Sleep Delta Drone

How it's made

Source

a continuously sustained, softly driven low resonant body; additive sines model smooth displacement without an impact, bow scrape, pitch beating or rhythmic excitation.

Body

an 80 Hz fundamental with a second partial at 0.16-0.48 relative amplitude and a third at 0.04-0.12, modelling rounded, mildly asymmetric vibration without bright upper harmonics.

Layers

independent pink-noise pressure beds, high-passed at 38 Hz and twice low-passed at 170 Hz, sit far below the tonal body; only these diffuse layers spread into stereo, keeping bass centred.

Envelope

a continuous 16 s sinusoidal swell of only +/-0.5-4 percent, never reaching silence; harmonic colour follows the same cycle at half this depth. No transient or repeated attack.

Loop

default and preset carriers complete integer cycles in 16 s, as does the swell. The renderer crossfades the nonperiodic pressure bed at the seam. Output target is a quiet -34 LUFS.

Variation

seeded noise and swell phase; controls set register, harmonic warmth, diffuse pressure, width and shallow movement. Presets offer deep, rounded, higher and diffuse low beds.

Space

dry; no binaural frequency offset, fast pulse or claim of physiological effects.

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