How to Convert AC3 to MP3?

About River Past Audio Converter

Convert from almost any audio format to WAV, MP3, WMA, or audio-only AVI. We support a variety of input formats, including the standard WAV, MP3, WMA, AIFF, RealAudio, and the not-so-standard OGG, AIFF, and Unix Audio. Extract audio from the standard AVI, ASF, WMV, MPEG-1 and MPEG-2, RealMedia, and the not-so-standard QuickTime MOV and MPEG-4. If the file format exists, we probably support it.

System Requirements: To convert Dolby Digital AC-3 files to MP3 with River Past Audio Converter, you should have DirectX 8.0 or above, and open source AC-3 decoder installed.

How to Convert AC3 to AIF?

1.Download River Past Audio Converter and install it.

2. Run it by double clicking the "River Past Audio Converter" icon on your desktop.


3. Click on the "Add" button on the tool bar. The standard file open dialog appears. Select "AC3 - Dolby Digital" in its "Files of type" combo box.


Note: To convert from AC-3 files, you must have open source AC-3 decoder installed

4. Click on the toggle to the left of the "Format" label to expand the panel. Select "MP3 - MPEG Layer-3" as the "Audio Type".


5. Expand the "Output Directory" panel. Use the button to select an output directory.

6.Click the "Convert" button on the tool bar.