2006
DOI: 10.1007/11679363_66
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A Novel Normalization and Regularization Scheme for Broadband Convolutive Blind Source Separation

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Cited by 6 publications
(5 citation statements)
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“…Em seguida, a matriz circulante é diagonalizada aplicando-se a matriz DFT F R , de tamanho R × R, onde R ≥ L + N representa o comprimento da transformada. Esses dois passos são aplicados em [7] à matriz Toeplitz do sinal de saída Y q (b), conforme as equações:…”
Section: Algoritmo Trinicon No Domínio Dftunclassified
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“…Em seguida, a matriz circulante é diagonalizada aplicando-se a matriz DFT F R , de tamanho R × R, onde R ≥ L + N representa o comprimento da transformada. Esses dois passos são aplicados em [7] à matriz Toeplitz do sinal de saída Y q (b), conforme as equações:…”
Section: Algoritmo Trinicon No Domínio Dftunclassified
“…A. Cálculo da matriz R −1 ypyq (b) Utilizando o teorema Szego, podemos aproximar o inverso da matriz R ypyq (b) pelo inverso da matriz circulante, como feito em [7], ou seja,…”
Section: Algoritmo Trinicon No Domínio Dftunclassified
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“…Many algorithms extended the multi-channel Wiener filtering (MWF) to preserve the binaural cues between sources and microphones [11,12,13,14]. Blind source separation (BSS) was designed to dealing with directional interference signals and also been extended to the spatial cues preservation [15,16,17].…”
Section: Introductionmentioning
confidence: 99%
“…For that purpose, it is necessary to express the Toeplitz matrices in circulant Toeplitz form [23,260,261,195,121,171]. A method that avoids the circularity effects but maintains the computational efficiency of the FFT has been presented in [262]. Further discussion on the circularity problem can be found in [189].…”
Section: Circularity Problemmentioning
confidence: 99%