconstrained optimization; Acoustic signal; Non stationary condition; Frequency domain method; Algorithm; Blind separation; Power consumption; Descent method; Signal processing; Economic aspect; Cost analysis; Power spectrum