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In order to improve the performance of vector quantization based on different patterns, a fractional bit allocation algorithm for unvoiced/voiced(U/V) and pitch parameters based on Mixed Excitation Linear Prediction (MELP) has been proposed in this paper. This algorithm first quantizes U/V with integral bit allocation as the pattern index of pitch and gets every quantization distortion of pitch under...
This paper provides a new method for written productive vocabulary evaluation, an algorithm based on Sugeno measure. Lexical Richness and Lexical Frequency Profile are selected as evaluation indexes, and weight parameters are given by experts. Then Sugeno measure is used to integrate them. The experimental results have shown that, compared with traditional evaluation method based on teachers' subjective...
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