Binaural beats

Send nearby frequencies to opposite ears and hear their difference.

ready

node examples/binaural-beats.js 200 10 10s
freq=<hz|note>
frequency or note name in the CLI (default: 200)
beat=<hz>
right-ear frequency offset
-d, --duration <time>
run time (CLI accepts s/m/h suffixes; default: 60s)
Graph
2 Oscillators → hard L/R pan → Destination
Input
Carrier, frequency difference
Output
Stereo audio

This is a binaural beats generator: it sends two close frequencies to opposite ears through headphones so you hear the beat produced by their difference, with no health or cognitive effect claimed here. Run it in the browser with headphones on, or generate the same stereo signal from the Node CLI.