Shock boom

A 1.5-second heavy "shock" boom for reaction cuts and zoom-ins: exactly 72,000 samples at 48 kHz stereo, 30 fps, and the hit lands on sample 0 (frame 0) with no pre-roll. Layers: (1) a mono sub thump, a sine falling from ~110 Hz to ~42 Hz in 120 ms, soft tanh drive and an 84 Hz second harmonic so it still reads on phone speakers; (2) a dull metallic body of six inharmonic modes (~95 Hz x 1, 1.59, 2.14, 2.65, 3.17, 3.89) decaying in 0.3-0.6 s; (3) a 4 ms noise click on the attack; (4) a wide, dark hall tail (~1.1 s, low-passed at 3 kHz) that gives the "boom... oom" echo. Loudest in the first 80 ms; true silence by 1.45 s. Only the sub sits below 120 Hz, mono. Original sound, not modelled on any specific recording (never sample, trace or recreate any existing meme recording).

Take angle 1 (faithful): implement the brief exactly as written; polish the balance between sub, metal body and hall.

Metrics

Integrated LUFS

-14.02 LUFS

True peak

-1.4 dBTP

Length

1.5s · 72,000 samples @ 48000 Hz

Target master

-14 LUFS · peak ≤ -1 dBTP

Checks

Passed

Spectrogram

Generated code

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