# AC3 Export Options

From Audacity Development Manual
AC3 is a compressed audio format developed by Dolby Laboratories, often used in DVD production.

  Accessed by: File > Export > Export Audio... then choosing AC3 Files (FFmpeg) from the Save as type dropdown menu.

  Also accessed by: File > Export > Export Multiple... then choosing AC3 Files (FFmpeg) from the Save as type dropdown menu. In this case the options dialog will appear in the center of the Export Multiple dialog.

| FFmpeg is not shipped with Audacity but you can download it and then export as AC3 by following these instructions.

## AC3 Export Setup

- Bit Rate: Choose a bit rate from 32 kbps to 640 kbps (defaults to 160 kbps). Larger bit rates give higher quality but produce larger files.