Ni-Chun WangJeih-Weih HungLin-Shan LeeData-driven temporal filters based on multi-eigenvectors for robust features in speech recognition.400-4032003ICASSP (1)https://doi.org/10.1109/ICASSP.2003.1198802conf/icassp/2003db/conf/icassp/icassp2003.html#WangHL03