Target Lock-On

A targeting system acquiring a lock: accelerating high beeps that settle into a steady tone

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Preset

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Free for commercial use. No attribution needed.

Tweak

renders in the CLI · WAV

Change parameters to build an exact command. Your agent runs it with sb and gets the WAV.

Command

$ sb get 8ZMKREK222@1 -o target-lock-on.wav

Source: an electronic targeting readout. Each beep is a gated sine from a small piezo-style sounder (1.2–4 kHz); the gate has a 3 ms attack and 12 ms release, not a hard switch, so there are no clicks.
Body: the sounder's housing adds a weak 2nd harmonic and a very faint 3rd; a small shell resonance (band-pass at 1.6x pitch, Q 1.5) gives the beeps a plastic, glassy colour without harsh peaks.
Envelope: beeps of 18–45 ms; the gap between them shrinks geometrically from about 0.2 s to 0.05 s (the system closing in), each beep steps up a few percent in pitch and level. After the last beep a lock tone holds steady: 6 ms fade-in, sustain, 90 ms fade-out.
Modulation: the lock tone carries a quiet detuned twin (+0.4 %) that beats slowly for a subtle shimmer, and a faint high-passed air tick at each beep onset suggests relay contact.
Variation: `rng` mistunes the whole sounder by ±1 % and nudges each beep level; parameters set pitch, beep count, start and end gap, lock length and brightness. Presets: a sniper-style fast lock, a deep heavy-weapon lock, a soft cockpit variant and a rapid high acquire.

Parameters
Parameter	Range	Default	Unit	Controls
pitch	1200 – 4000	2600	Hz	Pitch
beeps	4 – 14	8	—	Beeps
startGap	0.1 – 0.35	0.2	s	Start gap
endGap	0.035 – 0.1	0.055	s	End gap
lock	0.2 – 0.9	0.4	s	Lock tone
rise	0 – 1	0.5	—	Pitch rise
brightness	0 – 1	0.5	—	Brightness
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.

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