Improved Speech Spatial Covariance Matrix Estimation for Online Multi-Microphone Speech Enhancement.
Minseung KimSein CheongHyungchan SongJong Won ShinPublished in: Sensors (2023)
Keyphrases
- covariance matrix
- speech enhancement
- speech signal
- noisy environments
- noise reduction
- automatic speech recognition
- signal to noise ratio
- covariance matrices
- single channel
- estimation error
- vocal tract
- linear prediction
- speech recognition
- principal component analysis
- noisy speech
- sample size
- multi channel
- correlation matrix
- smoothing algorithm
- wiener filter
- parameter estimation
- non stationary
- background noise
- objective function
- feature selection
- super resolution