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Endpoint detection is a typical classification problem, which means the signal will be divided into two types of speech and background noise. Under the environment with low SNR, in order to better enhance the discrimination of noise and improve the accuracy of speech endpoint detection system, this paper proposes a new type of voice parameter — sub-band energy-entropy-ratio by combining the sub-band...
Geographical information becomes a kind of very important attribute for web documents, considering the fact that a large proportion of documents on the web contain geographical information. GIR (Geographical information retrieval) systems can identify those geographical information and extract the geographical focus in the documents automatically, hence supporting geo-related queries for information...
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