Speech enhancement based on wavelet packet of an improved principal component analysis.
Mohamed Anouar Ben MessaoudAïcha BouzidNoureddine EllouzePublished in: Comput. Speech Lang. (2016)
Keyphrases
- wavelet packet
- speech enhancement
- principal component analysis
- single channel
- noise reduction
- noisy environments
- filter bank
- independent component analysis
- subband
- denoising
- linear prediction
- wavelet decomposition
- signal to noise ratio
- wiener filter
- speech signal
- wavelet transform
- non stationary
- image coding
- vocal tract
- face recognition
- feature extraction
- multiscale
- frequency band
- background noise
- multiresolution
- multi channel
- frequency domain
- quadtree
- smoothing algorithm
- signal processing
- edge preserving
- speech recognition
- building blocks
- computer vision
- feature vectors
- data structure
- high frequency