Voice Cloning with Emotion Control
Try Chatterbox by Resemble AI—an open-source TTS engine with emotion control. Upload reference audio to clone voices, adjust emotional expressiveness with a slider, and generate natural-sounding speech instantly. Built on cutting-edge AI with MIT license.
Generate speech with reference audio styling and emotion control
How to Use: Enter your text (up to 300 characters), optionally upload reference audio for voice cloning, and adjust the Exaggeration slider (0.25-2.0) to control emotional expressiveness from monotone to dramatic. Adjust CFG/Pace (0.2-1.0) for generation quality vs. speed. The demo runs on Hugging Face Spaces and may take a moment to initialize.
What you can do with this interactive Chatterbox demo
Upload your own audio clip as reference, and the model will clone that voice style for your generated speech. No training required—just upload and generate instantly.
Control emotional expressiveness with the Exaggeration slider. Range from 0.25 (neutral, monotone) to 2.0 (highly expressive, dramatic). Fine-tune the emotional delivery for your content.
Generate speech in real-time directly in your browser. Adjust parameters and hear results instantly without waiting for long processing times.
Balance generation quality and speed with the CFG/Pace parameter (0.2-1.0). Lower values produce faster results, higher values ensure better quality output.
Enter any text up to 300 characters and convert it to natural-sounding speech. Perfect for testing short phrases, sentences, or creating voice samples.
No training, fine-tuning, or preparation required. Simply upload reference audio and start generating speech immediately with voice cloning capabilities built-in.
Follow these simple steps to generate voice-cloned speech
Type or paste your text in the input field (maximum 300 characters). This is the content that will be converted to speech. The demo works best with complete sentences and natural punctuation.
Click "Upload file" or "Record audio" to provide reference audio. The model will clone the voice characteristics from your reference. If you skip this step, the model will use its default voice. For best results, use clear audio with minimal background noise.
Fine-tune the generation parameters to match your needs:
Click the "Generate" button to create your speech audio. Wait for the processing to complete (usually takes a few seconds). Once generated, you can play the audio directly in the browser or download it for your projects. The output will match the voice characteristics of your reference audio with the emotional intensity you specified.
What you can create with voice cloning and emotion control
Create professional voiceovers for videos, presentations, and multimedia content. Clone your own voice or a professional narrator's voice for consistent branding.
Generate audiobook samples with different emotional intensities. Test character voices and narrator styles before committing to full audiobook production.
Produce engaging educational materials with appropriate emotional delivery. Create lessons, tutorials, and training content with controlled expressiveness.
Generate consistent intro and outro segments for podcasts. Clone host voices for seamless editing and content updates without re-recording.
Quickly prototype game character voices and dialog. Test different emotional deliveries for character interactions before final voice actor recording.
Create custom voice messages and greetings with emotion control. Perfect for IVR systems, voicemail, and automated customer communications.
Common questions about using the Chatterbox demo
For best voice cloning results, use reference audio that is:
The Exaggeration slider controls the emotional intensity and expressiveness of the generated speech:
Extreme values (very low or very high) may produce less stable results. Start with the default 0.5 and adjust based on your needs.
Chatterbox is open-source software released under the MIT license, which allows commercial use. However:
For production deployments, you can deploy the full Chatterbox model from GitHub and self-host it with full control over your infrastructure.
Yes! This demo showcases the English version of Chatterbox. The full Chatterbox Multilingual model supports 23 languages including: Arabic, Chinese, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Hindi, Italian, Japanese, Korean, Malay, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Swahili, and Turkish.
To use the multilingual model with cross-language voice transfer and full language support, you can deploy it from the GitHub repository. It's open-source under MIT license and includes comprehensive documentation for deployment.
Generation speed depends on several factors:
For production use with guaranteed performance, consider deploying the model on your own infrastructure from GitHub.
Experience Chatterbox with the free interactive demo above. For production deployments or multilingual support (23 languages), deploy the full open-source model from GitHub—all under MIT license.
Free Online Demo • Voice Cloning • Emotion Control • Open-Source MIT License