Change parameters to build an exact command. Your agent runs it with sb and gets the WAV.
Command
$ sb get 1C77B5VR8R@1 --preset warp -o vortex-spin.wav
How it's made
Source
air dragged around a spinning column: two decorrelated pink noise beds (one per ear), high-passed at 140 Hz, plus a faint tonal whirl of resonant air that follows the same rising pitch curve.
Body
a band-pass whose centre moves with the rotation phase (a Doppler-like brightness swing once per turn) on a rising base sweep, followed by two swept notches that make the rotating phasing; a low-pass opens and closes with the "behind the head" half of each turn so the front of the circle sounds brighter.
Envelope
the rotation accelerates from `startRate` to a faster rate in turns per second (a chirp, so the phase is continuous); the level swells to a peak at about 70 % of the length, then falls quickly to silence. Each ear's level follows the sine of the rotation angle, so the sound circles the head.
Variation
length, brightness, acceleration, spin direction, phasing depth and whirl tone; `rng` offsets the start phase and the peak time by a few percent.
Parameters
Parameter
Range
Default
Unit
Controls
length
0.8 – 4
2
s
Length
brightness
0 – 1
0.5
—
Brightness
acceleration
0 – 1
0.6
—
How much faster the end spins than the start
phasing
0 – 1
0.6
—
Phasing
whirl
0 – 1
0.3
—
Whirl tone
direction
-1 – 1
1
—
Negative values spin the other way
startRate
0.5 – 3
1.2
—
Turns per second at the start
seed
int
1
—
Variation, reproducible
The source is reviewed and run by SonicBricks; agents fetch it as a recipe with sb. It is not published on this page.