What is AI Dubbing? Everything You Should Know

Have you watched Money Heist on Netflix? If so, you probably remember how the Professor’s calm, calculated tone added to his brilliance. Now imagine watching the show without the original Spanish dialogue or Squid Game without the raw intensity of its Korean cast. Would it still pack the same punch? Probably not.

Yet millions around the world enjoy these shows in their own language thanks to dubbing.

Traditionally, dubbing has relied on skilled voice actors and production teams to re-record dialogue in another language, capturing the original performance's emotion and timing. But today, AI dubbing is transforming the game.

AI dubbing uses advanced speech synthesis and voice cloning technologies to automatically translate and recreate a character's voice in another language. It not only matches the translated script with lip-sync and timing, but also mimics the original speaker’s tone, emotion, and rhythm.

Why AI Dubbing Matters

Faster Localization at Scale

With AI, production studios can localize content into dozens of languages simultaneously reducing turnaround times.

Cost-Effective for Bulk Video Production

Whether it’s a global streaming platform or an educational content provider, AI dubbing allows for efficient and affordable dubbing of large video libraries.

Consistency Across Languages

AI models can maintain consistent voice personas across multiple projects or seasons. This is harder to achieve with human actors alone.

Expanding Global Reach

With the ability to dub faster and more affordably, content creators can make their videos accessible to audiences worldwide, breaking language barriers like never before.

Whether you're a fan of international shows or a brand looking to scale your video content globally, AI dubbing is not just the future it’s already here, reshaping how stories are told and shared across cultures.

Types of AI Dubbing

The AI dubbing process involves various types and technological approaches, each tailored to specific content needs and quality standards. Advancements in AI dubbing technology make it possible to deliver accurate, scalable, and context-aware voiceovers across different media formats.

Wholly Automated TTS Dubbing

Wholly automated TTS dubbing is a fully AI-powered dubbing process that replaces human speech with lifelike synthetic voices, enabling fast and scalable video localization. This AI dubbing technology translates and converts scripts using neural text to speech systems, producing audio that’s synchronized with the original video. By removing human involvement from the dubbing phase, AI dubbing work delivers high-quality results efficiently.

It is ideal for e-learning, corporate content, and global media needing rapid localization without sacrificing clarity.

TTS with Human in the Loop

TTS with Human-in-the-Loop blends AI technology with human expertise to deliver high-quality spoken audio for video content. This hybrid ai dubbing solution uses text to speech engines for speed and scale, while professionals refine translations, voice tone, and emotional accuracy.

The result is dubbed content that’s culturally relevant, emotionally expressive, and reliable making it ideal for global audiences seeking authentic, localized video experiences.

Cross-Lingual Prosody Transfer (XLPT)

Cross-Lingual Prosody Transfer (XLPT) is an AI technology that preserves emotion and speaking style when dubbing video content into a different language. By analyzing the original audio file, XLPT creates expressive dubbed voices. Used by Amazon for films and CrossVoice for live translation, it ensures authentic, engaging output.

XLPT helps global audiences connect emotionally with dubbed content, transforming how media is localized across platforms.

Voice Cloning

Voice cloning uses AI to replicate the original speaker’s voice for dubbing video content. It enables dubbed voices that retain emotional nuance and identity. Voice talent like James Earl Jones was digitally cloned for Darth Vader, and Respeecher recreated Wilt Chamberlain’s voice in Goliath.

This technology personalizes content, allowing multilingual dubbing while preserving the voice talent’s signature style across platforms.

Lip-Synced AI Dubbing

Lip-synced AI dubbing automates the entire process of syncing new audio with actors’ lip movements, matching facial expressions and original dialogue. Using deep learning and computer vision, it makes dubbed content like video ads feel naturally spoken.

Platforms like Netflix and HeyGen use it to localize content efficiently across languages, enhancing realism and viewer immersion. This technology revolutionizes dubbing in entertainment, marketing, and education with scalable, cost-effective solutions.

Difference between AI Dubbing and Traditional Dubbing

AI dubbing and traditional dubbing methods take very different paths when it comes to localizing content for global audiences. While traditional dubbing relies heavily on human voice actors and manual processes, AI dubbing solutions use artificial intelligence to automate and streamline the dubbing workflow. This fundamental difference impacts everything from cost and speed to voice consistency and scalability.

