This article introduced the first speech recognition research and development, and then follow the voice recognition system Processing, speech recognition, introduced the various steps, each step of the methods available in the real A post-mortem conducted on the basis of the analysis and comparison. Research on the speech signal pre-processing and feature extraction, including Digitized voice signals, sub-frame window, pre-emphasis filtering, endpoint detection feature vector in time domain and variable Eigenvector for the domain. One endpoint detection method using dual-threshold. Through experiments over the selection of characteristic parameters, The use of 12-order linear prediction cepstral coefficients as recognition parameters. Detailed analysis of the specific operator who isolated word recognition Law, selected Dynamic Time Warping Algorithm for identifying and focusing on the achievement of its design. In Vi su alC++ environment, design and realization of a s

中文特定人孤立词语音识别系统的开发与研究.pdf

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