Unlike Warhammer III or Pharaoh , CA did not include a dropdown menu inside the graphics or audio settings for ETW. If you need to change the language, you must do it outside the game.
Corrupted language files often cause silent cutscenes or missing battlefield announcer voices. How to Change the Language in Steam empire total war language settings better
Ensure you don't have multiple local_XX.pack files (e.g., one for English and one for French) conflicting in your /Empire Total War/data folder. The Verdict Unlike Warhammer III or Pharaoh , CA did