Developer builds Beep Locator sound-positioning system with Claude Code
11/11/2026 — 11/11, 16:20·1 sources (all)·1 reports (all)
Key takeaways
- Simon Willison built Beep Locator with Claude Code: five phones, tablets and laptops open a web page that taps their microphones and uses ti…
- the code is open source.
Background & analysis
According to an IT之家 report on 2026-11-11, software developer Simon Willison published a blog post on November 9 describing Beep Locator, a sound-location system he built with the AI coding tool Claude Code. The system can pinpoint a sound source to roughly a 40 cm radius.
AI-generated from 1 reports · updated 2 days ago
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Developer Simon Willison built a sound-locating system called Beep Locator with Claude Code, using five phones, tablets and computers as browser-based microphones and comparing arrival times to pin a sound source to within roughly 40 cm, IT之家 reported. The program uses FFT to pick the target beep out of background noise and lets users mark device positions by hand; it led him to a beeping carbon monoxide detector inside a cardboard box. The code is open source.
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