Free online AU to WV converter
How to convert AU audio files to WV with the best tools and workflow.
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How to convert au to wv file
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AU is a classic audio file format developed by Sun Microsystems, often used for simple sound clips and early Unix systems. WV is a compressed audio format used by WavPack, designed for efficient storage with support for high-quality audio and optional lossless compression.
What is AU to WV conversion?
AU to WV conversion means changing an audio file from the AU format into the WV format. This is useful when you want to store audio in a more modern compressed format, preserve quality with lossless compression, or work with software that supports WavPack.
Why convert AU to WV?
- Better compression for smaller file sizes.
- Lossless support when using WavPack in lossless mode.
- Improved compatibility with audio archiving tools.
- Efficient storage for long-term preservation of sound files.
Best software for AU to WV conversion
The best choice is WavPack, because it is the native tool for creating WV files and offers high-quality compression. If you need a graphical interface, Foobar2000 can also convert audio files to WavPack with the right components installed.
How to convert AU to WV
Using WavPack from the command line is the most direct method. First, decode or open the AU file with a compatible audio tool, then encode it to WV. In many converters, the workflow is similar to File → Open, choose the AU file, then File → Convert or File → Export, and select WavPack as the output format.
Things to keep in mind
- AU files may contain different encodings, so some converters may need an intermediate step.
- WV is not as universally supported as MP3 or WAV.
- Lossless output depends on the source quality; converting from AU does not improve audio quality.
Recommended workflow
- Open the AU file in a converter that supports audio decoding.
- Select WavPack or WV as the output format.
- Choose lossless settings if you want maximum fidelity.
- Start the conversion and save the resulting file.
Summary: AU is an older audio format, while WV is a WavPack compressed audio format. For the best AU to WV conversion, use WavPack or a converter such as Foobar2000 that supports WavPack output.
Note: This au to wv conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
AU vs WV: format comparison
How the AU and WV formats compare on the properties that matter most for this conversion.
| Property | .AU Sun/NeXT audio file | .WV WavPack Audio |
|---|---|---|
| Compression | Uncompressed | Lossless |
| Audio quality | — | Lossless |
| Metadata support | Basic | Extensive |
| Streaming | Yes | No |
| DRM protection | No DRM | No DRM |
| Opens in a web browser | Partial | No |
| Typical file size | Large | Small |
| Open standard | Yes | Partly open |
| Best used for | Speech and voice | Long-term archiving |
| Introduced | 1988 | 1998 |
| Developer | Sun Microsystems / NeXT | David Bryant |
| MIME type | audio/basic | audio/wavpack |
Frequently asked questions
Is the AU to WV converter free?
Yes, converting AU to WV on 101convert.com is completely free. No registration, email address or installation is required.
How large can my AU file be?
You can upload AU files up to 100 MB and convert up to 5 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert AU to WV?
No. The AU to WV conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid AU file for this AU to WV conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.