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TSP
2008
166views more  TSP 2008»
13 years 11 months ago
Audio Denoising by Time-Frequency Block Thresholding
Abstract--Removing noise from audio signals requires a nondiagonal processing of time-frequency coefficients to avoid producing "musical noise." State of the art algorith...
Guoshen Yu, Stéphane Mallat, Emmanuel Bacry
TSP
2008
95views more  TSP 2008»
13 years 11 months ago
On the Description of Spectrogram Probabilities With a Chi-Squared Law
Abstract--Given a correlated Gaussian signal, may a chisquared law of probability always be used to describe a spectrogram coefficient distribution? If not, would a "chi-squar...
J. Huillery, F. Millioz, N. Martin