/usr/lib/x86_64-linux-gnu/libspeechd.so is in libspeechd-dev 0.8.3-1ubuntu3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libspeechd.so.2.6.0
/usr/lib/x86_64-linux-gnu/libspeechd.so.2.6.0