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

# Voice Settings

> Configure voice, accent, speed, and language-specific settings for your agents.

## Voice Configuration

Each language has specific voice options and settings:

***

## Selecting Voices

### By Language

1. Select your target language first
2. Available voices filter automatically
3. Preview voices before selecting
4. Choose based on gender and tone

### Voice Quality Tiers

| Tier     | Quality   | Languages | Cost     |
| -------- | --------- | --------- | -------- |
| Standard | Good      | All       | Standard |
| Premium  | Excellent | Major     | +20%     |
| Neural   | Best      | Select    | +50%     |

<Tip>
  Premium and neural voices provide more natural intonation and better pronunciation for professional use cases.
</Tip>

***

## Voice Speed

Adjust speaking speed for different languages:

```json theme={null}
{
  "voiceSpeed": 1.0
}
```

* **Range**: 0.5 - 2.0
* **Default**: 1.0
* **Recommended**: 0.8 - 1.2 for most use cases

### Language-Specific Recommendations

| Language | Recommended Speed | Notes                    |
| -------- | ----------------- | ------------------------ |
| English  | 1.0               | Standard pace            |
| Spanish  | 0.9               | Slightly slower          |
| French   | 0.95              | Clear pronunciation      |
| German   | 0.9               | Complex compound words   |
| Hindi    | 0.85              | Ensure clarity           |
| Japanese | 1.0               | Standard pace works well |

***

## Voice Gender

Select voice gender based on your brand and use case:

```json theme={null}
{
  "voiceGender": "female"
}
```

* **Options**: `male`, `female`, `neutral`
* **Availability**: Varies by language

<Note>
  Not all languages have all gender options. Check available voices for your selected language.
</Note>

***

## Testing Voices

### Preview Feature

1. Navigate to agent settings
2. Go to **Voice** tab
3. Select language and voice
4. Enter sample text
5. Click **Preview**
6. Adjust settings as needed

### Sample Text

Use realistic conversation samples:

**English:**

```text theme={null}
Hello! Thank you for calling. How can I help you today?
```

**Spanish:**

```text theme={null}
¡Hola! Gracias por llamar. ¿En qué puedo ayudarle hoy?
```

**French:**

```text theme={null}
Bonjour ! Merci d'avoir appelé. Comment puis-je vous aider aujourd'hui ?
```

***

## Advanced Settings

### Pitch

Adjust voice pitch (where supported):

```json theme={null}
{
  "voicePitch": 0
}
```

* **Range**: -20 to +20
* **Default**: 0
* **Note**: Not available for all voices

### Stability

Control voice stability vs. expressiveness:

```json theme={null}
{
  "voiceStability": 0.5
}
```

* **Range**: 0.0 - 1.0
* **Lower**: More expressive, varied
* **Higher**: More stable, consistent

***

## Language-Specific Considerations

### Tonal Languages (Chinese, Vietnamese)

* Use neural voices for better tone accuracy
* Test thoroughly with native speakers
* Adjust speed for clarity

### Languages with Compound Words (German, Dutch)

* Slightly slower speed recommended
* Ensure proper word separation
* Test with long compound words

### Languages with Complex Scripts (Hindi, Arabic)

* Always use native script
* Verify all diacritical marks
* Test pronunciation carefully

***

## Best Practices

### Match Voice to Brand

* **Professional**: Use formal, clear voices
* **Friendly**: Use warm, expressive voices
* **Technical**: Use clear, measured voices

### Test with Native Speakers

* Get feedback from native speakers
* Test in real-world conditions
* Adjust based on feedback

### Consider Context

* **Customer support**: Clear, patient voice
* **Sales**: Enthusiastic, engaging voice
* **Reminders**: Friendly, brief voice

***

## Next Steps

<CardGroup cols={2}>
  <Card title="Writing Prompts" icon="pen" href="/guides/multilingual/writing-prompts">
    Learn how to write effective multilingual prompts
  </Card>

  <Card title="Dynamic Switching" icon="arrows-left-right" href="/guides/multilingual/dynamic-switching">
    Enable language detection and switching
  </Card>
</CardGroup>