# RivaTTS

> **Class** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/utilities/nvidia_riva/RivaTTS)

A runnable that performs Text-to-Speech (TTS) with NVIDIA Riva.

## Signature

```python
RivaTTS()
```

## Extends

- `RivaAuthMixin`
- `RivaCommonConfigMixin`
- `RunnableSerializable[TTSInputType, TTSOutputType]`

## Properties

- `name`
- `description`
- `voice_name`
- `output_directory`

## Methods

- [`invoke()`](https://reference.langchain.com/python/langchain-community/utilities/nvidia_riva/RivaTTS/invoke)
- [`transform()`](https://reference.langchain.com/python/langchain-community/utilities/nvidia_riva/RivaTTS/transform)
- [`atransform()`](https://reference.langchain.com/python/langchain-community/utilities/nvidia_riva/RivaTTS/atransform)

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[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/d5ea8358933260ad48dd31f7f8076555c7b4885a/libs/community/langchain_community/utilities/nvidia_riva.py#L519)