Wavelet speech enhancement based on nonnegative matrix factorization.

Syu-Siang Wang Alan Chern Yu Tsao Jeih-Weih Hung Xugang Lu Ying-Hui Lai Borching Su

Published in: CoRR (2016)

Keyphrases

nonnegative matrix factorization
speech enhancement
noise reduction
single channel
noisy environments
signal to noise ratio
wavelet decomposition
negative matrix factorization

matrix factorization
speech signal
wavelet transform
data representation
denoising
wavelet coefficients
linear prediction
wiener filter

multiscale
least squares
smoothing algorithm
vocal tract
multiresolution
principal component analysis
multi channel
spectral clustering

wavelet domain
original data
edge detection
objective function
data sets
linear combination
image processing