Chatterbox: FREE voice cloning BEATS Elevenlabs! (100% Local)

By Mervin Praison

AITechnology
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Key Concepts

  • Chatterbox: An open-source voice cloning AI model.
  • Text-to-speech (TTS): Converting text into spoken audio.
  • Voice cloning: Replicating a specific person's voice.
  • Gradio: A Python library for creating user interfaces.
  • Zero-shot voice cloning: Cloning a voice from a single audio sample without training.
  • On-premise deployment: Hosting the model on your own server.
  • Emotion control: Adjusting the emotional tone of the generated speech.

Installation and Setup

  1. Prerequisites: Python version 3.10 is recommended.
  2. Installation:
    • Open your terminal or command prompt.
    • Run the command: pip install chatterbox-tts gradio
      • chatterbox-tts is the main package for text-to-speech.
      • gradio is for the user interface.
  3. Running the User Interface:
    • Save the provided code (available in the video description and GitHub repo) to a Python file (e.g., app.py).
    • Navigate to the directory where you saved the file in your terminal.
    • Run the command: python app.py
    • Open the URL provided in the terminal in your web browser. This will launch the Gradio user interface.

Using the User Interface

  1. Text-to-Speech Generation:
    • Enter the text you want to convert to speech in the text prompt box.
    • Adjust the emotion controls (e.g., neutral, adding more emotions), speed, and temperature as desired.
    • Click the "Generate" button.
    • The generated audio will appear on the right-hand side.
    • Click the play button to listen to the generated audio.
  2. Voice Cloning:
    • Upload a reference audio file (e.g., .mp3) containing the voice you want to clone.
    • Enter the text you want the cloned voice to speak in the text prompt box.
    • Click the "Generate" button.
    • The generated audio with the cloned voice will appear.

Using the Code Directly

  1. Example Code: The video provides example code for Mac (available in the GitHub repo).
  2. Reference Audio: Ensure the reference audio file (e.g., audio.mp3) is named correctly and located in the same directory as the code.
  3. Running the Code:
    • Open your terminal.
    • Navigate to the directory containing the code and the audio file.
    • Run the command: python example_for_mac.py (or the appropriate file name for your operating system).
  4. Output: The generated audio file will be saved in the same directory.

Key Arguments and Features

  • Open-Source and Free: Chatterbox is MIT licensed, making it free to use for commercial purposes.
  • Performance: It outperforms 11 Labs in blind evaluations.
  • Emotion Control: Users can adjust the emotional tone of the generated speech.
  • Low Latency: Designed for real-time voice synthesis.
  • On-Premise Deployment: Can be hosted locally on your own server.
  • Zero-Shot Voice Cloning: Clones voices from a single audio sample without requiring training.
  • Developer-First: Built for developers, creators, and enterprises.

Examples and Demonstrations

  • Text-to-Speech Example: The video demonstrates generating speech from the text "Now let's make my mom's favorite So three Mars bars into the pan Then we add the tuna and just stir for a bit."
  • Voice Cloning Example: The video demonstrates cloning a voice from a reference audio file and using it to generate speech from the same text. The results are compared to the original audio.

Technical Details

  • Python Version: 3.10 is recommended.
  • Dependencies: chatterbox-tts and gradio.
  • GitHub Repo: Contains example code for Mac, text-to-speech, voice cloning, and Gradio.

Synthesis/Conclusion

Chatterbox is presented as a compelling open-source alternative to commercial voice cloning services like 11 Labs. Its key advantages include its free and open-source nature, superior performance, emotion control, low latency, and on-premise deployment capabilities. The video provides a step-by-step guide to installing and using Chatterbox, both through the user interface and directly through code, showcasing its text-to-speech and voice cloning functionalities. The zero-shot voice cloning capability is particularly impressive, allowing users to clone voices from a single audio sample. The presenter encourages viewers to experiment with the tool and share their feedback in the comments.

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