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Abstract
TITLE
A Method of Signal Extraction from Noise-Added Signal
AUTHORS
Masashi UNOKI
Masato AKAGI
AFFILIATION
Japan Advanced Institute of Science and Technology, Hokuriku
Ishikawa-ken, 923-12 Japan
Abstract
Keyword
Introduction
Formulation of the problem of segregating two acoustic sources
Wavelet filterbank with the gammatone filter
Definition of the wavelet transform
Characteristic of the gammatone filter
Wavelet filterbank
Calculation of physical parameters
Calculation of amplitude envelope
S
k
(
t
) and output phase
Calculation of input phase
Segregation algorithm
Simulations of segregation
Experimental stimuli
Results
Parameter setting for the human auditory properties
Re-design of the wavelet filterbank
Conditions and Results
Conclusions
Bibliography
Appendix 1. Proof of Lemma 1
Biography
About this document ...
Masashi Unoki
2000-10-26
