AI BriefingBuilding a Text-Based Ad Generator Using ElevenLabs, Gemini, and Veo 2
Key point
Combined ElevenLabs, Gemini, and Veo 2 to build an AI pipeline that turns a simple idea into a 30-second ad video.
Details
Built a tool that automatically generates a 30-second ad video—complete with visual effects, voiceover, and sound effects—from a simple product idea input. The system uses ElevenLabs (TTS/SFX), Google Gemini, and Veo 2 as its core engines.
The overall stack consists of a Node.js (Express) backend and a React frontend, and Claude 4 Opus was used during development to rapidly implement product logic and features.
Ad generation happens through the following 8-step pipeline:
- Define product information and generate script
- Generate video and produce sound effects (SFX)
- Assemble video and add voiceover
- Finalize video and generate social media posts
Gemini 2.0 Flash is responsible for refining vague ideas into concrete product concepts and generating a structured JSON script consisting of 4 scenes (5 seconds each). Each scene includes voiceover, a video generation prompt, and sound effect descriptions, providing a customized script tailored to the product's mood and target audience.
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