Speech Enhancement Using Perceptual Wavelet Packet Decomposition and Teager Energy Operator.
Shi-Huang ChenJhing-Fa WangPublished in: J. VLSI Signal Process. (2004)
Keyphrases
- speech enhancement
- wavelet packet decomposition
- image recognition
- noisy environments
- noise reduction
- frequency band
- signal to noise ratio
- wavelet packet
- wavelet transformation
- speech signal
- single channel
- subband
- linear prediction
- vocal tract
- background noise
- multiresolution
- neural network
- machine learning
- human visual system
- feature vectors
- wavelet decomposition
- speech recognition
- smoothing algorithm
- multiscale