2008 6th International Symposium on Chinese Spoken Language Processing 2008
DOI: 10.1109/chinsl.2008.ecp.30
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Effect of Feature Smoothing for Robust Speech Recognition

Abstract: One class of feature enhancement techniques improve features' robustness by performing temporal filtering to smooth the feature trajectories. While smoothing can enhance the features' robustness by reducing the intra-class variation of the features, it also compromises the features' discriminative power by reducing their inter-class distance. In this paper, we investigate the effect of feature smoothing on speech recognition performance. To evaluate how different degrees of smoothing will affect the performanc… Show more

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