AI voiceover

How to clone your voice for video narration (and when you should)

By Tushar Agarwal, Founder, Explaino · Updated October 17, 2026 · 6 min read

Quick answer

To clone your voice for video narration, record roughly 30 seconds of clean, natural speech, create the voice clone in your video tool, and select it as the narrator; the AI then reads any script in your voice. In Explaino, a cloned voice can narrate edited recordings and translated versions, so your videos keep one voice across languages.

Watch: Cloning a voice and narrating a tutorial with it

Video walkthrough coming soon

This video is being made with Explaino from a single screen recording. You can make your own version in a few minutes.

Make this video free

Made with Explaino: recorded once, then narrated, zoomed and captioned automatically.

Step by step

1
Record a clean sample
About 30 seconds of natural speech in a quiet room, at your normal pace. Read something conversational, not a list — the clone inherits your rhythm.
2
Create the clone
Upload the sample and confirm consent. You can only clone a voice you have the right to clone — your own, or a teammate's with their explicit permission.
3
Narrate from the script
Pick the cloned voice as the narrator. The AI reads the cleaned script with your tone, so fillers and restarts from the raw take are gone but the voice is still yours.
4
Use it across languages
Translated versions can keep the cloned voice, so your French and Hindi tutorials sound like you — a consistency no human re-recording can match.
5
Keep the sample on file
Store the consent and the sample with your brand assets, and re-test the clone after major product renames so pronunciations stay right.

When a cloned voice beats a stock AI voice

Stock AI voices are excellent for help centers where consistency matters more than identity. A cloned voice earns its place when the person matters: founder-led demos, a DevRel engineer's tutorials, a course where learners know the instructor. You get the trust of a familiar voice with the economics of AI narration — edit the script, regenerate the audio, never re-book a recording session.

Consent and ethics, briefly

Only clone voices with explicit permission, keep a record of that consent, and disclose AI narration where your audience would expect to know. Within a company, treat a teammate's voice like their photo: usable with permission, never without.

Clone your own voice freely; anyone else's requires written consent.
Remove clones when an employee leaves, as you would their headshot.
Check your tool's policy — reputable tools verify consent at creation.

Record it once. Explaino does the rest.

Turn one screen recording into a narrated video with smart zoom and captions, plus a step-by-step article, in 70+ languages.

Start free in Explaino Studio Get the Chrome extension

Free plan · no credit card required

Frequently asked questions

How much audio does a clone need?

Around 30 seconds of clean speech is enough for a usable clone; a few minutes improves fidelity. Quality of the sample matters more than length.

Can the clone speak languages I don't?

Yes. The clone carries your timbre into translated scripts, so one recording session gives you narration in 70+ languages in a voice that sounds like you.

Is my cloned voice secure?

Treat the clone like a credential: it lives in your account, and you control which projects use it. Review your tool's security documentation — Explaino runs on VocalLabs infrastructure with SOC 2 and ISO 27001 documentation.

How to clone your voice for video narration (and when you should)

Watch: Cloning a voice and narrating a tutorial with it

Step by step

Record a clean sample

Create the clone

Narrate from the script

Use it across languages

Keep the sample on file