SMRTR ProgrammingMar 2, 2026Hacker News

Gapless.js – gapless web audio playback

SMRTR summary

Gapless.js is a JavaScript audio player library that enables seamless transitions between tracks using HTML5 audio and Web Audio API. Built for live music playback, it offers three playback methods including a hybrid approach that starts with HTML5 for instant playback then switches to Web Audio for gapless transitions. The library features a simple API with track management, volume control, and built-in Media Session support.

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