This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Jeff Kaufman
jefftk.com
did:plc:k35xx6alir7rsmwfzh74abnp
My program that lets you whistle to control a synthesizer is now available in the Mac App Store:
https://www.jefftk.com/p/whistle-synth-mac-app
2026-09-02T00:26:35.712Z