NDLI: Estimation du pitch par le produit multi-échelles du cepstre de parole voisée

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Estimation du pitch par le produit multi-échelles du cepstre de parole voisée

Content Provider	Semantic Scholar
Author	Jlassi, Wided
Copyright Year	2015
Abstract	Estimation du pitch par le Produit Multi-echelles du Cepstre de Parole Voisee Wided jlassi, Aicha Bouzid, Noureddine Ellouze Laboratoire de Traitement du Signal, Image et Technologies de l’Information, ENIT, Tunis, Tunisia wided1985@hotmail.com, bouzidacha@yahoo.fr, nourellouze@yahoo.fr, Resume --- Ce papier presente un algorithme d'estimation du pitch basee sur l'analyse du cepstre de parole voisee par le produit multi-echelle des coefficients en ondelettes. L’algorithme comporte la segmentation du signal de parole en zone voisee, le calcul du cepstre reel dans chaque trame puis le calcul du produit multi echelle (PM). L'approche proposee pour l'analyse de cepstre reduit les pics parasites et rend les maximums liee a la periode du pitch plus clairs permettant d'ameliorer l'estimation de ce dernier. L’approche proposee est evaluee sur la base de donnees de l'Universite de Keele. Les resultats experimentaux indiquent que le taux d'erreurs grossieres (GPE) est le plus faible des methodes existantes. Mots cles transformee en ondelette, cepstre reel, produit multi-echelle, estimation du pitch I. INTRODUCTION La frequence fondamentale represente la
File Format	PDF HTM / HTML
Volume Number	2015
Alternate Webpage(s)	https://www.see.asso.fr/en/printpdf/13322/landing
Alternate Webpage(s)	https://www.see.asso.fr/bitcache/b42328d9b280c6f537f61e21278e645465fbfcae?disposition=attachment&op=download&vid=22117
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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