MarsSeed [1] filed a deletion request for losslessaudiochecker [2]: Seems EOL (last AUR update was in 2019). Now the release zip file is no longer available from upstream (404 not found), and there is no mention anymore of this tool on the website. [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/losslessaudiochecker/