A new efficient two-channel backward algorithm for speech intelligibility enhancement: A subband approach

A new two‐microphone Gauss‐Seidel pseudo affine projection algorithm for speech quality enhancement

“…1,2,[11][12][13] We recall here that we have proposed in the previous studies [11][12][13] and in 2 studies 44,45 several techniques that estimate this postfilters. The effect of this postfilter is important when the 2 microphones are closely spaced.…”

“…44,45 In this study, we propose a new two-microphone FBSS Gauss-Seidel AP algorithm that enhances the speech signal and reduces the acoustic noise components from very noisy observations. 44,45 In this study, we propose a new two-microphone FBSS Gauss-Seidel AP algorithm that enhances the speech signal and reduces the acoustic noise components from very noisy observations.…”

New automatic forward and backward blind sources separation algorithms for noise reduction and speech enhancement

“…In the literature, two structures called backward and forward are conceptually simple and allow carrying out the noise reduction by blind sources separation (BSS) approaches [5,6]. Recently, we have proposed subband implementation of these two forward and backward BSS structures to improve their convergence speed performances [14,15]. …”

A new regularized forward blind source separation algorithm for automatic speech quality enhancement

“…One of the main challenges for noise suppression algorithms methods is the detection or the estimation of the signal of interest. For example, the BSS techniques have shown a good performances that makes the hands-free system in a car communication highly robust toward noise components [22][23][24][25][26][27][28][29][30][31][32]. It is well known that the BSS is a powerful technique for acoustic noise reduction and speech enhancement in many situation such as in a car configuration involving loosely spaced microphones and short impulse responses.…”

“…FBSS and BBSS) structures applied to enhance corrupted speech signals and to cancel the acoustic noise components. Several works have dealt with these two structures [18][19][20][21][22][23]. However, all of these techniques used a MVAD system that makes them inoperative in practice.…”