Le traitement du signal vocal voice signal processing
作者： Alain Le Guyader , Christel Sorin , Pierre Combescure , Denis Jouvet
DOI: 10.1007/BF03000774
关键词:
摘要: Le traitement de la parole a connu ces dernieres annees un formidable developpement lie aux avancees technologiques des composants numerique signaux et numerisation grandissante reseaux. Cet article fournit une analyse principales techniques qui se sont imposees recemment dans les domaines du codage, reconnaissance synthese parole. En compression debit, ľaccent est mis sur le codage par analyse/synthese excite code (code-excited linear prediction celp) domine recherches actuelles gamme debits allant 4 16 kbit/s. parole, on insiste ľadaptation lignes telephoniques, rejet entrees parasites detection mots-cles, trois elements essentiels pour augmenter robustesse systemes. partir texte, technique psola (pitch synchronous overlap and add), donne naissance nouvelle generation systemes au timbre tres naturel, detaillee. Ľanalyse tendances permet degager quelques axes prometteurs futures recherches.
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