Regularized NMF-based speech enhancement with spectral components modeled by gaussian mixtures.
Hanwook ChungEric PlourdeBenoît ChampagnePublished in: MLSP (2014)
Keyphrases
- gaussian mixture
- speech enhancement
- linear prediction
- gaussian mixture model
- noisy environments
- em algorithm
- expectation maximization
- probability density function
- noise reduction
- closed form
- signal to noise ratio
- covariance matrix
- speech signal
- single channel
- image processing
- feature extraction
- density estimation
- mixture model
- multiresolution
- multiscale