Brief introduction of AC3 Converter OS X
AC3 Format- AC3 or Dolby Digital, is the common version containing up to six discrete channels of sound, Mono and stereo modes are also supported.
AC3 Converter OS X can convert many popular video/audio files to WAV format and convert WAV files to other audio formats, such as MP3, WMA, M4A, AAC, AC3, OGG, etc.
Note: the above mentioned software only support Apple Mac os x system, if you want such a software running on Microsoft windows, please Get its windows version here .
Note: If you download the trial version, the watermark cannot be deleted and the limitation is 3 days.
Guide of how to convert AC3 OS X, take AC3 to MP3 OS X for example
Add AAC files- just click "Add File" button to add AC3 music that you want to convert to MP3, batch AC3 to MP3 conversion is supported on Mac OS X.
Output settings- from the "Profile" downlist, choose the mp3 format and from the "Destination" option , choose a folder to save the AC3 to MP3 on OS X.
Edit input files- AC3 Converter OS X has editing functions, like merge files into one. Just click a file then click another while press "Command" key on the keyboard, the selected files will show highlight.
Convert- just click 
to begin the AC3 to MP3 conversion on Mac OS X, just a few minutes, you can get the desired mp3 music to enjoy freely.
As long as you have downloaded this wonderful AC3 Converter OS X, you can convert audios between different formats freely.