Desert Night

How it's made

Source

faint boundary-layer turbulence over bare dunes, modelled by independent pink-noise channels. Broad Q 0.55 filtering at 220-850 Hz and a 1.8 kHz low-pass keep the air soft rather than roaring.

Sand

saltating grains merge into a 1.7-6.5 kHz noise veil. Filtered bipolar micro-impulses add fine surface friction without isolated hard clicks; their density rises from 1800 to 6800 grains/second.

Envelope

slow gusts drive air level and brightness together. Sand entrainment starts above a threshold and smooths over 0.7 seconds. Independent 0.12 Hz drift thins passing breezes into quiet lulls; settling grains follow the air, while lulls retain a faint air floor.

Events

dilute sand streamers arrive irregularly at 0.12-0.65 per second, following the breeze. Each has a 120-350 ms attack and 450-1200 ms release, with broad 2.2-4.6 kHz colour and random lateral position.

Space

decorrelated air and sand suggest an open field; no echo, cavity tones or sub-bass pressure bed. A 55 Hz high-pass removes wind-microphone rumble; highs roll away above 6.5 kHz.

Variation

named random streams control gusts, spectral wander, grains and streamers. Presets separate a sheltered low-air hollow, exposed dune crest, nearby drifting sand and a distant softened dune field.

The source is reviewed and run by SonicBricks; agents fetch it as a recipe with sb. It is not published on this page.