File extension database

Extension de fichier M4A est utilisé par les fichiers multimédias qui contiennent des données audio encodés en utilisant le multimédia MPEG4 Part 14 format de conteneur. Le nom de MPEG-4 Audio. Cette extension de fichier a été initialement mis en place par Apple Inc, afin de différencier les différents types de multimédias encodés en MPEG-4 depuis le format lui-même extension de fichier spécifiée MP4 unique pour tout type de fichier.

Les données audio en M4A fichiers peuvent être compressés à l'aide de différents algorithmes Incluant mais non limité à: AAC, MP3, MP2, CELP, TwinVQ, SAOL et autres.

Beaucoup de lecteurs audio M4A support des fichiers. Il s'agit notamment de WinAMP, Apple QuickTime et autres.

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