PackagingNotes.txt

see :
https://www.debian.org/doc/manuals/maint-guide/dreq.fr.html

objdump -p ./pictalk |grep NEEDED

  NEEDED               libusb-1.0.so.0
  NEEDED               libfftw3f.so.3
  NEEDED               libzmq.so.5
  NEEDED               libpython3.6m.so.1.0
  NEEDED               libhidapi-hidraw.so.0
  NEEDED               libQt5Multimedia.so.5
  NEEDED               libQt5PrintSupport.so.5
  NEEDED               libQt5Svg.so.5
  NEEDED               libQt5Widgets.so.5
  NEEDED               libQt5Gui.so.5
  NEEDED               libQt5Network.so.5
  NEEDED               libQt5Core.so.5
  NEEDED               libpthread.so.0
  NEEDED               libstdc++.so.6
  NEEDED               libm.so.6
  NEEDED               libgcc_s.so.1
  NEEDED               libc.so.6

dpkg -S libQt5Core.so.5


Installing
sudo dpkg -i ./pictalk_1.0.0_amd64.deb
sudo apt-get -f install

Removing:
sudo dpkg -r pictalk