Change parameters to build an exact command. Your agent runs it with sb and gets the WAV.
Command
$ sb get A03DABWHNW@1 --preset tome -o book-close-thud.wav
How it's made
Source
a hardcover compresses its paper block; a 3-10 ms filtered noise contact drives the boards.
Body
broad, strongly damped board modes at roughly 115, 193, 326 and 510 Hz, T60 55-190 ms. A 65-170 Hz noise cushion adds flat mass without a pitched sub-bass or a hollow drum ring.
Air
squeezed air rises over 12 ms, then darkens from 2.8 kHz to 650 Hz within 160 ms.
Pages
5-10 overlapping band-limited noise flaps start at contact, lose brightness and strength, and spread apart over 0.35-0.56 s as the last free leaves settle against the closed covers.
Envelope
contact at 18 ms after a brief air lead; body dies first, paper finishes by 650 ms; a smooth final fade reaches zero at 700 ms, leaving a clean tail within the 800 ms render.
Variation
seed jitters mode tuning, flap timing, colour and strength. Mass lowers board modes; firmness shortens and brightens contact; loose pages extends flutter; air controls the squeeze. Presets cover a heavy tome, a tight sharp closure, loose old leaves and a padded cloth binding.
Parameters
Parameter
Range
Default
Unit
Controls
mass
0 – 1
0.75
—
Book mass
firmness
0 – 1
0.6
—
Cover firmness
pages
0 – 1
0.55
—
Loose pages
air
0 – 1
0.5
—
Air squeeze
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.