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# Soniox plugin for LiveKit Agents
Support for Soniox [Speech-to-Text](https://soniox.com/docs/stt) and [Text-to-Speech](https://soniox.com/docs/tts) APIs, using WebSocket streaming interfaces.
See [STT documentation](https://docs.livekit.io/agents/models/stt/soniox/) and [TTS documentation](https://docs.livekit.io/agents/models/tts/soniox/) for more information.
## Installation
```bash
pip install livekit-plugins-soniox
```
## Pre-requisites
The Soniox plugin requires an API key to authenticate. You can get your Soniox API key [here](https://console.soniox.com/).
Set API key in your `.env` file:
```
SONIOX_API_KEY=<your_soniox_api_key>
```
## Usage
### Speech-to-Text (STT)
Use Soniox STT in an `AgentSession` or as a standalone transcription service:
```python
from livekit.plugins import soniox
session = AgentSession(
stt=soniox.STT(),
# ... llm, tts, etc.
)
```
### Text-to-Speech (TTS)
Use Soniox TTS for real-time speech synthesis:
```python
from livekit.plugins import soniox
session = AgentSession(
tts=soniox.TTS(
language="en",
voice="Maya",
speed=1.0, # 0.7-1.3
),
# ... stt, llm, etc.
)
```
The TTS supports real-time streaming from LLM - text chunks are tokenized and sent to Soniox as words are formed, enabling low-latency speech synthesis.
## More information and reference
Explore integration details and find comprehensive examples:
- [Soniox STT LiveKit integration guide](https://soniox.com/docs/integrations/livekit)
- [Soniox API reference](https://soniox.com/docs/api-reference)
- [Soniox STT languages](https://soniox.com/docs/stt/concepts/supported-languages) and [Soniox TTS languages](https://soniox.com/docs/tts/concepts/languages)
- [Soniox TTS voices](https://soniox.com/docs/tts/concepts/voices)