Oral English Evaluation Method and System
An evaluation method and spoken language technology, applied in speech analysis, speech recognition, instruments, etc., can solve problems such as the decline in the accuracy of speech recognition, the limitation of the application scope and promotion of the oral language evaluation system, and the difficulty of automatic computer scoring. Achieve comprehensive and accurate evaluation, reduce the effect of identifying and evaluating feature extraction anomalies
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[0039] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.
[0040] Aiming at the problem in the prior art that a certain proportion of abnormally scored voices will appear in the spoken language evaluation process due to the decline in the accuracy of speech recognition affected by environmental factors, the embodiment of the present invention provides a spoken language evaluation method and system. First, the speech signal to be evaluated uses A variety of speech recognition methods are used for recognition to obtain a variety of recognition results; then the evaluation features based on different feature types are extracted from each recognition result, and the scores are calculated according to the evaluation features; The scores are optimized and fused to obtain compr...
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