HMM-based strategies for enhancement of speech signals embedded in nonstationary noise.
Hossein SametiHamid SheikhzadehLi DengRobert L. BrennanPublished in: IEEE Trans. Speech Audio Process. (1998)
Keyphrases
- non stationary
- speech signal
- background noise
- spectral subtraction
- additive noise
- noisy environments
- speech enhancement
- noisy speech
- automatic speech recognition
- blind source separation
- linear prediction
- hidden markov models
- vocal tract
- automatic speech recognition systems
- adaptive algorithms
- image enhancement
- speech quality
- autoregressive
- random fields
- image processing
- noise reduction
- speech recognition
- noise level
- signal to noise ratio
- fractional brownian motion
- information retrieval
- concept drift
- pattern recognition
- discrete valued
- multiscale