### Initialize and use ResponsiveVoice SDK

Source: https://responsivevoice.org/api

Install the core package and initialize the voice instance with an API key to begin synthesizing speech.

```typescript
npm install @responsivevoice/core

import { getResponsiveVoice } from '@responsivevoice/core';

const rv = await getResponsiveVoice({
  apiKey: 'YOUR_API_KEY'
});

rv.speak('Your product has a voice now.', 'UK English Female');
```

--------------------------------

### Initialize and Play Speech in Browser

Source: https://responsivevoice.org/api

Include the ResponsiveVoice library via script tag and trigger speech playback using the speak method on user interaction.

```html
<script src="https://code.responsivevoice.org/responsivevoice.js?key=YOUR_UNIQUE_KEY"></script>

<button onclick="responsiveVoice.speak('Hello world', 'UK English Female')">
  Play
</button>
```

--------------------------------

### getResponsiveVoice

Source: https://responsivevoice.org/api

Initializes the ResponsiveVoice instance using an API key and provides the speak method to convert text to speech.

```APIDOC
## getResponsiveVoice

### Description
Initializes the ResponsiveVoice service with the provided API key and returns an instance to control speech synthesis.

### Parameters
#### Request Body
- **apiKey** (string) - Required - The API key used to authenticate the request.

### Request Example
{
  "apiKey": "YOUR_API_KEY"
}

## speak

### Description
Triggers the text-to-speech engine to read the provided text using the specified voice profile.

### Parameters
- **text** (string) - Required - The text content to be spoken.
- **voice** (string) - Required - The name of the voice profile to use (e.g., 'UK English Female').
```

--------------------------------

### speak(text, voice, params)

Source: https://responsivevoice.org/api

Initiates speech playback for the provided text using the specified voice and optional parameters.

```APIDOC
## speak(text, voice, params)

### Description
Speak text in a selected voice with pitch, rate, volume, and callbacks.

### Parameters
- **text** (string) - Required - The text to be spoken.
- **voice** (string) - Optional - The name of the voice to use.
- **params** (object) - Optional - Configuration parameters including pitch, rate, volume, and callbacks.
```

--------------------------------

### pause() / resume()

Source: https://responsivevoice.org/api

Controls the playback state of long passages.

```APIDOC
## pause() / resume()

### Description
Control long passages and user-driven playback.
```

--------------------------------

### getVoices()

Source: https://responsivevoice.org/api

Retrieves a list of voices available to the current integration.

```APIDOC
## getVoices()

### Description
List voices available to the current integration.
```

--------------------------------

### setTextReplacements()

Source: https://responsivevoice.org/api

Configures custom pronunciation replacements.

```APIDOC
## setTextReplacements()

### Description
Tune pronunciation with custom replacements.
```

--------------------------------

### setDefaultVoice()

Source: https://responsivevoice.org/api

Sets the default voice to be used for subsequent speak calls.

```APIDOC
## setDefaultVoice()

### Description
Set the default voice for repeated calls.
```

--------------------------------

### cancel()

Source: https://responsivevoice.org/api

Stops any active speech playback.

```APIDOC
## cancel()

### Description
Stop active speech playback.
```

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