.wv

What is a .wv file?

WavPack is a hybrid audio format that can store both lossless and lossy versions in a single file.

Safe format
Type Audio
By David Bryant
MIME audio/x-wavpack

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What is it

WavPack's party trick is unique: it can create a lossy compressed file and a separate correction file that, when combined, reconstruct the original lossless audio perfectly. Distribute the lossy file for portable listening; keep the correction file for archival. Reunite them later for bit-perfect playback. No other mainstream audio format does this.

In pure lossless mode, WavPack compresses roughly as well as FLAC. In pure lossy mode, it competes with MP3 and AAC. The hybrid mode is where it shines — the lossy file is fully playable on its own, and the correction file adds back the discarded detail. It's an elegant solution to the lossy-vs-lossless dilemma.

Despite its technical cleverness, WavPack never achieved FLAC's adoption. Foobar2000 is the best player; VLC also supports it. For maximum compatibility, convert to FLAC (lossless) or MP3/AAC (lossy). The conversion from WavPack lossless to FLAC is perfectly lossless.

Technical details
Full Name
WavPack Audio
MIME Type
audio/x-wavpack
Developer
David Bryant
Magic Bytes
77 76 70 6B
Safety
.wv is a known, safe format. Audio data only. No executable content.
What opens it
foobar2000
FREE Windows
VLC
FREE Windows / Mac / Linux
Audacity
FREE Windows / Mac / Linux
FAQ
Is WavPack better than FLAC?
WavPack's hybrid mode (lossy + correction file) is unique and useful. For pure lossless, both formats compress similarly. FLAC has vastly better software support and is the safer choice for compatibility.
How does WavPack hybrid mode work?
WavPack creates a .wv file (lossy, fully playable) and a .wvc correction file. The .wv file works alone as a good-quality lossy file. Combined with the .wvc file, it reconstructs the original audio losslessly.
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