/usr/lib/x86_64-linux-gnu/libvo-amrwbenc.so is in libvo-amrwbenc-dev 0.1.3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libvo-amrwbenc.so.0.0.4
/usr/lib/x86_64-linux-gnu/libvo-amrwbenc.so.0.0.4