BLIND SOURCE SEPARATION AND SOUND SOURCE LOCALIZATION ON TIME-FREQUENCY DOMAIN CONSIDERING TIME LAG INFORMATION
Fumio Sasaki, Shogo Ueda, Masahito Yasuoka, Osamu TANAKA · Journal of Environmental Engineering (Transactions of AIJ) · 2009
The blind source separation and specification of location on time-frequency domain considering time lag information are conducted. The formulation based on the independency of time-frequency domain is presented. First of all, the number of source signals is specified. Next, the locations of source signals are specified. Then, the source signals are obtained. The numerical test is conducted to confirm our method, and then the locations of source signals and source signals are obtained by high accuracy.