Perceptual wavelet-representation of speech signals and its application to speech enhancement.
Istvan PintérPublished in: Comput. Speech Lang. (1996)
Keyphrases
- speech enhancement
- speech signal
- noise reduction
- noisy environments
- single channel
- wavelet decomposition
- signal to noise ratio
- linear prediction
- speech recognition
- vocal tract
- automatic speech recognition
- noisy speech
- non stationary
- hidden markov models
- additive noise
- smoothing algorithm
- background noise
- human visual system
- multi channel
- multiresolution
- edge preserving
- wiener filter
- machine learning
- high frequency
- image quality
- face recognition