Hardware support (provided by Rockbox firmware). Native support in WavPack 5.x for compressing Direct Stream Digital without converting the source file to PCM. Supports multichannel audio and high resolutions. Higher compression ratios than other widely used (FLAC/ALAC) open-source lossless audio codecs. Open-source, released under a BSD-like license. This allows the use of lossy and lossless codecs together.Ī similar "hybrid" feature is also offered by OptimFROG DualStream, MPEG-4 SLS and DTS-HD Master Audio. WavPack also incorporates a "hybrid" mode, which still provides the features of lossless compression, but creates two files: a relatively small, high-quality, lossy file (.wv) that can be used by itself and a "correction" file (.wvc) that, when combined with the lossy file, provides full lossless restoration. Like other lossless compression schemes, the data reduction rate varies with the source, but it is generally between 30% and 70% for typical popular music and somewhat better than that for classical music and other sources with greater dynamic range. It also supports surround sound streams and high sampling rates. WavPack compression can compress (and restore) 8-, 16-, 24-, and 32-bit fixed-point, and 32-bit floating-point PCM audio files in the. It also supports compressing a wide variety of lossless formats, including various variants of PCM and also DSD as used in SACDs, together with its support for surround audio. It is unique in the way that it supports hybrid audio compression alongside normal compression which is similar to how FLAC works. 
WavPack is a free and open-source lossless audio compression format and application implementing the format. Audio/x-wavpack (.wv), audio/x-wavpack-correction (.wvc)
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