How to create ultra realistic human sound voice with prompting

AI voices have improved massively — but most people still use them the wrong way.

They paste a script into ElevenLabs, click “Generate,” and wonder why it sounds robotic, rushed, flat, or unnatural.

Here’s the truth:

✅ The voice model is only half the story.
✅ The performance direction inside the script is what creates “ultra-human” voice quality.

In this article, I’ll show you a simple but powerful method to create ultrahuman-style voices by using ChatGPT to rewrite your script into a performance-ready version designed for ElevenLabs.

This method adds:

  • natural pauses
  • emotion shifts
  • emphasis
  • breath cues
  • conversational pacing
  • and voice direction

The result? Your AI voice suddenly sounds like a real person with intention — not a machine reading text.

Why Most AI Voices Sound Fake (Even with a Great Voice Model)

Even the best AI voice models fail when:

  • the script has no pauses
  • sentences are too long
  • there’s no emotional intention
  • the pacing is uniform
  • the language is too “written” and not “spoken”
  • transitions are abrupt
  • emphasis is missing

Humans don’t talk like blog posts.

We speak in:
✅ fragments
✅ micro-pauses
✅ emotional variations
✅ rhythm and tension
✅ emphasis and softness

So the key is: rewrite the script into spoken language + performance cues.

The Method: Script → ChatGPT Performance Rewrite → ElevenLabs

Here’s the workflow:

Step 1: Start with a normal script

This could be:

  • a YouTube voiceover
  • Instagram reel narration
  • ad script
  • educational content
  • product explanation

Step 2: Send the script to ChatGPT using a specific prompt

ChatGPT will convert it into a voice-performance script.

Step 3: Paste the output into ElevenLabs

ElevenLabs will interpret the structure and cues and sound much more natural.

The “Ultra-Human Voice Prompt” (Copy-Paste)

Use this prompt in ChatGPT:

You are a professional voice director and script editor.

Your job is to rewrite the following script into an ultra-human voiceover version designed for ElevenLabs.

Rules:
1) Convert written text into spoken, conversational language.
2) Add natural pauses using: (pause 0.3s), (pause 0.5s), (pause 1s)
3) Add emotional direction in brackets like:
   [warm], [excited], [serious], [calm], [curious], [confident], [soft], [urgent]
4) Add emphasis using ALL CAPS for important words (but not too often).
5) Add small human-like fillers sparingly (like “you know,” “honestly,” “right?”) — but only where natural.
6) Break long sentences into shorter, voice-friendly lines.
7) Add breath cues occasionally: (breath)
8) Keep the meaning the same, but make it SOUND like a real person is speaking it.
9) Output ONLY the rewritten voiceover script. No extra explanations.

Script:
---
[PASTE SCRIPT HERE]
---

✅ This prompt is your “secret sauce.”
It transforms boring text into performance-level speech.

Example: Normal Script vs Ultra-Human Script

✅ Original Script (Robotic)

“In today’s video, we will discuss how to increase productivity by using automation tools and minimizing distractions.”

✅ Ultra-Human Output (ElevenLabs Ready)

[confident] In today’s video… (pause 0.5s)
I want to show you something that can instantly make you more productive.
(pause 0.3s)
And honestly — it’s not about working harder.
It’s about working SMARTER. (pause 0.5s)
Using automation… and removing distractions.
(pause 0.3s)
Let’s break it down.

Notice what changed:

  • pacing
  • emotion
  • emphasis
  • pauses
  • energy shifts

That’s what makes it sound human.

Pro Tips: How to Make Voices Sound EVEN More Real

Here’s the advanced layer — what Media87 uses when we produce high-quality AI voice content.

1) Add “micro-moments”

Humans do this naturally:

  • “Wait…”
  • “Here’s the crazy part…”
  • “Let me explain…”
  • “This matters because…”

These create storytelling realism.

2) Use contrast in tone

Example:

  • start calm
  • build suspense
  • land with confidence
  • end with warmth

AI voices sound robotic when the tone never changes.

3) Use intentional silence

Silence is power.

Use:

  • (pause 1s) before key points
  • (pause 0.5s) after a punchline
  • (pause 0.3s) between short phrases

4) Add “breath” like a human performer

Not too much. Just occasionally:

  • (breath)
  • [soft] …and that’s why this works.

5) Use “spoken grammar”

Instead of:

❌ “Therefore, we recommend implementing…”
Use:

✅ “So here’s what I’d do…”

What to Do in ElevenLabs (Best Settings)

ElevenLabs voices vary, but here’s a strong starting point:

✅ Stability: Medium-low (so it feels expressive)
✅ Similarity: Medium-high (so the voice stays consistent)
✅ Style / Expressiveness: Medium-high
✅ Speaker Boost: On (if it improves clarity)

Then adjust based on content type:

For Ads / Promos:

  • More expressiveness
  • sharper pauses
  • stronger emphasis

For Educational / Explainer:

  • calmer tone
  • fewer fillers
  • clean pauses

Common Mistakes to Avoid

Here are mistakes that instantly ruin “ultra-human” voice quality:

❌ Using too many pauses → sounds dramatic and fake
❌ Adding too many emotions → becomes unnatural
❌ Overusing ALL CAPS → feels forced
❌ Using “(laugh)” or “(cry)” too often → cringe
❌ Keeping paragraphs too long
❌ Too many filler words

Keep it subtle — realistic humans are not theatrical.

The Media87 Way: We Turn AI Voices into Professional Narration

At Media87.com, we help brands, creators, and businesses build high-converting content systems using AI — and voice is one of our most powerful tools.

✅ We don’t just generate voice.
We produce voiceovers that sound like real presenters, designed to hold attention and drive action.

What Media87 Can Do for You

  • AI voiceover production (ultra-human style)
  • script writing + rewriting for voice performance
  • reels + YouTube automation content systems
  • ad creatives using AI narration
  • voice cloning (where permitted)
  • storytelling format design (hooks, suspense, payoff)
  • complete content workflow creation

If you want your content to sound premium and natural — we can build the full pipeline for you.

Final Thoughts

If you want ultra-human AI voices, don’t chase voice models.

✅ Chase performance scripting.
Because when the script sounds human… the voice becomes human.

And the fastest way to do it is:

Script → ChatGPT performance rewrite → ElevenLabs

Try it once, and you’ll never go back.

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