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TSP
2008
166views more  TSP 2008»
13 years 4 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 4 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