Improved single-channel nonstationary noise tracking by an optimized MAP-based postprocessor.
Aleksej ChinaevReinhold Haeb-UmbachJalal TaghiaRainer MartinPublished in: ICASSP (2013)
Keyphrases
- non stationary
- single channel
- multi channel
- speech enhancement
- wiener filter
- speech signal
- wavelet decomposition
- frequency domain
- noise reduction
- noisy environments
- independent component analysis
- prior information
- random fields
- particle filter
- autoregressive
- additive noise
- blind source separation
- computer vision
- signal to noise ratio
- multiscale
- sound source
- brain activity