Hidden Markov model-based speech enhancement using multivariate Laplace and Gaussian distributions.
Ali AroudiHadi VeisiHossein SametiPublished in: IET Signal Process. (2015)
Keyphrases
- gaussian distribution
- speech enhancement
- multivariate gaussian
- noise reduction
- noisy environments
- signal to noise ratio
- single channel
- speech signal
- maximum likelihood
- noise model
- linear prediction
- gaussian mixture model
- expectation maximization
- wiener filter
- background noise
- smoothing algorithm
- multi channel
- vocal tract
- covariance matrix
- edge preserving
- information retrieval
- additive noise
- maximum likelihood estimation
- prior information
- edge detection
- parameter estimation
- speech recognition