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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Melizmų sintezė dirbtinių neuronų tinklais / Melisma synthesis using artificial neural networks

Leonavičius, Romas January 2006 (has links)
Modern methods of speech synthesis are not suitable for restoration of song signals due to lack of vitality and intonation in the resulted sounds. The aim of presented work is to synthesize melismas met in Lithuanian folk songs, by applying Artificial Neural Networks. An analytical survey of rather a widespread literature is presented. First classification and comprehensive discussion of melismas are given. The theory of dynamic systems which will make the basis for studying melismas is presented and finally the relationship for modeling a melisma with nonlinear and dynamic systems is outlined. Investigation of the most widely used Linear Prediction Coding method and possibilities of its improvement. The modification of original Linear Prediction method based on dynamic LPC frame positioning is proposed. On its basis, the new melisma synthesis technique is presented.Developed flexible generalized melisma model, based on two Artificial Neural Networks – a Multilayer Perceptron and Adaline – as well as on two network training algorithms – Levenberg- Marquardt and the Least Squares error minimization – is presented. Moreover, original mathematical models of Fortis, Gruppett, Mordent and Trill are created, fit for synthesizing melismas, and their minimal sizes are proposed. The last chapter concerns experimental investigation, using over 500 melisma records, and corroborates application of the new mathematical models to melisma synthesis of one [ ...].
2

Perdirbimo muitinės procedūrų taikymo įtakos prekių eksportui ir importui analizė ir perspektyvos / Analysis and perspectives of the influence of implementation of processing under customs procedures for the export and import of goods

Zdancevičius, Mindaugas 03 July 2012 (has links)
Baigiamojo magistro darbo tema – „Perdirbimo muitinės procedūrų taikymo įtakos prekių eksportui ir importui analizė ir perspektyvos”. Tokia tema aktuali tarptautinės prekybos kontekste, kadangi minėtų procedūrų vykdymas leidžia ūkio subjektams naudotis pigesnėmis žaliavomis arba pigesne darbo jėga bei teikia kai kurių kitų privalumų ir tokiu būdu padidinamas prekių konkurencingumas pasaulinėje rinkoje. Perdirbimo procedūrų taikymas teigiamai įtakoja bendras valstybės eksporto apimtis, gerina darbo rinkos padėtį ir prisideda prie tarptautinės prekybos liberalizavimo. Darbe siekiama išanalizuoti perdirbimo muitinės procedūrų teisinį reglamentavimą (pradedant tarptautinėmis konvencijomis ir baigiant Lietuvos Respublikos teisės aktais) ir įvertinti kokią realią įtaką šių procedūrų vykdymas turi šalies eksporto ir importo apimtims. Dar vienas iš darbo tikslų – įvertinti perdirbimo muitinės procedūrų teisinio reglamentavimo pokyčius ir ateities vystymosi prognozes. Darbas pagrįstas mokslinės literatūros, susijusios su tarptautine prekyba ir muitinės procedūromis, analize, taip pat Kioto (tarptautinės muitinės procedūrų supaprastinimo ir suderinimo) konvencijos, ES muitų teisės aktų bei kai Lietuvos Respublikos muitų teisės aktų vertinimu. Praktinis perdirbimo muitinės procedūrų įtakos eksportui ir importui įvertinimas atliktas remiantis Lietuvos Respublikos Muitinės informacinių sistemų centro ir Statistikos departamento pateiktais statistiniais duomenimis. Perdirbimo muitinės... [toliau žr. visą tekstą] / The topic of the thesis is "Analysis and perspectives of the influence of implementation of processing under customs procedures for the export and import of goods". This topic is relevant in the context of international trade since the implementation of the aforementioned procedures allows for the economic agents to use cheaper materials or cheaper labor force as well as provides some other advantages and thus increases the competitiveness of goods in the global market. The application of processing procedures positively affects the total country’s export volume, improves the situation in labor market and contributes towards the liberalization of the international trade. The thesis aims to analyze the legal framework of processing under customs procedures (from international conventions to legal acts of the Republic of Lithuania) and evaluate real impact of these procedures on the country’s export and import volumes. Another objective of the work is to assess the changes of legal framework of processing under customs procedures and future development forecasts. The work is based on the analysis of the scientific literature, which is related to international trade and customs procedures as well as evaluation of Kyoto (simplification and coordination of international customs procedures) convention, customs law of the EU as well as some customs laws of the Republic of Lithuania. Practical evaluation of the influence of processing under customs procedures to the export and... [to full text]

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