: Nexus Mods is a reputable site for game mods and tweaks. While it's primarily known for mods, you can also find voice pack modifications and fixes there. Make sure to read reviews and comments to ensure you're downloading a pack that's safe and suitable for your needs.
Copy Fallout4 - Voices.ba2 from SteamApps\common\Fallout 4\Data to a safe backup folder. fallout 4 english voice pack link