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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Konverse hlasu založená na nelineární transformaci spektra
 Vích, Robert ; Vondra, Martin
A new voice conversion algorithm is presented, which transforms the utterance of a source speaker into the utterance of a target speaker. The voice conversion algorithm is based on spectral speech analysis, nonlinear frequency transformation, spectral envelope warping, spectrum interpolation and cepstral speech synthesis. Prosodic transformations, i.e. fundamental frequency, time and intensity scale modifications are also shortly mentioned.
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Realizace TTS jako systémového ovladače pro Microsoft Speech API
 Přibilová, Anna ; Přibil, Jiří
The paper deals with implementation of voice modification in the Czech and Slovak text-to-speech /TTS/ system as Microsoft speech application programming interface /MS SAPI/ TTS engine based on diphone inventory. The original male voice database serves for creation of three derived databases with modification factors given by the average formant and pitch shift between male, female and childish voices. The source-filter model as well as the harmonic speech model, both with cepstral description, were used.
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Zpracování řeči
Speech Processing is a periodic publication collecting the contributions presented at the Czech-German Workshops on Speech Processing organized every year in September in Prague. The papers are devoted to speech analysis, synthesis, recognition, enhancement and phonetics.
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