---
title: XTTSv2 Optimized TTS
emoji: 🐸
colorFrom: green
colorTo: blue
sdk: gradio
sdk_version: 5.5.0
app_file: app.py
pinned: false
license: other
tags:
  - tts
  - text-to-speech
  - voice-cloning
  - xtts
  - coqui
suggested_hardware: t4-small
---

# 🐸 XTTSv2 Optimized Text-to-Speech

High-quality multilingual voice cloning powered by XTTSv2 with performance optimizations.

## Features

- **17 Languages**: English, Spanish, French, German, Italian, Portuguese, Polish, Turkish, Russian, Dutch, Czech, Arabic, Chinese, Japanese, Hungarian, Korean, Hindi
- **Voice Cloning**: Clone any voice from ~6 seconds of reference audio
- **Streaming Mode**: Low-latency streaming for real-time applications
- **Optimizations**:
  - DeepSpeed acceleration
  - FP16 inference
  - torch.compile() optimization
  - Speaker embedding caching

## Usage

1. Upload a reference audio file (WAV/MP3, 6-30 seconds recommended)
2. Enter your text
3. Select the language
4. Click "Generate Speech"

## Performance

| Hardware | Latency (per sentence) |
|----------|------------------------|
| T4       | ~2-3 seconds           |
| A10G     | ~1 second              |
| A100     | ~0.5 seconds           |

## Configuration

Environment variables for tuning:

- `USE_DEEPSPEED`: Enable DeepSpeed (default: true)
- `USE_FP16`: Enable FP16 inference (default: true)
- `USE_TORCH_COMPILE`: Enable torch.compile (default: true)
- `MAX_CACHE_SIZE`: Number of speakers to cache (default: 10)
- `STREAMING_CHUNK_SIZE`: Streaming chunk size (default: 20)

## License

This model uses the [Coqui Public Model License](https://coqui.ai/cpml).

## Credits

- [Coqui TTS](https://github.com/coqui-ai/TTS)
- [XTTS Paper](https://arxiv.org/abs/2406.04904)