Compression audio multicanal
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Compression audio multicanal

Compression audio multicanal


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About the Book

De nos jours, de nombreuses méthodes et algorithmes ont été proposés pour améliorer les performances de compression de l'audio multicanal. Ce livre se concentre sur l'évaluation des performances de divers algorithmes de compression audio multicanal. Tout d'abord, nous avons identifié et étudié les algorithmes de compression audio les plus récents, qu'il s'agisse de compression avec ou sans perte, qui peuvent traiter l'audio multicanal mono, stéréo, 5.1 et 7.1. Parmi les différents algorithmes disponibles, AC3, AAC et Ogg ont été sélectionnés comme algorithmes de compression avec perte, tandis que FLAC et MPEG-4 ALS ont été choisis comme algorithmes de compression sans perte. Deux mesures de performance ont été utilisées dans les expériences, à savoir le taux de compression et le temps d'encodage. Les résultats ont montré que parmi les trois algorithmes de compression audio avec perte, AC3 a le temps d'encodage le plus rapide, tandis que Ogg Vorbis a le taux de compression le plus élevé. En outre, entre FLAC et MPEG-4 ALS, FLAC a un temps d'encodage plus rapide et MPEG-4 ALS a un taux de compression plus élevé. Globalement, en termes de temps d'encodage et de taux de compression, il a été constaté que FLAC est le codeur le plus rapide tandis que Ogg Vorbis a le taux de compression le plus élevé parmi les cinq codeurs évalués.


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Product Details
  • ISBN-13: 9786207572878
  • Publisher: KS Omniscriptum Publishing
  • Binding: Paperback
  • Language: French
  • Returnable: N
  • Weight: 190 gr
  • ISBN-10: 6207572874
  • Publisher Date: 22 May 2024
  • Height: 229 mm
  • No of Pages: 88
  • Spine Width: 5 mm
  • Width: 152 mm


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