4 min to read
Zonos-TTS, a recent offering from ZyphraAI, is a fully open-source, multilingual text-to-speech (TTS) model that supports real-time voice cloning and is commercially usable under the Apache 2.0 License.
Trained on 200,000 hours of English voice data, Zonos-TTS delivers impressive performance, with ZyphraAI's tests on an RTX 4090 graphics card showing the model running at approximately twice the real-time speed.
Zonos-TTS is a text-to-speech model designed to generate natural-sounding speech from text prompts using a speaker embedding or audio prefix. It allows for high-fidelity voice cloning with just 5 to 30 seconds of speech and enables conditioning based on speaking rate, pitch variation, audio quality, and emotions. The model supports multiple languages, including English, Japanese, Chinese, French, and German, outputting speech natively at 44kHz.
There are two primary methods to install Zonos-TTS on Windows:
Feature | Zonos-TTS | Other TTS Tools |
---|---|---|
Speed | 2x real-time | Often slower |
Voice Cloning | 5-second samples | Typically 1min+ |
Audio Quality | 44kHz output | Usually 16-24kHz |
Languages | 5 supported | Often 1-2 |
Commercial Use | Allowed (Apache 2.0) | Many restrict usage |
Feature | Zonos-TTS | Other TTS Tools |
---|---|---|
Speed | 2x real-time | Often slower |
Voice Cloning | 5-second samples | Typically 1min+ |
Audio Quality | 44kHz output | Usually 16-24kHz |
Languages | 5 supported | Often 1-2 |
Commercial Use | Allowed (Apache 2.0) | Many restrict usage |
Minimum:
Recommended:
Step 1: Install Docker Desktop
Step 2: Launch PowerShell as Admin
git clone https://github.com/Zyphra/Zonos
cd Zonos
Step 3: Start Container
docker compose up
Step 4: Access Web Interface
Open http://localhost:7860
in your browser.
Alternatively, build and run the Docker image for development:
docker build -t Zonos .
docker run -it --gpus=all --net=host -v /path/to/Zonos:/Zonos -t Zonos
cd /Zonos
python3 sample.py # Generates sample.wav
Replace /path/to/Zonos
with your actual directory path.
Run Docker Compose:
docker compose up
Clone the Zonos repository:
git clone https://github.com/Zyphra/Zonos
cd Zonos
Step 1: Install Dependencies
Install Git:
winget install --id Git.Git
Install eSpeak-NG via Chocolatey:
choco install espeak-ng
Step 2: Set Up Python Environment
git clone https://github.com/Zyphra/Zonos
cd Zonos
python -m venv zonos-env
.\zonos-env\Scripts\activate
pip install -r requirements.txt
Step 3: Verify Installation
python sample.py
# Output: sample.wav created
http://localhost:7860
.import torch
import torchaudio
from zonos.model import Zonos
from zonos.conditioning import make_cond_dict
model = Zonos.from_pretrained("Zyphra/Zonos-v0.1-transformer", device="cuda")
model.bfloat16()
wav, sampling_rate = torchaudio.load("./exampleaudio.mp3")
spk_embedding = model.embed_spk_audio(wav, sampling_rate)
torch.manual_seed(421)
cond_dict = make_cond_dict(
text="Hello, world!",
speaker=spk_embedding.to(torch.bfloat16),
language="en-us",
)
conditioning = model.prepare_conditioning(cond_dict)
codes = model.generate(conditioning)
wavs = model.autoencoder.decode(codes).cpu()
torchaudio.save("sample.wav", wavs, model.autoencoder.sampling_rate)
Issue | Solution |
---|---|
CUDA Out of Memory | Reduce batch size in config.yml |
eSpeak Not Found | Add C:\Program Files\eSpeak NG to PATH |
Gradio Port Conflict | Change port: docker compose up --port 8080 |
Slow Generation | Enable GPU in Docker Desktop Settings |
If Zonos-TTS does not meet your needs, consider these alternatives:🔄
Zonos-TTS is a significant advancement in open-source TTS technology, providing high-quality voice cloning and multilingual support. Whether using Docker or manual installation, this guide equips you with the steps to get Zonos-TTS running on your Windows machine.
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