Change parameters to build an exact command. Your agent runs it with sb and gets the WAV.
Command
$ sb get GMPQ482TC1@1 --preset trailer -o braam.wav
How it's made
Source
a brass-section blast imitated with analog-style synthesis: seven band-limited saws spread ±(6–30) cents around a low root (≈ 43 Hz) plus a second stack an octave up, a sine sub an octave below, and breath noise.
Body
a brass "blat": a low-pass whose cutoff swells from ≈ 220 Hz to 1.4–5 kHz in 0.28 s as the lips open, then relaxes to a darker sustain; a peak near 520 Hz gives the horn-bell colour; tanh saturation adds the distorted growl, followed by a gentle low-pass so harmonics stay below alias range.
Envelope
60 ms attack, a hard peak, a 0.5 s settle to the sustain, a long held body and a curved release that lets the low end fade; a 5 Hz pitch wobble grows into the sustain like a tiring embouchure.
Variation
`rng` offsets each saw's detune, phase and drift slightly; presets change root pitch, grit, brightness and length (trailer hit, dark horn, snarling, short stab).
Parameters
Parameter
Range
Default
Unit
Controls
length
1.5 – 5
3.6
s
Length
pitch
32 – 70
43.65
Hz
Root pitch
brightness
0 – 1
0.55
—
Brightness
grit
0 – 1
0.5
—
Growl
detune
0 – 1
0.5
—
Detune
sub
0 – 1
0.6
—
Sub
breath
0 – 1
0.3
—
Breath
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.