A new approach for speech enhancement based on the adaptive thresholding of the wavelet packets.
Yasser GhanbariMohammad Reza Karami-MollaeiPublished in: Speech Commun. (2006)
Keyphrases
- adaptive thresholding
- wavelet packet
- speech enhancement
- noisy environments
- single channel
- noise reduction
- signal to noise ratio
- filter bank
- wavelet decomposition
- subband
- linear prediction
- speech signal
- denoising
- wavelet transform
- image segmentation
- multiresolution
- multi channel
- image coding
- quadtree
- speech recognition
- non stationary
- edge preserving
- multiscale
- frequency domain
- maximum likelihood
- signal processing
- high frequency
- wavelet coefficients
- image quality
- carotid artery
- edge detection
- image data
- feature vectors