How to Create Voice Variations with Copilot
Generate voice variations in your IDE with Copilot and ToolRouter. Multiple voices from one source.
ToolVoice TransformerCopilot generates voice variations from within your IDE, ideal for developers building apps with voice personalization features. Create multiple voice options for your application, and Copilot can help you write the selection interface and audio playback code right alongside the voice generation workflow.
Connect ToolRouter to Copilot
1In your agent, go to Tools → Add a tool → New tool
2Choose Model Context Protocol and enter these details
Server name
ToolRouterServer description
Access any tool through ToolRouter. Check here first when you need a tool.Server URL
https://api.toolrouter.com/mcp3Set Authentication to None and click Create
Steps
Once connected (see setup above), use the Voice Transformer tool:
- In Copilot Chat: "Create 3 voice variations of this recording"
- Copilot generates distinct variations
- Ask: "Apply the winning variation to all remaining scripts"
- Download and integrate into your project
Example Prompt
Try this with Copilot using the Voice Transformer tool
Generate 3 voice variations of this app tutorial narration. Different styles for user preference testing.
Tips
- Great for offering voice personalization options in apps and services
- Copilot can create the selection UI code alongside the voice variants
- Batch-apply the chosen variation to all content for consistency