/usr/ is in libspeechd-dev 0.8.8-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libspeechd.h
/usr/include/libspeechd_version.h
/usr/include/spd_audio_plugin.h
/usr/include/speechd_defines.h
/usr/include/speechd_types.h
/usr/lib/x86_64-linux-gnu/libspeechd.so
/usr/include/
/usr/include/speech-dispatcher/
/usr/include/speech-dispatcher/libspeechd.h
/usr/include/speech-dispatcher/libspeechd_version.h
/usr/include/speech-dispatcher/spd_audio_plugin.h
/usr/include/speech-dispatcher/speechd_defines.h
/usr/include/speech-dispatcher/speechd_types.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/libspeechd.a
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/speech-dispatcher.pc
/usr/share/
/usr/share/doc/
/usr/share/doc/libspeechd-dev/
/usr/share/doc/libspeechd-dev/copyright
/usr/share/doc/libspeechd-dev/changelog.Debian.gz