دوره 8، شماره 2 - ( 3-1395 )                   جلد 8 شماره 2 صفحات 33-44 | برگشت به فهرست نسخه ها

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Sheikhan M. Hybrid of Evolutionary and Swarm Intelligence Algorithms for Prosody Modeling in Natural Speech Synthesis . IJICTR. 2016; 8 (2) :33-44
URL: http://ijict.itrc.ac.ir/article-1-69-fa.html
Hybrid of Evolutionary and Swarm Intelligence Algorithms for Prosody Modeling in Natural Speech Synthesis . نشریه بین المللی فناوری اطلاعات و ارتباطات. 1395; 8 (2) :33-44

URL: http://ijict.itrc.ac.ir/article-1-69-fa.html


چکیده:   (1102 مشاهده)
To reduce the number of input features to a prosody generator in natural speech synthesis application, a hybrid of an evolutionary algorithm and a swarm intelligence-based algorithm is used for feature selection (FS) in this study. The input features to FS unit are word-level and syllable-level linguistic features. The word-level features include punctuation information, part-of-speech tags, semantic indicators, and length of the words. The syllable-level features include the phonemic structure and position indicator of the current syllable in a word. A modified Elman-type dynamic neural network (DNN) is used for prosody generation in this study. The output layer of this DNN provides prosody information at the syllable-level including pitch contour, log-energy level, duration information, and pause data. Simulation results show that the prosody information is predicted with an acceptable error by this hybrid soft-computing method as compared to Elman-type neural network prosody generator and binary gravitational search algorithm-based FS unit.
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نوع مطالعه: پژوهشي | موضوع مقاله: فناوری اطلاعات

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