/usr/lib/x86_64-linux-gnu/libaudio.so.2 is in libaudio2 1.9.4-5+b1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libaudio.so.2.4
/usr/lib/x86_64-linux-gnu/libaudio.so.2.4