Efficient Cepstral Normalization for Robust Speech Recognition Fu-Hua Liu author Richard M Stern author Xuedong Huang author Alejandro Acero author 1993 text Human Language Technology: Proceedings of a Workshop Held at Plainsboro, New Jersey, March 21-24, 1993 conference publication liu-etal-1993-efficient https://aclanthology.org/H93-1014/ 1993