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Codebook dependent dynamic channel estimation for Mandarin speech recognition over telephone
7th International Conference on Spoken Language Processing (ICSLP 2002)
Automatic speech recognition in telecommunications environment still has a lower correct rate compared to its desktop pairs. Improving the performance of telephone-quality speech recognition is an urgent problem for its application in those practical fields. Previous works have shown that the main reason for this performance degradation is the variational mismatch caused by different telephone channels between the testing and training sets. In this paper, we propose an efficient implementationdoi:10.21437/icslp.2002-599 fatcat:2f4vvh7wdnewdaxxg7bbckhmsy