Title :
Wavelet denoising of speech using neural networks for
Author :
Medina, C.A. ; Alcaim, A. ; Apolinário, J.A., Jr.
Author_Institution :
IME, Dept. of Electr. Eng., Rio de Janeiro, Brazil
Abstract :
A new wavelet-based denoising scheme for speech enhancement
Keywords :
AWGN; backpropagation; error statistics; neural nets; signal denoising; speaker recognition; speech enhancement; wavelet transforms; Gaussian mixture model; SNR gain; SureShrink algorithm; additive white Gaussian noise; backpropagation; detail coefficients; error rate performance; level-dependent threshold; neural network; speaker verification system; speech enhancement; threshold selection; thresholding nonlinearity; wavelet-based denoising;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20031200
