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Josef Psutka and Jan Svec and Josef V. Psutka and Jan Vaněk , Aleś Pražák and Luboš Šmídl and Pavel Ircing : System for Fast Lexical and Phonetic Spoken Term Detection in a Czech Cultural Heritage Archive . EURASIP Journal on Audio, Speech, and Music Processing, [submitted, in review], Springer-Verlag, GmbH, Heidelberg, Germany, .

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Abstrakt

The main objective of the work presented in this paper was to develop a complete system that would accomplish the original visions of the MALACH project. Those goals were to employ automatic speech recognition and information retrieval techniques to provide improved access to the large video archive containing recorded testimonies of the Holocaust survivors. The system has been so far developed for the Czech part of the archive only. It takes advantage of the state-of-the art speech recognition system tailored to the challenging properties of the recordings in the archive (elderly speakers, spontaneous speech, emotionally loaded content) and its close coupling with the actual search engine. The design of the algorithm adopting the spoken term detection approach is focused on the speed of the retrieval. The resulting system is able to search through the 1,000 hours of video constituting the Czech portion of the archive and find query word occurrences in the matter of seconds. The phonetic search implemented alongside the search based on the lexicon words allows to find even the words outside the ASR system lexicon such as names, geographic locations or Jewish slang.

Detail publikace

Název: System for Fast Lexical and Phonetic Spoken Term Detection in a Czech Cultural Heritage Archive
Autor: Josef Psutka ; Jan Svec ; Josef V. Psutka ; Jan Vaněk , Aleś Pražák ; Luboš Šmídl ; Pavel Ircing
Název - česky: Systém pro rychlé lexikální a fonetické vyhledávání mluvených frází v archívu českého kulturního dědictví
Jazyk publikace: anglicky
Typ publikace: Článek z časopisu
Název časopisu / knihy: EURASIP Journal on Audio, Speech, and Music Processing
Edice: [submitted, in review]
ISSN: 1687-4714
Nakladatel: Springer-Verlag, GmbH
Místo vydání: Heidelberg, Germany
/ 2011-09-19 09:00:28 /

BibTeX

@ARTICLE{JosefPsutka_SystemforFast,
 author = {Josef Psutka and Jan Svec and Josef V. Psutka and Jan Van\v{e}k , Ale? Pra\v{z}\'{a}k and Lubo\v{s} \v{S}m\'{i}dl and Pavel Ircing},
 title = {System for Fast Lexical and Phonetic Spoken Term Detection in a Czech Cultural Heritage Archive},
 publisher = {Springer-Verlag, GmbH},
 journal = {EURASIP Journal on Audio, Speech, and Music Processing},
 address = {Heidelberg,  Germany},
 ISSN = {1687-4714},
 url = {http://www.kky.zcu.cz/en/publications/JosefPsutka_SystemforFast},
}