The Application of Discriminative Training Techniques in LID System Fusion
This paper reports an approach to language identification (LID) system fusion using discriminative training. Maximum mutual information (MMI) training for Gaussian mixture model is introduced to the standard LDA-GMM fusion framework. Experimental results show that the proposed fusion scheme outperforms the maximum likelihood (ML) trained backend of LID system. The impact of number of Gaussian mixtures on fusion performance is also discussed.
Tao Hou Weiqiang Zhang Jia Liu
Department of Electronic Engineering, Tsinghua University, Beijing 100084, China
国际会议
2008 International Conference on Audio,Language and Image Processing(2008国际声音、语言、图像过程大会)
镇江
英文
1457-1460
2008-07-07(万方平台首次上网日期,不代表论文的发表时间)