AC3 to M4A

Convert AC3 to M4A online for free

1: Choose multiple local AC3 files or enter the URL of an online AC3 file. 2: Choose "M4A" as target format and set options. 3: Click the "START CONVERSION" button to convert AC3 files to M4A online.

Choose files or enter remote file URL

Set conversion options (optional)

# FILE NAME FILE SIZE DOWNLOAD

AC3

Audio Codec 3

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.

M4A

Audio-only MPEG-4

File extension: .m4a

MPEG-4 Part 14 or MP4 is a digital multimedia container format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images. M4A stands for MPEG 4 Audio and is a filename extension used to represent audio files.