Improved perceptually non-uniform spectral compression for robust speech recognition
ZHANG Yi, HE Chun-jiang, LUO Yuan, CHEN Kai, XING Wu-chao
Acta Metallurgica Sinica(English letters) . 2013, (4): 122 -126 .  DOI: 10.1016/S1005-8885(13)60080-1