Adaptive Beamforming Based on Interference-Plus-Noise Covariance Matrix Reconstruction for Speech Separation.
Yongxiong XiaoShiqiang ZhuTe LiMinhong WanWei SongJason GuQiang FuPublished in: APSIPA ASC (2023)
Keyphrases
- covariance matrix
- speech enhancement
- noisy environments
- covariance matrices
- noise reduction
- principal component analysis
- signal to noise ratio
- sample size
- estimation error
- speech signal
- multivariate gaussian
- gaussian mixture
- positive definite
- noise level
- single channel
- sound source
- eigenvalues and eigenvectors
- correlation matrix
- geometrical interpretation
- image reconstruction
- frequency domain
- objective function
- noise model
- audio visual
- speech recognition
- vocal tract
- gaussian noise
- eigendecomposition
- mahalanobis distance
- genetic algorithm
- symmetric matrix
- computer vision