v1.6.0

Auditory streaming

Alternate two tones and let tempo and pitch distance decide whether they fuse into one stream or split into two.

npx web-audio-api streaming 240 4 15s
tempo=<bpm>
note tempo
interval=<semitones>
pitch interval between high and low tone
-d, --duration <time>
run time (CLI accepts s/m/h suffixes; default: 15s)
ready

Other examples

11Shepard toneLayer octave-spaced voices to create a pitch that appears to rise or fall forever.Explore 12Risset rhythmLayer tempo cycles to create a beat that appears to accelerate or decelerate forever.Explore 13Binaural beatsSend nearby frequencies to opposite ears and hear their difference.Explore 14Missing fundamentalPlay harmonics 2–6 while omitting the pitch the listener still perceives.Explore

This is an auditory streaming demo, illustrating Van Noorden-style stream segregation: two alternating tones fuse into one stream or split into two depending on their tempo and pitch distance. Adjust the tempo and interval in the browser, or render the stepped-frequency signal from the Node CLI.