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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

Atvirojo kodo garso apdorojimo programinės įrangos analizė / Analysis of the open source sound processing software

Kliukovska, Regina 16 August 2007 (has links)
Baigiamojo magistro darbo tikslas – aprašyti ir ištirti šiuolaikinę atvirojo kodo garso apdorojimo programinę įrangą, jos privalumus ir trūkumus. Darbe apžvelgiami pagrindiniai garso apdorojimo uždaviniai. Trumpai aprašius keletą populiariausių garso apdorojimo programų, darbe išsamiai nagrinėjama atvirojo kodo programa Audacity. Analizuojamos šios sistemos garso redagavimo galimybės, pateikiama daug iliustracijų, įvairių garso redagavimo ir analizės pavyzdžių. Aprašomi su Audacity atlikti įvairūs garso redagavimo eksperimentai. Taip pat aprašomas atliktas triukšmo įtakos žodžių atpažinimo tikslumui tyrimas. Pateikiamos darbo išvados, literatūros ir interneto šaltinių sąrašas. Darbo apimtis – 82 psl. be priedų. / The basic task of the final master paper was to describe and to explore the modern open source sound processing software, to investigate its advantages and disadvantages. Basic audio processing tasks are reviewed in the paper. After the short description of the several popular audio processing programs, one of them – audio editor Audacity – is investigated thorougly. The main audio editing facilities of this program are described with a lot of illustrations, many examples of audio editting and analysis are presented in the paper. Various experiments of sound processing with Audacity were performed and are described here. The analysis of noise influence to word recognition accuracy was done. Conclusions, references to literature and other sources on internet are also presented The paper consists of 82 pages without enclosures.

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