alsa-utils from home:Herbster0815:HTPC project
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Add repository and install manually
For openSUSE Leap 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Herbster0815:HTPC/openSUSE_Leap_15.3/home:Herbster0815:HTPC.repo zypper refresh zypper install alsa-utils