🔊 Mike Onslow on Building Voice-Enabled Apps with AI and Getting Back to Your Code

By The Barefoot DevJuly 15, 2025
Mike OnslowVibeCodingAI Voice Tools

At the July 14 VibeCoding meetup, Mike Onslow, CTO of Clarity Voice and co-host of the Artificial Antics podcast, walked us through a passion project that merged voice, AI, and rapid prototyping into one powerful showcase.

His goal?
To build a tool that could read articles aloud, summarize content using AI, and sync audio narration with on-screen text — all built with the curiosity of a weekend hacker and the discipline of an enterprise engineer.


📚 The AI Article Reader

Mike’s project accepted a URL, scraped the content with BeautifulSoup, summarized it using Gemini 2.5 Pro, and then generated spoken narration using 11Labs, complete with:

  • Voice selection

  • Topic tagging

  • Word-by-word sync between text and audio

He used:

  • Cursor and Replit for AI-native development

  • Bubble to redesign and polish the UI

  • Flask, Celery, Redis, and PostgreSQL for backend logic

  • Gemini + 11Labs for summarization and text-to-speech

“I handed the code to Gemini and said, ‘Document this.’ It gave me a full architecture map and reintroduced me to my own app.”


🧠 From Code to Re-Discovery

After stepping away from the project for a month, Mike used AI to regenerate full documentation, including diagrams and a table of contents — enabling him to re-onboard himself without re-reading every line of code.

He emphasized the importance of:

  • Version control for AI-generated projects

  • Building modularly with backup and rollback in mind

  • Learning by iterating, not over-planning

“I’m looking at code less. But I’m directing more. That’s where we’re headed.”


💸 The Cost of Voice

As someone building AI communication tools professionally, Mike gave a grounded warning:

“Text-to-speech and speech-to-text are always the most expensive AI services — even if you self-host.”

He praised 11Labs’ quality but noted it quickly burned through free credits, leading him to explore more cost-effective alternatives for future builds.


🔗 Connect with Mike

Learn more about Mike’s work at Clarity Voice, or tune in to Artificial Antics, where he and his co-host debate the cultural and technical realities of AI in today’s world.

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