Prosody-Controlled Voice AI for Expressive Speech

Go beyond robotic text-to-speech. Master the art of expression by controlling the pitch, rhythm, and intonation of every word for audio that feels truly alive.

GET START

Sometimes, our feelings feel very big. That's okay. Let's take a slow breath together. In... one, two, three... Out... one, two, three. When we breathe slowly, our body feels calm, and our heart feels safe. Remember: every feeling is welcome, and every feeling will pass, just like clouds in the sky.

Alice | Storytelling Prosody Brian | Conversational Prosody

English

See Prosody Control in Action

From flat text to expressive performance.

Our AI understands emotional cues.

You direct the vocal delivery,

we perfect the audio production.

One script, infinite vocal interpretations.

Fine-Tuned Prosody Control

Adjust pitch, pace, volume, and pauses with precision. Emphasize key words and shape the emotional arc of your narration to create compelling, human-like speech.

Ad voice with rising intonation for excitement

Emotion-Rich Voices

Select from a range of emotions or fine-tune the intensity to match your script's intent, from subtle warmth to powerful declarations.

Effortless Prosody Editing

Modify the vocal performance of any character or narrator. Adjust tone, switch languages, and refine emotional delivery with simple commands.

editing interface with timeline bars for subtitle, video, dialogue, BGM, SFX. Image height is 300 and width is 600

How to use prosody-controlled text to speech

STEP 1

Enter Your Text for Expressive Speech

Type or paste your script. Use our intuitive tools to mark words for emphasis, add strategic pauses, or note changes in tone directly in the text.

STEP 2

Choose a Voice & Adjust Prosody

Select a base voice from our library. Then, use our prosody controls to fine-tune the pitch, rate, and emotional style to perfectly match your creative vision.

STEP 3

Generate & Download Your Expressive Audio

Click 'Generate' to create your audio with nuanced prosody. Preview the result, make any final adjustments, and download your studio-quality voiceover.

Hear from the makers

From first-time storytellers to seasoned creators, these voices show how imagination turns into reality with Noiz.

Tried so many tools out there, and yours is hands down the best! The natural pauses and intonation make it sound like a real host.

AimsHigh

Podcast Producer

The pronunciation accuracy is insane, even for complex technical terms. My students say the videos are way easier to follow now.

JakeLee

YouTube Educator

Finally, a TTS that doesn't sound flat! The emotional range and breath sounds add so much life to the narration.

Guru

Audio Engineer

Who Needs Prosody Control?

AI Agents

Build conversational agents that sound truly human. Control prosody to convey empathy, urgency, or friendliness, creating more natural and engaging user interactions.

Audiobook Production

Give every character a unique vocal identity. Direct the narrator's pacing, tone, and emotional delivery to produce immersive audiobooks at a fraction of the cost.

Podcast Creation

Create dynamic, engaging podcasts without a microphone. Use prosody controls to simulate natural conversation, emphasize points, and maintain listener interest.

Video Dubbing

Match vocal performances to on-screen action perfectly. Adjust timing, emotion, and intonation for seamless, professional-grade dubbing in any language.

Animation

Breathe life into animated characters. Our prosody controls allow you to direct the voice actor's performance, ensuring every line is delivered with the right emotion and energy.

Short Video Content

Create viral-worthy narration for TikTok and Reels. Use prosody to craft catchy, energetic, or soothing voiceovers that capture attention and stop the scroll.

Frequently Asked Questions

Everything you need to know about our prosody-controlled voice AI technology.