Building a browser metronome: schedule audio ahead of the UI clock
I'm building Pianory, a browser-based piano learning and practice app. One small feature has a useful implementation lesson: a metronome needs both…
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The Synth Sounded Fine When Nobody Was Listening
This is my entry for DEV's Summer Bug Smash — Smash Stories. There is a specific kind of bug that makes you doubt your own ears. I had a browser-bas…
The Timeline Was Split, but the Audio Wasn't: Fixing Source Offsets in a Browser Video Editor
This is a submission for DEV's Summer Bug Smash: Clear the Lineup powered by Sentry . Project Overview Timeline Studio is a local-first AI video edi…
A Browser Ear-Training Trainer in 350 Lines — Equal-Temperament Frequencies and Three Web Audio Footguns
Reading a music-theory textbook is one way to drill relative pitch recognition. Loading a webpage is another. This is a 350-line ear-training traine…
TIL canvas.captureStream() is video-only — here's how I mixed voiceover + music into a MediaRecorder export" published: true
TL;DR — canvas.captureStream() only carries video tracks. To get audio into your MediaRecorder export you need to build an AudioContext graph that l…