How to Dub a Video in Another Language With AI

Updated November 1, 2026

To dub a video in another language, translate the spoken script, generate a new voiceover, and align it with the original footage. Work in short sections so you can fix pronunciation and timing without regenerating the entire recording.

Prepare the video and translated script

Start with a version of the video that has clear dialogue. If possible, keep the original voice, music, and sound effects on separate tracks; this makes it easier to replace the speech without losing the rest of the mix.

Transcribe the dialogue and note the start and end time of each line. Translate for meaning rather than word for word: a literal translation can be too long for the available footage. Preserve product names, prices, and calls to action, and ask a fluent speaker to check important claims.

Break the translation into clips of one or two sentences. As a starting point, a 15-second segment may fit roughly 30–40 English words at a conversational pace, but the available space varies by language and delivery. Read each line aloud against the video before generating audio.

How to use text to speech for video dubbing

1. Prepare your script. Put each translated line beside its video timestamp. Add punctuation to suggest pauses, and spell out numbers or abbreviations when that helps the voice read them correctly.
2. Open the audio workspace. Go to Oranzy and sign up for 100 bonus tokens. Check the available audio options, token costs, and supported languages before starting.
3. Generate a test line. Choose a text-to-speech option and a voice suited to the target language. Paste one short segment, generate it, and listen for pronunciation, tone, and length. Adjust the wording or punctuation if needed.
4. Create the remaining clips. Generate the approved script in timestamped sections. Name the files in order, such as 01_intro and 02_product, so they are easy to align in your video editor.

If you are looking for AI voice cloning and text to speech, check whether a suitable cloning option is available for your language and account. Only clone a voice with the speaker's explicit permission; otherwise, use an available voice you are authorized to use.

Check pronunciation, timing, and the final track

Import the generated clips into your video editor and place each one at its matching timestamp. Mute or reduce the original dialogue while retaining any separate music and effects tracks. If the original speech is baked into the same track as the music, replacing it cleanly may require additional audio editing.

Listen through once while watching the picture. Check names, numbers, pauses, and whether each line finishes before the next speaker or scene change. If a clip runs long, shorten the translation or regenerate it with revised punctuation before using speed adjustments. Small timing changes are usually less distracting than rushed speech.

Balance the voice against the music, check that it does not distort, and export a test version. Review the final video with headphones and speakers, ideally with a fluent speaker. Keep the original frame size and aspect ratio—for example, 9:16 for a vertical video or 16:9 for a landscape video.

Common mistakes that waste generations

• Generating the whole script first: Test one representative line before committing to every segment. A voice that sounds right in isolation may mispronounce your product name.
• Ignoring timing until the end: Match each translated line to its time window before generating. Rewrite long lines instead of repeatedly rendering the same text.
• Using unclear punctuation: Add sentence breaks and commas where a pause is needed, but listen for unnatural gaps.
• Assuming an AI voice cloner text-to-speech option fits every project: Check language support, consent requirements, and usage rights before choosing a cloned voice.
• Skipping the final mix: A correct voiceover can still be hard to hear over music. Check levels and listen to the exported file, not just the editor preview.