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Joint Source-Channel CELP Coding

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Název: Joint Source-Channel CELP Coding
Autoři: Pleshkova-Bekiarska, Snejana G.
Informace o vydavateli: Společnost pro radioelektronické inženýrství
Rok vydání: 2016
Sbírka: Brno University of Technology (VUT): Digital Library / Vysoké učení technické v Brně: Digitální knihovně
Témata: Source-channel Coding, CELP Coding, Speech coding, Speech Processing
Popis: The method of speech coding CELP is extensively used in much voice communication-, multimedia-, video conference and other systems. There are a lot of papers related to CELP coding characteristics improvement for a better speech quality after decoding. Most of the papers are dedicated to lower the rate of CELP coded speech transmission. One problem related to low rate CELP speech transmission with a good speech decoding quality is noising in the channel for transmission. The goal of this paper is to combine the advantages and the possibilities of CELP speech coding to reduce the rate of transmission and the methods of channel coding to protect the most important CELP coding parameters in each speech frame such as line prediction coefficients, excitation indexes etc.
Druh dokumentu: article in journal/newspaper
Popis souboru: text; 92-95; application/pdf
Jazyk: English
Relation: Radioengineering; http://www.radioeng.cz/fulltexts/2008/08_03_092_095.pdf; http://hdl.handle.net/11012/57220
Dostupnost: http://hdl.handle.net/11012/57220
Rights: Creative Commons Attribution 3.0 Unported License ; http://creativecommons.org/licenses/by/3.0/ ; openAccess
Přístupové číslo: edsbas.C44F11D8
Databáze: BASE
Popis
Abstrakt:The method of speech coding CELP is extensively used in much voice communication-, multimedia-, video conference and other systems. There are a lot of papers related to CELP coding characteristics improvement for a better speech quality after decoding. Most of the papers are dedicated to lower the rate of CELP coded speech transmission. One problem related to low rate CELP speech transmission with a good speech decoding quality is noising in the channel for transmission. The goal of this paper is to combine the advantages and the possibilities of CELP speech coding to reduce the rate of transmission and the methods of channel coding to protect the most important CELP coding parameters in each speech frame such as line prediction coefficients, excitation indexes etc.