Opus Sounds Directory
Logo stings

Dark cinematic logo reveal

Logo stings · 2026-10-06

Related guide: Horror and Tension Sound Effects: Heartbeats, Braams and Silence

Claude Opus 5.5

Slow tempoDark
New
Space
CC0

Prompt

A 4-second ominous logo reveal centred on low D. On frame 0 a dull low knock opens a mono sub rumble on D1 that slowly swells, while a metallic scrape (stick-slip friction exciting an inharmonic resonator bank, sliding across the stereo field) grinds and squeals above it, with a second, harder scrape taking over at 1.0 s. From 1.05 s a reverse cymbal pulls the air in, rising to a sharp stop 45 ms before the hit and leaving a short vacuum. On frame 75 (2.5 s) a massive low brass-like braam lands: a D minor stack (D1 D2 A2 D3 F3 A3) of detuned band-limited saws whose resonant low-pass snaps open and slowly closes, with a pitch bend up into the note, a sub knock and a short crack on the attack. A long, dark hall tail then rolls the braam down to silence. Only the sub, the knocks and the braam's low partials sit below 120 Hz, and they are mono.

Metrics

Integrated LUFS
-13.6 LUFS
True peak
-6.6 dBTP
Length
4s · 192,000 samples @ 48000 Hz
Target master
-14 LUFS · peak ≤ -1 dBTP
Checks
Passed

Spectrogram

Spectrogram of Dark cinematic logo reveal, a free logo sting at 4s

Generated code

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Timing & cues

30 fps · seed 620075

  • Frame 0: rumble in
  • Frame 75: reveal hit

Stems: mono D1 sub rumble + low knock on frame 0, stick-slip metal scrapes through an inharmonic resonator bank (two passes, panned sweeps), reverse cymbal into a 45 ms vacuum (intro hall ducked out), then an additive band-limited braam (D minor stack, 3 detuned saws per note, analytic resonant LP swell, pitch scoop) with sub knock + crack on frame 75 and a 3 s dark hall tail. Side high-passed at 250 Hz (8th order); 60 ms-release true-peak limiter; no flags.

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