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According to the decline of recognition rate of speech recognition system in the noise environments, an improved perceptually non-uniform spectral compression feature extraction algorithm is put forward in this paper. This method can realize an effective compression of the speech signals and make the training and recognition environments more matching, so the recognition rate can be improved in the...
In this article, the performance of a novel radio resource management (RRM) strategy for voice over IP (VoIP) service will be evaluated in low code rate (LCR) time duplex high speed downlink packet access (TD-HSDPA) system. This novel RRM strategy is studied from the aspects of scheduling algorithm and time slot assignment algorithm. As VoIP is delay sensitive service, the delay based proportional...
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