Monophonic Synth - Online Play with Oscillator & Envelope
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
UD5 Toolkit
Play a simple monophonic synthesizer with your keyboard. Choose waveform, attack, decay, and filter. For music fun.
Apply lowpass, highpass, and reverb to an audio source. See frequency response. Create your own guitar pedal. All local.
Route your microphone input through a chain of virtual effects (distortion, reverb, delay) using Web Audio API.
Process audio faster than real‑time with OfflineAudioContext. Apply filters and export the result. Dev tool.
Connect an audio source to an Analyzer Node and display frequency and time‑domain data. Learn Web Audio visualization.
Connect oscillators, gain nodes, and filters with a visual graph. Hear the result in real time. Learn Web Audio interactively.