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HomeAU vs WV
.au
.wv

AU vs WV

Compare Sun Audio and WavPack Audio formats — understand the key differences and when to use each

Format Overview

AU

Sun Audio

Sun Audio (.au) is a audio file format.

.auaudio

WV

WavPack Audio

WavPack Audio (.wv) is a audio file format.

.wvaudio

AU vs WV: Feature Comparison

FeatureAUWV
Full NameSun AudioWavPack Audio
File Extension.au.wv
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use AU vs WV

Use AU when you need:

  • •Files in Sun Audio format for maximum compatibility
  • •Industry-standard audio format support
  • •Wide software and platform compatibility

Use WV when you need:

  • •Files in WavPack Audio format for specific workflows
  • •Optimized audio format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

AU WVWV AU
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Learn More About These Formats

AU Converter WV Converter

Frequently Asked Questions

What is the difference between AU and WV?
AU (Sun Audio) and WV (WavPack Audio) are both audio file formats. AU files use the .au extension while WV uses .wv. They differ in compression, quality, compatibility, and intended use cases.
Can I convert AU to WV for free?
Yes! Convert999 lets you convert AU to WV completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.
Which is better, AU or WV?
It depends on your use case. AU (Sun Audio) may be better for certain workflows, while WV (WavPack Audio) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.
Is it safe to convert files on Convert999?
Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

AU Converter

Convert from AU

WV Converter

Convert from WV

File Tools

Compress, resize, merge

Convert to AU

All sources → AU

Convert to WV

All sources → WV

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG