Kizuki Matsumoto Noboru Hayasaka Youji Iiguni Noise robust speaker identification by dividing MFCC. 652-655 2014 ISCCSP https://doi.org/10.1109/ISCCSP.2014.6877959 conf/isccsp/2014 db/conf/isccsp/isccsp2014.html#MatsumotoHI14