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Audio Visualizer | AI In Action

ChallengesAudio Visualizer

OfficialBeginnerAI Audio & Speech

3-5 hours

Audio Visualizer

Build an interactive audio visualizer that renders real-time frequency and waveform animations as music plays. Support multiple visualization modes including bars, circles, and particle effects with customizable colors.

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animationcanvasvisualizationweb-audio-api

Objectives

Load and play audio files with a custom player UI
Extract frequency data using the Web Audio AnalyserNode
Render at least three distinct visualization styles on canvas
Allow users to customize colors, sensitivity, and smoothing
Support both file upload and microphone input as audio sources

Hints

Connect your audio source to an AnalyserNode to get frequency data
Use requestAnimationFrame for smooth 60fps rendering
getByteFrequencyData() returns values 0-255 for each frequency bin

Resources

developer.mozilla.org/en-US/docs/Web/API/Web_Audio_API/Visualizations_with_Web_Audio_API
developer.mozilla.org/en-US/docs/Web/API/AnalyserNode

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