AAC, Advanced Audio Coding , is a standardized compression and encoding scheme for digital audio. The AAC is primarily associated with ‘MPEG-2 Advanced Audio Coding File’ and has been promoted to be the successor of the popular MP3 format (created by Fraunhofer IIS). The AAC is mostly used as the default audio format of iPhones, iPods, iTunes and the formats in the iTunes Store, which are owned by Apple.
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