What languages does VoxCPM2 support?

VoxCPM2 supports 30 languages, such as English, Chinese, Spanish, French, German, and others, along with Chinese dialects like Sichuanese and Cantonese, as detailed in the documentation.

Is VoxCPM2 open-source and free to use?

Yes, VoxCPM2 is fully open-source under the Apache License 2.0, available on GitHub for free use, modification, and distribution.

How do I perform voice cloning with VoxCPM2?

Voice cloning can be done using command-line tools or the API by providing reference audio files and optional transcripts, as shown in the examples for single or batch processing.

What are the system requirements for running VoxCPM2?

It requires Python ≥ 3.10, PyTorch ≥ 2.5.0, and CUDA ≥ 12.0 for GPU acceleration, with detailed installation instructions provided in the quick start guide.

VoxCPM2

Open-source 48kHz TTS with voice design and cloning

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What is VoxCPM2

VoxCPM2 is an open-source text-to-speech model with 2 billion parameters, supporting 30 languages and delivering high-quality 48kHz audio output. It features tokenizer-free architecture for efficient synthesis, enabling voice design from text descriptions and controllable voice cloning. The model is optimized for real-time streaming, making it suitable for production voice workflows and scalable applications.

Key Features

Multilingual support for 30 languages including various dialects

High-fidelity 48kHz audio output for realistic speech synthesis

Voice design and cloning capabilities from text or audio references

Tokenizer-free diffusion autoregressive model for efficient processing

Real-time streaming performance suitable for production environments

Use Cases

Content creators generating multilingual voiceovers for videos or podcasts
Developers integrating TTS into applications like virtual assistants or accessibility tools
Businesses implementing customer service chatbots with natural, customizable voices
Researchers experimenting with speech synthesis, voice manipulation, or language model fine-tuning

Why do startups need this tool?

Startups need VoxCPM2 as it offers a cost-effective, open-source solution for high-quality multilingual TTS, reducing dependency on expensive proprietary services. Its real-time streaming and voice cloning features enable rapid development of voice-integrated products, enhancing user engagement and expanding global market reach efficiently.