> ## Documentation Index
> Fetch the complete documentation index at: https://docs.carter.ac/llms.txt
> Use this file to discover all available pages before exploring further.

# Try CARTER

> Experience the voice interface

## Launch the Interface

Ready to interact with CARTER? Click below to open the voice interface:

<Card title="Launch CARTER" icon="rocket" href="https://carter.ac/app">
  Open the voice interface
</Card>

## How to Use

<Steps>
  <Step title="Open the Interface">
    Click the "Launch CARTER" button above to open the voice interface at carter.ac/app
  </Step>

  <Step title="Choose Your Input Method">
    **Text Chat**: Type messages in the input box\
    **Voice Input**: Click the voice button and allow microphone access
  </Step>

  <Step title="Interact with CARTER">
    Send messages or speak to CARTER. Experience real emotions through voice powered by Cartesia Sonic.
  </Step>
</Steps>

## What to Expect

<AccordionGroup>
  <Accordion title="Real Emotional Voice">
    CARTER responds with genuine emotional expression - excitement, curiosity, sarcasm, and more. The Sonic model enables authentic vocal emotions, not simulated responses.
  </Accordion>

  <Accordion title="Unfiltered Personality">
    CARTER has no guardrails. Expect unpredictable, creative, and sometimes unhinged responses. This is intentional as part of the demonstration.
  </Accordion>

  <Accordion title="Rate Limits">
    Due to high demand, you may encounter rate limit errors. This is part of the demo showing real-world API constraints.
  </Accordion>

  <Accordion title="Alternative Access">
    If CARTER is unavailable, try the underlying technology directly at:\
    [https://play.cartesia.ai/text-to-speech](https://play.cartesia.ai/text-to-speech)
  </Accordion>
</AccordionGroup>

## Features

### Text Chat

* Type messages and receive instant responses
* See conversation history in terminal-style interface
* Watch API requests in real-time (check browser DevTools)

### Voice Input

* Click the voice button to enable
* Browser will request microphone permission
* Speak naturally - CARTER listens and responds
* See "RECORDING..." indicator when active

### System Status

* Connection status indicator
* Real-time API request monitoring
* Error messages with helpful alternatives

## Tips for Best Experience

<CardGroup cols={2}>
  <Card title="Be Creative" icon="lightbulb">
    CARTER thrives on creative, unexpected prompts. Don't hold back.
  </Card>

  <Card title="Try Voice" icon="microphone">
    Experience the full emotional range through voice responses
  </Card>

  <Card title="Check DevTools" icon="code">
    Open browser DevTools to see API requests in real-time
  </Card>

  <Card title="Expect the Unexpected" icon="question">
    CARTER's personality is unfiltered and unpredictable
  </Card>
</CardGroup>

## Technical Details

The interface demonstrates:

* **Real-time voice generation** using Cartesia Sonic
* **WebSocket connections** for low latency
* **Microphone API** integration
* **Error handling** patterns
* **Rate limiting** implementation

## Troubleshooting

<AccordionGroup>
  <Accordion title="Rate Limit Errors">
    If you see rate limit errors, this is intentional to demonstrate real-world constraints. Try again in a moment or use the Cartesia playground:\
    [https://play.cartesia.ai/text-to-speech](https://play.cartesia.ai/text-to-speech)
  </Accordion>

  <Accordion title="Microphone Not Working">
    * Ensure browser permissions are granted
    * Check system microphone settings
    * Try refreshing the page
  </Accordion>

  <Accordion title="No Audio Output">
    * Check system volume
    * Ensure browser allows audio playback
    * Try a different browser
  </Accordion>

  <Accordion title="Page Not Loading">
    * Check your internet connection
    * Try clearing browser cache
    * Use a modern browser (Chrome, Firefox, Safari, Edge)
  </Accordion>
</AccordionGroup>

## Alternative Methods

If the main interface is unavailable:

### Cartesia Playground

Test the underlying voice technology:

```
https://play.cartesia.ai/text-to-speech
```

### Build Your Own

Follow the [Developer Guide](/developers/overview) to build your own CARTER-like interface.

## What's Next?

<CardGroup cols={2}>
  <Card title="Learn How It Works" icon="circle-info" href="/about">
    Read about CARTER's technology
  </Card>

  <Card title="Build Your Own" icon="code" href="/developers/overview">
    Developer documentation
  </Card>
</CardGroup>

***

<Note>
  **Status**: CARTER is experimental. Connection: UNSTABLE. Regrets: ONGOING.
</Note>