# Feature Overview

## Voice Selection

| Voice Selection                   |
| --------------------------------- |
| [Voices](/guides/aura-tts-models) |

## Media Output Settings

| Feature                                                      |
| ------------------------------------------------------------ |
| [Encoding](/guides/media-output-settings-tts-encoding)       |
| [Sample Rate](/guides/media-output-settings-tts-sample-rate) |

## Control Messages

| Feature                            |
| ---------------------------------- |
| [Flush](/guides/aura-tts-ws-flush) |
| [Clear](/guides/aura-tts-ws-clear) |
| [Close](/guides/aura-tts-ws-close) |

## Rate Limits

:::callout{intent="info"}
For information on Deepgram's Concurrency Rate Limits, refer to our [API Rate Limits Documentation](/guides/self-hosted-deployments-2-reference-api-rate-limits).
:::

## Deepgram Self-Hosted

:::callout{intent="info"}
Having challenges with performance and latency? Check out Deepgram's [Self-Hosted Solution](/guides/self-hosted-deployments-index) to get the benefits of running your own hosted instance of Deepgram.
:::

## Related pages

- [Getting Started](./aura-streaming-text-to-speech.md)
- [Template Apps](./aura-tts-streaming-template-apps.md)
- [Control Messages](./aura-control-messages.md)

# Agent Instructions

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