Boosted Hybrid DNN/HMM System Based on Correlation-Generated Targets

Abstract

In current DNN/HMM hybrid systems, the DNN models are trained by the 1-of-V targets which are obtained by the Viterbi-based forced-alignment. The states are viewed as unrelated and isolated. In fact, some phonemes are acoustically similar. Especially for Chinese, as a tonal language, its number of similar pairs is quadrupled. To add the similarity… (More)
DOI: 10.1109/IIH-MSP.2014.153

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