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Conventional Gaussian mixture model (GMM) Speech Bandwidth Extension (BWE) methods often suffer from the overly smoothed problem. Thus, a method of BWE based on a cluster process and GMM whose parameters are determined by expectation-Maximization (EM) is proposed. Firstly, a cluster process is used to cluster the low frequency and high frequency parameters, and then the GMM for each cluster is established...
As time goes on, the current running information system produces massive data. Obviously the previous hardware could not fit for managing the much bigger data any more. In order to upgrade the system, there are three main problems need to consider: enough storage space, high reliability, high performance and relatively low cost. As an open-source J2EE framework, SSH2 is widely used by developers to...
With the development of the transport sector maritime industry, in data integration, especially the import and export of data, lack an efficient and quick method. In this paper, we make a research on the XML technical features and design a new data integration structure, including modules for data import and export. Finally we use the new integration structure into practice. On the basis of the XML...
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