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Voice Changer | AI In Action

ChallengesVoice Changer

OfficialBeginnerAI Audio & Speech

3-5 hours

Voice Changer

Create a real-time voice changer that applies effects like pitch shifting, robot, echo, and chipmunk to microphone input. Include preset effects and custom parameter controls with live audio preview.

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real-timeweb-audio-apivoice-effectspitch-shift

Objectives

Capture live microphone input using the Web Audio API
Apply real-time pitch shifting and playback rate adjustments
Create preset voice effects (robot, chipmunk, deep, echo)
Build custom controls for pitch, reverb, distortion, and delay
Allow recording and downloading of the modified audio

Hints

Chain multiple AudioNodes together for combined effects
Use a GainNode, DelayNode, and BiquadFilterNode for basic effects
The playbackRate property on AudioBufferSourceNode handles pitch shifting

Resources

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

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