v1.6.0

Karplus–Strong

Turn a short noise burst and averaging delay into a plucked string.

npx web-audio-api karplus-strong A4 4s
freq=<hz|note>
frequency or note name in the CLI (default: 220)
decay=<s>
time for the pluck to fade 60 dB
-d, --duration <time>
run time (CLI accepts s/m/h suffixes; default: 30s)
ready

Other examples

23Subtractive synthShape a sawtooth oscillator with a resonant low-pass sweep and ADSR envelope.Create 24Additive synthConstruct square, saw, and triangle timbres from individual harmonics.Create 25FM synthUse one oscillator to modulate another oscillator’s frequency.Create 27Wavetable synthBuild custom Fourier wavetables and crossfade between two oscillators holding different timbres.Create

This is a Karplus-Strong plucked string synthesis example: a short noise burst is fed into an averaging delay loop, and the feedback settles into a naturally decaying string tone. Pluck it in the browser, or render the same ring-buffer algorithm from the Node CLI.