Let’s explore how AI dubbing compares to traditional dubbing methods across key factors like turnaround time, linguistic accuracy, emotional delivery, and production costs:

How to dub a video using Murf AI

As a top-rated AI dubbing tool, Murf makes the dubbing process easier for filmmakers, creators, and studios to dub videos into multiple languages in different voices  and styles.

Here is a step-by-step process to help you dub your videos on Murf AI.

Step 1: Log into Murf Dub and click Create Project.

Step 2: Add a name to your project and click Next.

Step 3: Upload your project file to the platform by clicking Browse on Computer and Next. Murf Dub allows you to upload different files, such as video files, audio tracks, etc. This helps you work with any file you have on your project.

Step 4: After the upload is done, choose Automated Dubbing and click Next.

Step 5: In the next window, choose Auto-Detect for the source language and English (US & Canada) for the target language. You may also add more languages if you prefer. Once the selections are done, click Next.

Step 6: You will get a summary page with all the project details in progress. Read everything carefully and click Start Dubbing.

Step 7: Once the processing is done, click on Preview, and you can make changes. If no change is needed, click Export.

Step 8: Pick all the options from the new window as per your preference, and click Export.

Step 9: Click download to get the dubbed video on your computer.

Applications of AI Dubbing

Although movies and entertainment are the first things that come to our mind when we hear the word dubbing, its applications are much more diverse.  

Films and TV shows

Dubbing is essential for making video content accessible worldwide. By replacing spoken dialogue with localized versions, it helps viewers connect with stories in their native language without relying on subtitles.

High-quality dubbing preserves emotional tone and aligns with cultural context, ensuring the impact of the original performance remains intact. TV shows and films like Money Heist, Squid Game, and Reacher use dubbing to reach audiences worldwide.

Music

By using AI dubbing technology, artists can dub content in multiple languages without the need for traditional studio setups, reducing time and cost. For example, animated shows like Winx Club dub their musical numbers to engage local audiences more effectively.

Dubbing ensures that lyrics retain their emotional and cultural relevance, making them more relatable. Whether it's a movie soundtrack or a standalone music video, dubbing allows creators to deliver a consistent experience across languages.

Video games

Apart from making the game available in the native language of many players worldwide, AI dubbing in gaming helps gamers better enjoy dialogues, connect with characters deeply, and immerse themselves well in cutscenes.

Multiplayer games, like League of Legend, Overwatch, Fortnite, etc., often use dubbing for character voices and instructions to make the gaming experience better and more engaging.

Education

Many online courses in AI, Machine Learning, Data Science, etc., on popular online e-learning platforms are available in multiple languages to help learners study these topics in their native languages. It helps them expand the reach of their platform and help students learn better.

Popular learning management systems, like EdMingle, TalentLMS, etc., use AI dubbing tools to offer personalized learning experiences to their users.

Commercials

Commercials and advertisements are another area where dubbing is quite extensively used. These commercials are often shot in a single language, English. These are then dubbed using professional voice actors in different languages for worldwide distribution.

There are several benefits to dubbing commercials as they help reduce the cost of production, reach more audiences, and use the same brand ambassador for all markets.

Why should you use Murf Dub for all your dubbing needs?

Although dubbing films, TV shows, games, e-learning courses, etc., into multiple languages helps creators and businesses reach new audiences, it is a hassle. You must hire various voice actors from your target language, work with them, mix the dub, and edit it extensively. It is a lot of work and extremely expensive. That's why studios and creators have not gone into translations with their content. However, it has quickly changed thanks to the arrival of AI dubbing tools.

Now, filmmakers, producers, studios, content creators, game developers, etc., actively use AI dubbing tools like Murf AI to translate and dub their products into multiple languages. According to Market.us, the AI dubbing tools industry is expected to be worth US $2.918 billion by 2033 with a CAGR of 13.9%, thanks to these AI dubbing tools' immense possibilities and benefits.

While there are many AI dubbing tools in the market, Murf AI stands apart with its Murf Dub platform due to the numerous functionalities it offers:

• Translate and dub videos into 30+ languages in diverse styles
• Instant voice clone to emulate your original actor's voices
• Numerous voices that suit the style and nature of the dialogue
• Options to edit and customize the translated script and voice-over

All these dubbing and voice-over editing capabilities make Murf Dub a reliable and robust platform for creators looking for a top AI dubbing tool.  If you wish to explore the platform even more, book a free consultation with our experts.