Voice Library Overview
The Voice Library is where you browse, preview, and select voices for your AI agents. Each voice has unique characteristics including gender, language support, and tonal qualities that affect how your agent sounds to callers.The right voice significantly impacts caller perception and engagement. Take time to find one that matches your brand and use case.
Accessing the Voice Library
Navigate to Voices in the main navigation menu to access the Voice Library.Browsing Voices
The Voice Library displays all available voices in a table format:| Column | Description |
|---|---|
| ID | Unique voice identifier |
| Name | Voice name |
| Gender | Male, Female, or Neutral |
| Languages | Supported languages |
| Sample | Play a sample |
| Custom Audio | Generate custom samples |
Searching Voices
Use the search bar to filter voices by:- Name
- Description
- Language
- Labels
Previewing Voices
Playing Samples
Each voice has a pre-recorded sample:Generating Custom Audio
Test voices with your own text:Voice Settings
Fine-tune voice characteristics using the settings panel:Speed
| Range | Description |
|---|---|
| 0.70x | Slower speech |
| 1.00x | Normal speed |
| 1.20x | Faster speech |
Naturalness (Stability)
| Value | Description |
|---|---|
| 0.0 | More natural, slight variations |
| 0.5 | Balanced |
| 1.0 | More consistent, less natural |
Consistency (Similarity Boost)
| Value | Description |
|---|---|
| 0.0 | More variation |
| 0.5 | Balanced |
| 1.0 | Maximum consistency |
Selecting a Voice for Your Agent
Once you’ve found the right voice:Voice Characteristics
By Gender
- Female
- Male
- Neutral
- Generally perceived as friendly and approachable
- Popular for customer service and support
- Works well for healthcare and wellness
By Use Case
| Use Case | Recommended Characteristics |
|---|---|
| Customer Support | Warm, patient, clear |
| Sales | Energetic, persuasive, confident |
| Healthcare | Calm, reassuring, professional |
| Finance | Trustworthy, professional, clear |
| Technology | Modern, clear, knowledgeable |
Language Support
Voices may support one or multiple languages. Check the “Languages” column to ensure compatibility with your agent’s language setting. Supported Languages include:- 🇺🇸 English (US)
- 🇬🇧 English (UK)
- 🇪🇸 Spanish
- 🇫🇷 French
- 🇩🇪 German
- 🇮🇹 Italian
- 🇵🇹 Portuguese
- And more…
Best Practices
Match Brand Voice
Match Brand Voice
Choose a voice that aligns with your brand personality. A luxury brand might want a sophisticated voice, while a tech startup might prefer a modern, casual one.
Consider Your Audience
Consider Your Audience
Think about who will be receiving calls. Different demographics may respond better to different voice characteristics.
Test with Real Content
Test with Real Content
Generate custom audio using actual phrases from your scripts to hear how the voice handles your specific content.
Check Language Quality
Check Language Quality
If using non-English languages, test pronunciation of common terms and names.
Adjust Settings
Adjust Settings
Fine-tune speed and naturalness to match your use case. Support calls might benefit from slower, clearer speech.