Convert AU to WAV
Fast, free AU to WAV conversion — works in any browser
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au
AU format for reliable data storage
| File extension | .au .snd |
|---|---|
| File category | audio |
| Programs | VLC media player Audacity MPlayer Xine Sox |
| Tech description | https://en.wikipedia.org/wiki/Au_file_format |
| MIME type | audio/basic audio/au |
| Developer | Sun Microsystems |
This audio format was developed by Sun Microsystems. It is intended for storing audio files; the file itself consists of three components: the header, the annotation unit, and the audio file itself. What distinguishes this format is the small file size, due to which its sound quality is low. It can be converted into other formats, such as mp3 or MPEG. Although this format is mostly used on personal computers that are powered by operating systems Sun or Unix, AU files can also be opened using other audio players.
wav
WAV — Waveform Audio File Format
| File extension | .wav .wave |
|---|---|
| File category | audio |
| Programs | Windows Media Player VLC media player Audacity Apple iTunes Winamp |
| Tech description | https://en.wikipedia.org/wiki/WAV |
| MIME type | audio/wav audio/x-wav |
| Developer | Microsoft, IBM |
WAV (Waveform Audio File Format) is an uncompressed audio container developed by Microsoft and IBM, introduced with Windows 3.1 in 1991. WAV stores raw PCM audio data — typically 16-bit or 24-bit samples at 44.1 kHz or 48 kHz — making it the standard format for professional audio editing, broadcast production, and sound archiving. Because WAV is uncompressed, files are large (approximately 10 MB per minute at CD quality), but no encoding artifacts are introduced, ensuring pristine audio fidelity. WAV is natively supported by Windows, macOS, and virtually all digital audio workstations including Audacity, Adobe Audition, and Logic Pro.
FAQ
How to convert WAV to AU?
Upload your WAV file, select AU as the output format, and click Convert. The converted file will be ready to download in seconds — no account or installation required.
How long does it take to convert WAV to AU?
Most WAV files convert in seconds. Larger files may take up to a few minutes depending on size and internet speed. You can track the progress bar in real time during conversion.
Is it safe to convert WAV files online?
Yes. All uploaded WAV files and converted AU results are automatically deleted from our servers within 1 hour after conversion. We do not store, share, or access your files.
Can I convert WAV on iPhone or Android?
Yes, our converter works on all devices and operating systems — iPhone, iPad, Android, Windows, and macOS. Open the site in your mobile browser, upload the WAV file and convert to AU without installing any app.
