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Recognizing unit for word voice

阅读:639发布:2023-01-17

专利汇可以提供Recognizing unit for word voice专利检索,专利查询,专利分析的服务。并且PURPOSE: To improve a recognition ratio by providing the inferior and superior limits to a continuance time of a phoneme and by selecting the maximum value of similarity through the optimum matching within the limits.
CONSTITUTION: Feature extraction part 2 segments an input signal at a short- constant-time interval and counts a self-correlative function expressing the power and spectrum of each segment, and its output is compared with the spectrum pattern of a phoneme of reference pattern memory 4, so that phoneme recognition part 3 will calculate a degree of similarity. In this case, word dictionary memory 6 is equipped which describes a word to be recognized as a system of a phoneme by adding a discrimination symbol, and the optimum matching is attained within the inferior and superior limits given to the continuance time of a phoneme using matching part 7. As a resule, the largest one of degrees of similarity obtained by matching part 7 is selected by maximum-similarity selection part 10 and the word of the corresponding phonemic symbol string is outputted as the recognition result, so that the improvement of a recognition ratio can be attained.
COPYRIGHT: (C)1979,JPO&Japio,下面是Recognizing unit for word voice专利的具体信息内容。

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