Convert AC3 to MP3 online for free
1: Choose multiple local AC3 files or enter the URL of an online AC3 file. 2: Choose "MP3" as target format and set options. 3: Click the "START CONVERSION" button to convert AC3 files to MP3 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: .mp3
MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players.