Solo Devs' AI Odyssey: From Code to Calm
summary
A functioning system that generates unique daily guided meditations and publishes them to YouTube is built end to end: prompts produce scripts, Azure OpenAI voices render narration, DALL·E 3 images make thumbnails, and a Flutter app streams chapters. Initial generation takes ~20 minutes from scratch but the app preloads chapters to start playback in ~1 minute; a 10‑minute meditation costs ~$0.20–$0.30 to synthesize. Uses Azure AI Speech, DALL·E 3, and GitHub Copilot plus SSML breaks, SignalR, durable functions, and guardrails to avoid medical or discriminatory content.
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chapters (11)
- 0:00The origin story
- 4:27A collaborative mission
- 5:28App demonstration
- 9:34Prompt engineering strategy
- 16:58Narration and voice design
- 23:08Voice engineering with SSML
- 26:12Image generation and publishing
- 29:42Scaling from script to app
- 32:48Developing the user experience
- 37:49Performance and cost optimization
- 45:53Closing thoughts and advice
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