About WV Files
WavPack Audio
WavPack is an open-source audio codec that offers lossless, lossy, and hybrid compression modes. Its unique hybrid mode creates a lossy file plus a correction file that together reconstruct the original, enabling flexible storage strategies.
Family
Audio Files
Extension
.wv
MIME Type
audio/x-wavpack
Can Use As
HOW WV
CAME TO BE.
WavPack — .wv — was created by David Bryant starting in 1998 as a hybrid lossless/lossy audio codec, with stable public releases from 2002 onward. Bryant’s big idea was hybrid mode: a .wv file can carry a lossy "correction" stream alongside the main data, so the same file decodes either as high-quality lossy (for iPod sync) or as full lossless (for archival). That dual behavior made WavPack popular with archivists who wanted one file to serve both use cases.
WavPack compression is competitive with FLAC (usually within 2-3%) and includes support for 32-bit float, multichannel surround, and DSD (Direct Stream Digital) via .wv containers. The community is small but dedicated; Plex, foobar2000, and VLC all handle .wv natively, and Bryant has maintained the reference implementation continuously for 25+ years.
CURIOSITIES &
TRIVIA.
WavPack supports a unique hybrid mode: one .wv file can be decoded as either lossy or lossless depending on whether the .wvc correction file is present.
The format can carry DSD (the 1-bit SACD audio codec) inside a .wv wrapper — one of the few containers that handles DSD + PCM.
David Bryant has been WavPack's sole maintainer since 1998 — one of the longest-running one-person audio codec projects.
32-bit float PCM support makes WavPack suitable for studio-master archival.
WavPack's compression ratio beats FLAC on some material (especially 24-bit hi-res) despite simpler prediction.
STRENGTHS &
LIMITATIONS.
Strengths
- Hybrid lossy/lossless mode.
- Supports DSD, 32-bit float, multichannel.
- Competitive compression vs FLAC.
- Active maintenance since 1998.
Limitations
- Small ecosystem.
- Hybrid mode complexity.
- Hardware support limited vs FLAC.
Typical Sizes & Weights
3-min song (CD lossless)
18-24 MB
3-min hi-res 24/96
60-90 MB
Technical Specifications
- MIME type
- audio/x-wavpack
- Extension
- .wv (main), .wvc (correction)
- Modes
- Lossless, Hybrid lossy+correction, 32-bit float
- License
- BSD-style
CONVERT FROM
WV
Common Use Cases
Flexible audio archiving, hybrid lossless/lossy storage, audiophile collections
Related Formats
Popular comparisons
WV vs MP3
Differences, file size, and when to choose each format.
WV vs WAV
Differences, file size, and when to choose each format.
WV vs FLAC
Differences, file size, and when to choose each format.
WV vs AAC
Differences, file size, and when to choose each format.
WV vs M4A
Differences, file size, and when to choose each format.
WV vs OGG
Differences, file size, and when to choose each format.
Popular WV conversions
The most-requested destinations when starting from WV.
Frequently Asked Questions about WV
Frequently Asked Questions
WV (WavPack Audio) is an audio file format used to store sound recordings — music, voice, podcasts, sound effects. The format defines how the audio samples are compressed (or stored raw), what bitrates are supported, and how metadata such as title, artist, album, and cover art is embedded. It is part of the audio files family.
VLC, foobar2000, and the default media players on Windows and macOS handle WV natively. On mobile, iOS Music and Android media apps vary in their support — popular formats work everywhere; niche ones may need a dedicated app. If playback fails on a device, converting to MP3 or AAC usually solves it.
Upload the WV to KaijuConverter and pick MP3, WAV, FLAC, AAC, OGG, or any other target. Our FFmpeg pipeline decodes the audio and re-encodes to the target format at sensible default bitrates (VBR ~190 kbps for music, 96 kbps for speech). Metadata and cover art travel with the audio where both formats support them.
WV can be lossy or lossless depending on the specific variant. Lossy variants (smaller files) discard some audio detail during compression in ways tuned to be inaudible; lossless variants preserve every sample exactly but produce larger files. For distribution, lossy at high bitrate is standard; for archival, lossless wins.