Wavelet based speech presence probability estimator for speech enhancement.
Daniel Pak-Kong LunTak-Wai ShenTai-Chiu HsungDominic K. C. HoPublished in: Digit. Signal Process. (2012)
Keyphrases
- speech enhancement
- noisy environments
- speech signal
- noise reduction
- signal to noise ratio
- single channel
- vocal tract
- noisy speech
- speech recognition
- linear prediction
- multiresolution
- smoothing algorithm
- additive noise
- wiener filter
- wavelet transform
- multi channel
- least squares
- probability distribution
- background noise
- speaker identification
- speech synthesis
- maximum likelihood
- random variables
- edge detection
- hidden markov models
- spectral analysis
- non stationary
- automatic speech recognition
- image compression
- subband