An architecture for wavelet-packet based speech enhancement for hearing aids.
María A. TrenasJuan LópezEmilio L. ZapataFrancisco ArgüelloPublished in: ICASSP (2000)
Keyphrases
- hearing aids
- wavelet packet
- speech enhancement
- noise reduction
- speech signal
- noisy environments
- single channel
- signal to noise ratio
- denoising
- wavelet decomposition
- subband
- filter bank
- linear prediction
- spectral subtraction
- wavelet transform
- wiener filter
- non stationary
- vocal tract
- multiscale
- edge preserving
- quadtree
- edge detection
- multiresolution
- frequency band
- background noise
- smoothing algorithm
- image acquisition
- hidden markov models
- feature vectors
- automatic speech recognition