Convert AC3 to AAC online for free
1: Choose multiple local AC3 files or enter the URL of an online AC3 file. 2: Choose "AAC" as target format and set options. 3: Click the "START CONVERSION" button to convert AC3 files to AAC online.
Set conversion options (optional)
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File extension: .ac3
Dolby Digital, originally synonymous with Dolby AC-3, is the name for what has now become a family of audio compression technologies developed by Dolby Laboratories. Formerly named Dolby Stereo Digital until 1995, the audio compression is lossy (except for Dolby TrueHD), based on the modified discrete cosine transform (MDCT) algorithm.
File extension: .aac
Advanced Audio Coding (AAC) is an audio coding standard for lossy digital audio compression. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at similar bit rates. AAC has been standardized by ISO and IEC, as part of the MPEG-2 and MPEG-4 specifications.