Change parameters to build an exact command. Your agent runs it with sb and gets the WAV.
Command
$ sb get EN7YVMZFX2@1 --preset strained-cluster -o rising-tension-drone.wav
How it's made
Source
an imagined bowed string ensemble under increasing tension; continuous friction excites twelve detuned sinusoidal partials, with independent pink-noise bow air on each side.
Body
partial ratios 1, 2, 3, 4, 6 and 8 model the string spectrum; paired pitches differ by 3-12 cents. Broad air bands (Q 0.65) and a 240 Hz opening low-pass model increasing bow pressure and brightness.
Envelope
over the requested duration (default 30 s), pitch climbs 5-19 semitones without resetting. Upper pairs enter with smooth overlapping ramps from 8-78 percent; gain rises from 0.16 to 1.
Modulation
independent 0.07-0.19 Hz amplitude breathing and sub-cent pitch drift avoid frozen tones; beating speeds up as the fundamental rises. The centred low pair preserves weight in mono.
Ending
0.6 s onset and a 0.75 s cosine release remove clicks; there is no impact or pulse sequence.
Variation
seeded phases, bow noise and drift; presets offer low restrained suspense, broad string pressure, airy high ascent, and a close dissonant cluster with stretched upper partials.
Parameters
Parameter
Range
Default
Unit
Controls
root
42 – 110
65
Hz
Starting pitch
rise
5 – 19
12
semitones
Pitch climb
brightness
0 – 1
0.6
—
Final brightness
density
0 – 1
0.65
—
Upper layer weight
air
0 – 1
0.4
—
Bow air
strain
0 – 1
0.25
—
Tuning strain
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.