Neural full-rank spatial covariance analysis for blind source separation

Y Bando, K Sekiguchi, Y Masuyama… - IEEE Signal …, 2021 - ieeexplore.ieee.org
This paper describes aneural blind source separation (BSS) method based on amortized
variational inference (AVI) of a non-linear generative model of mixture signals. A classical …

Fast online source steering algorithm for tracking single moving source using online independent vector analysis

T Nakashima, R Ikeshita, N Ono… - ICASSP 2023-2023 …, 2023 - ieeexplore.ieee.org
We address the problem of separating moving sources using online independent vector
analysis (IVA). To solve this problem, researchers have extended the iterative projection (IP) …

Speech dereverberation and source separation using DNN-WPE and LWPR-PCA

JJC Sheeja, B Sankaragomathi - Neural Computing and Applications, 2023 - Springer
Speech signals observed from distantly placed microphones may have some acoustic
interference, such as noise and reverberation. These may lead to the degradation of the …

Autoregressive moving average jointly-diagonalizable spatial covariance analysis for joint source separation and dereverberation

K Sekiguchi, Y Bando, AA Nugraha… - … on Audio, Speech …, 2022 - ieeexplore.ieee.org
This article describes a computationally-efficient statistical approach to joint (semi-) blind
source separation and dereverberation for multichannel noisy reverberant mixture signals. A …

Learning sentimental and financial signals with normalizing flows for stock movement prediction

W Tai, T Zhong, Y Mo, F Zhou - IEEE Signal Processing Letters, 2021 - ieeexplore.ieee.org
Stockmovement prediction using Tweets (text) and historical price signals (time series)
remains a challenging task due to the complex, noisy and dynamic nature of the stock …

CNN-QTLBO: an optimal blind source separation and blind dereverberation scheme using lightweight CNN-QTLBO and PCDP-LDA for speech mixtures

JJC Sheeja, B Sankaragomathi - Signal, Image and Video Processing, 2022 - Springer
A microphone positioned far away observes speech signals with little acoustic interference,
in terms of both reverberation and noise. As a result, the quality of blind speech degrades …

Sepdiff: Speech separation based on denoising diffusion model

B Chen, C Wu, W Zhao - ICASSP 2023-2023 IEEE International …, 2023 - ieeexplore.ieee.org
Speech separation aims to extract multiple speech sources from mixed signals. In this paper,
we propose SepDiff-a monaural speech separation method based on the denoising …

FastMVAE2: On improving and accelerating the fast variational autoencoder-based source separation algorithm for determined mixtures

L Li, H Kameoka, S Makino - IEEE/ACM Transactions on Audio …, 2022 - ieeexplore.ieee.org
This article proposes a new source model and training scheme to improve the accuracy and
speed of the multichannel variational autoencoder (MVAE) method. The MVAE method is a …

Blind source separation algorithm for noisy hydroacoustic signals based on decoupled convolutional neural networks

S Li, Z Yu, P Wang, G Sun, J Wang - Ocean Engineering, 2024 - Elsevier
Wireless communication technology has been widely used in marine engineering, marine
ranching and Marine environmental monitoring. However, structural redundancy and …

[PDF][PDF] Self-Rotation-Robust Online-Independent Vector Analysis with Sound Field Interpolation on Circular Microphone Array

T Nakashima, Y Wakabayashi… - APSIPA Transactions on …, 2024 - nowpublishers.com
In this paper, we propose an online blind source separation (BSS) method that is robust
against the self-rotation of microphone arrays. Online auxiliary-function-based independent …