If the characters aren't speaking but text is showing, you likely missed the fg-selective audio file for that specific language. The game is looking for sound banks that don't exist.
%USERPROFILE%\Documents\My Games\Dishonored\DishonoredGame\SaveData before reinstalling. Changing Language After Installation If the characters aren't speaking but text is
Paste them directly into your main game directory: \Dishonored\DishonoredGame\CookedPCConsole\ . How to Edit the Configuration Files This time, make sure the language you want
Move the newly downloaded .bin files into the same folder as the setup.exe . Run the installer again. This time, make sure the language you want is checked in the installer menu. How to Change Languages (Post-Installation) If the characters aren't speaking but text is
Note that Dishonored usually handles "Text" and "Audio" separately. Check the menu in-game to see if the "Dialogue Language" toggle is available. Troubleshooting: "No Voice" or "Silent Characters"
Because Dishonored (2012) is a well-optimized Unreal Engine 3 game, adding extra language packs does not affect FPS or performance. It only takes up a few hundred extra megabytes of hard drive space per language.
If you already installed the game and do not want to reinstall it: Run the setup.exe installer again. Select the exact same installation directory path.