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Guide

How to Generate Voiceover and Background Music with AI: A Step-by-Step Guide

About 4 min read

Primary intent: Complete one practical task step by step

To add an AI voiceover and background music to a video or podcast, you need two tools: ElevenLabs for the spoken narration and Suno for the backing track. Then you mix the two yourself. Here’s the order to do it in.

Write the Script and Music Brief First

Before you generate anything, write two documents. One is the voiceover script, line by line, with pauses and stressed words marked. The other is a music brief: mood, tempo, length, and the instruments you want. The script feeds the voice tool, and the brief feeds the music tool. Leave either one vague and you’ll redo every step that follows.

Generate the Narration in ElevenLabs

Paste your script into ElevenLabs, pick a voice, set the language, generate, and listen to every line before you download it. It’s useful for narration and multilingual audio drafts. There’s a free plan to start on, and paid tiers are listed on the official site (pricing per the official site, checked 2026-07-15).

Pronunciation, emphasis, and translated meaning can all come out wrong, especially with proper nouns and foreign-language lines, so check every sentence after it generates. If you want to use a real person’s voice, get their authorization first; you can’t just clone it.

Generate the Background Music in Suno

In Suno, describe the track you want in a short text prompt covering genre, mood, tempo, and rough length, then generate a few versions and pick one. For background music, choose an instrumental take so it doesn’t bury the narration. It’s useful for hearing a musical idea early. There’s a free plan to try, with paid tiers on the official site (pricing per the official site, checked 2026-07-15).

Example prompt

Upbeat lo-fi instrumental, mid-tempo, warm electric piano underneath, made to sit behind a product explainer video, about a minute long, loops without a jarring seam.

Review the lyrics, structure, and audio details of every result before you use it, and don’t ship the raw output. Whether you can use a track commercially, and how, depends on Suno’s current terms, not on what you remember from before.

Mix the Voice and Music Together

With the narration and the backing track in hand, layer them in any audio or video editor. Keep the voice on top so it stays clear, and duck the music volume down whenever someone speaks, then bring it back up in the pauses. Match the lengths of the two tracks and fade the music out at the end. Play the whole thing back once and confirm that no line of narration gets buried.

Check Before You Publish

Before you export the final cut, confirm each of these real limitations so you don’t get caught reworking it or hitting a rights problem after launch.

  • ElevenLabs commercial licensing and advanced voice tools vary by plan, so confirm your current plan covers your intended use.
  • If a real person’s voice appears in the narration, confirm you have their authorization.
  • Re-listen to every line of the voiceover, checking pronunciation and emphasis on proper nouns and foreign-language phrases.
  • Check Suno’s commercial-use conditions against the current terms on the site, not an older impression.