A browser-based piano learning application has revealed a technique for creating a reliable metronome that avoids timing inaccuracies. The solution involves scheduling audio clicks slightly ahead of the JavaScript clock using the Web Audio API, compensating for potential delays caused by main thread activity. This approach is valuable for developers needing precise timing in web applications, particularly those involving audio or interactive elements, as it highlights a practical workaround for browser limitations. Future development might explore output-latency-aware mapping for even tighter audio-visual synchronization.
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