libwavpack-dev 5.2.0-1ubuntu0.1 (amd64 binary) in ubuntu focal

 WavPack is a completely open audio compression format providing lossless,
 high-quality lossy, and a unique hybrid compression mode. Although the
 technology is loosely based on previous versions of WavPack, the new version
 4 format has been designed from the ground up to offer unparalleled
 performance and functionality.
 .
 This package contains the header files, static libraries
 and symbolic links that developers using libwavpack will need.