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Realizace TTS jako systémového ovladače pro Microsoft Speech API
Přibil, Jiří
The paper is aimed to the analysis of structure and function of the Microsoft Speech Application Interface /SAPI/. Realization of the TTS system as the SAPI Engine is mainly discussed. Study and use of was MS SAPI motivated by requirement of increased applicability of current Czech and Slovak TTS system first of all in telecommunication services. Necessary modifications of our TTS system for impelementation into the SAPI standard are also mentioned.
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Modifikace obálky řečového spektra
Přibilová, Anna
The paper is aimed at speech spectrum envelope modification for voice conversion. Spline interpolation using digital filtering techniques with cubic B-splines is applied to speech spectrum envelope determination. Modification of the determined spectrum envelope is performed as the formant shift by a constant factor corresponding to the mean formant shift between male and female voices. Together with pitch modification by a constant factor, voice conversion from male to female and vice versa is performed.
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Příprava a charakterizace struktur ZnO malých rozměrů
Grym, Jan ; Fernández, P. ; Piqueras, J.
ZnO low dimensional structures were prepared in order to study their unique electronic and optical properties. ZnO nanocrystals were obtained by ball milling of commercially available powders. This process was found to produce particles with sizes of tens to hundreds nanometers being composed of nanocrystals down to a few nanometers. ZnO micro and nanorods mainly of hexagonal shape as well as nanotubes and nanocombs were grown by vapor-solid method in a muffle furnace under the flow of high purity argon.
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Testování a simulace dlouhých propojení na deskách plošných spojů
Blecha, T. ; Heindl, K. ; Braun, Jaromír ; Jelínek, František
This work evolved in cooperation with the IREE AS CR, where they deal with simulation of long wiring on substrate. At present we work with higher frequency and the problem is with long wiring here. For example, long wiring is a conductive way longer than 15 cm for frequency 2 Ghz. This conductive way often occurs in electronics /bus, clock, etc/. It may cause the problems related with form, width and distance of conductive way, via and another influence on these frequencies. This article describes the results of long wiring measure on designed test samples and these results compare with theoretical simulation.
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