AU to AC3 Converter

Convert your au files to ac3 online & free

Drop files here. 100 MB maximum file size or Sign Up
to

Settings

The codec to encode the audio track. Codec "Without reencoding" copies the audio stream from the input file into output without re-encoding if possible.
Set the overall output AC3 (Dolby Digital) audio bitrate. If set to "Custom", the usable (and recommended) range is ≥160 kbps. The maximum bitrate is 640 kbps.
Set the number of audio channels. This setting is most useful when downmixing channels (e.g., from 5.1 to stereo).
Convert to AU

au

Sun Microsystems AU files

AU is a file extension for a sound file format belonging to Sun, NeXT and DEC and used in UNIX. The AU file format is also known as the Sparc-audio or u-law fomat. AU files contain three parts: the audio data and text for a header (containing 24 bytes) and an annotation block.
AC3 Converter

ac3

AC3 Audio File

Dolby Digital film format, developed for encoding audio tracks for films. It supports up to 6 audio channels: left, right, front, rear, upper and lower. Because of this, it allows you to store “3-dimensional” audio tracks. It’s widely used both in movie theaters and by the users themselves for storing audio tracks in film libraries at home.

How to convert AU to AC3

Step 1

Upload au-file(s)

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Step 2

Choose "to ac3"

Choose ac3 or any other format you need as a result (more than 200 formats supported)

Step 3

Download your ac3

Let the file convert and you can download your ac3 file right afterwards