This means you only changed the text localization, not the audio. You need to manually install the English voice pack (see Method 3). Specifically, look for a file named en_voice_all.pak inside the sound folder.
If the Game Still Doesn't Work in English (Language File Fix) cod black ops 3 english language pack work
Before we dive into the fixes, it is important to understand the root cause. When you buy Call of Duty: Black Ops 3 on Steam, the game’s language is often locked to your region’s IP address or the CD key you redeemed. This means you only changed the text localization,
