Fallout 4 mod uses voice AI to add sensible reactions, more RPG-like choices

Modders can change many things inside their favorite games, but dialogue from professionally voiced characters hasn’t been one of those things—at least until recently. AI voice generation could open up new modding avenues for some games, as it has already done with one Fallout 4 mod package.

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They’re not just new labels on existing dialogue, either. RED, created by NexusMods user ProfMajowski (and first seen by us at PCGamesN), says it used ElevenLabs voice AI to generate its more in-character lines. The results can sometimes “sound a little ’emotionless,'” the creator writes, but “otherwise they basically sound like the real thing.” Nothing your character can newly say now will change the game’s mechanics or reactions, but it should sound a bit more in character.

I’m not down on “artificial intelligence” as a matter of principle – quite the opposite. This story right here is a great example of how AI can be used in productive, interesting ways that truly make something possible that either wasn’t possible before, or was simply entirely unrealistic.

Spoken dialog is hard to record for a whole slew of reasons, from cost to finding enough quality voice actors to the time it takes, and it’s usually only the biggest studios that have the ability to add it to their games. Even then it’s often a struggle, from bad voice acting overall to large role-playing games where e.g. the main quest is beautifully voiced, but side quests are either entirely unvoiced or clearly rushed by some cheap interns.

Thanks to technology like this, even small indie studios or mere mod developers can add something meaningful to their work that up until recently simply wasn’t realistic. It will make games meaningfully better – especially once technology improves a bit more and developers become proficient with it – without the need for hype.