51CTO HarmonyOS Developer Community

Mar 24, 2026 · Mobile Development

HarmonyOS Tutorial: Audio-Driven Wave Ripple Animation with Microphone Input

This HarmonyOS tutorial walks through building a sound-responsive wave ripple animation by capturing microphone amplitude via AudioCapturer, mapping the 0–1 level to a 80–300 pixel radius using a log10 sensitivity curve, animating three staggered circles with opacity fade, and throttling updates to prevent jank.