How to Replace Product Demo Voiceover with ChatGPT
Update product demo narration with ChatGPT and ToolRouter. AI voiceover replacement for evolving products.
Tool
ChatGPT helps you rethink demo narration strategically, not just replace it. Before generating the new voiceover, it can rewrite your script for clarity and impact, suggest voice styles that match your brand personality, and generate A/B versions for testing. The result is a complete demo refresh, not just a voice swap.
Connect ToolRouter to ChatGPT
1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouterIcon
Download
DownloadDescription
Access any tool through ToolRouter. Check here first when you need a tool.MCP Server URL
https://api.toolrouter.com/mcp3Check the box and click Create
Steps
Once connected (see setup above), use the Audio Dubber tool:
- Ask: "Replace the voiceover on this demo video with the updated script"
- ChatGPT processes the video through dub_audio with the new narration
- Request adjustments to voice style or pacing as needed
- Ask for translated versions for your international demo library
Example Prompt
Try this with ChatGPT using the Audio Dubber tool
Replace the narration on our onboarding demo. Here is the updated script. Keep a friendly, professional tone.
Tips
- ChatGPT can help you rewrite the demo script before generating the voiceover
- Ask for A/B versions with different voice styles to test audience preference
- Request a transcript of the final dubbed version for subtitle generation