School of Information Science and Engineering;
Southeast University;
Nanjing 210096;
China;
College of Computer and Information;
Hohai University;
Changzhou 213022;
China;
School of Communication Engineering;
Nanjing Institute of Technology;
Nanjing 211167;
China;
Sound source localization; Wavelet decomposition; Hotelling T2 statistical model; Digital hearing aids;