Will AI replace voice actors?
31 May 2023
10 mins

In short – no. And it shouldn’t.
While the fear isn’t entirely unfounded – AI continues to reshape the dubbing industry in ways that were once hard to imagine – it’s unlikely that human voice actors will ever be fully replaced. The technology is getting astonishingly good, and yes, that’s shaking up the industry. But as with so many creative professions, the future isn’t about humans versus AI. It’s about humans and AI, working together.
What voice actors do
Voice actors breathe life into scripts. They can shift from playful to serious in a heartbeat, interpret scripts in unexpected ways, and add subtleties you didn’t know the script needed until you heard them. That range of expressivity – the ability to weave tone, emotion and timing into a performance – still can’t be fully automated at scale. For emotionally rich, performance-heavy content, human dubbing remains the gold standard.
AI, however, has an important role to play. It opens up access to content that wouldn’t normally get the budget for traditional dubbing and helps meet the growing demand for localized video content – especially as production outpaces the number of human voice actors available.
How AI is changing the industry right now
In many parts of media and entertainment, companies are turning to AI voices to make voiceover creation faster, simpler and more affordable. AI dubbing is also helping localize content into a wider range of languages, making it accessible to audiences who would otherwise be left out.
For straightforward, single-speaker formats – think audiobooks, corporate training or news narration – AI can produce natural-sounding results quickly and at a fraction of the cost of a studio session. But in more complex productions with multiple characters, layered storylines and intricate emotional beats, AI can still struggle to deliver the same authenticity as a skilled actor.
It’s easy to frame this as AI taking jobs from voice actors. But in reality, AI’s presence is expanding the total amount of content being produced – and in turn, creating more opportunities for human actors in high-value, high-impact roles. In some cases, productions even combine the two: the main narrator is a human for maximum engagement, while AI voices fill in secondary roles to keep costs manageable.
The tech behind the voice
Under the hood, AI voices are powered by some impressive engineering. Innovators have developed advanced machine learning models trained on hours – sometimes thousands of hours – of recorded speech. These systems learn to mimic the cadence, tone and texture of a human voice – often with uncanny accuracy.
At a high level, there are three core technologies at play:
- Text-to-speech (TTS) – The AI reads written text aloud in a synthetic voice. Modern TTS engines can adjust pitch, pacing and inflection, making the result far less robotic than the TTS voices of the past. You might set a corporate video to sound calm and authoritative or make an eLearning module sound warm and encouraging.
- Speech-to-speech (voice conversion) – The AI listens to a recorded voice and transforms it into a new synthetic voice. This allows you to keep the rhythm and intonation of the original performance while changing the voice entirely – perfect for dubbing into another language without losing the original ‘feel’.
- Voice cloning – Using recordings of a specific person, the AI learns to replicate their voice so it can generate new speech in that voice. This is the most sensitive area, raising questions about consent, ownership and misuse. Without strict guardrails, someone’s voice could be recreated and used without their permission.
Voice cloning is at the heart of ongoing ethics debates in the creative industries. Recent union negotiations in the acting world have tackled the issue head-on, setting clear rules around when and how a voice can be cloned – and most importantly, that it must always be done with informed consent and fair compensation.
At RWS, our position is simple: no voice likeness should ever be used without explicit, ongoing permission from the voice owner – and that permission should come with equitable pay.
Even with these advances, AI-generated voices rely heavily on human oversight. Cultural nuance, emotional timing and audience expectations still require a human touch to make sure the final product feels right in-market.
What voice actors can do that AI cannot
Even with all these advances, AI-generated voices rely heavily on human oversight. Cultural nuance, emotional timing and audience expectations still require a human touch to make sure the final product feels right in-market.
While AI can process a script with remarkable speed, it still can’t replicate the one thing that makes content resonate on a deeply human level: the craft of an actor. Here are some of the things that still remain uniquely human:
- Deliver complex emotions – AI can mimic certain emotional tones, but subtleties like sarcasm, hesitation or layered emotional shifts are still uniquely human.
- Convey cultural nuance – Accents, idioms and rhythms vary wildly by language and region. AI can replicate common patterns, but specific regional dialects and the quirks that make a voice feel “authentic” often need human instinct.
- Be creative and spontaneous – Actors can take a director’s note and instantly change the delivery, improvise in character, or bring personal lived experience to the performance.
Where AI shines
AI’s limitations in these areas do not, however, make it a creative dead end. On the contrary, by handling tasks that are repetitive or difficult to scale, AI opens up a world of new creative and commercial opportunities.
AI is not a replacement for human talent; it is a powerful amplifier. The real question is not what AI can’t do, but what it can do – and how it can empower humans to do more. Here are the areas where AI truly shines:
- Enhancing accessibility – AI can rapidly produce multilingual voiceovers, opening up content to people with different language needs, visual impairments or reading difficulties.
- Affordable content creation – Small-scale productions, educational content or internal corporate videos can now afford professional-quality voiceover.
- Fast turnaround – For time-sensitive formats like news, AI can deliver broadcast-ready audio in minutes.
- Scalability – AI makes it possible to localize vast libraries of content quickly, without the bottlenecks of studio scheduling.
- Customization – Brands can fine-tune tone, accent and style to create a unique auditory identity without lengthy casting processes.
Genuine Intelligence in voiceover
At RWS, we believe in Genuine Intelligence – the idea that the best results come from blending human creativity with AI efficiency. AI is a tool. A remarkable one. But it’s people who bring the spark that makes content resonate.
In video localization, that means:
- AI speeds things up, humans make it sing – AI might create a first pass for a multilingual eLearning module; a human then refines key sections for warmth and engagement.
- Humans set the tone, AI scales it – A human’s performance can act as the creative blueprint for AI to produce localized versions in multiple languages.
- Ethics first, always – Any AI-assisted replication of a voice only happens with explicit consent and fair pay.
- More variety, more opportunity – With AI handling repetitive or low-budget work, voice actors can focus on high-value, creative projects – and even take on more roles than before.
The future we see isn’t AI replacing voice actors. It’s AI amplifying them – helping them reach new markets, take on more varied work and keep doing what they do best: connecting with audiences on a deeply human level.
Bottom line: AI is here to stay in voiceover, but so are human actors. The magic happens when they work together.
If you want to explore how AI voices could help localize your video content – while keeping creativity and ethics front and center – our team is ready to help.