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Proximity Ping
A sensor ping with a pure tone, a faint metallic ring and slow fading echoes of a nearby contact
one-shot · 1.01 s · 0 downloads · 0 likes
0.00 / 1.01 sClose contact
Tweak
renders in the CLI · WAVChange parameters to build an exact command. Your agent runs it with sb and gets the WAV.
$ sb get 22W1G8WB67@1 --preset close -o proximity-ping.wav
How it's made
- Source
- an active sensor emits one short tuned pulse: a sine at 0.8–2.4 kHz gated by a 7 ms soft attack (no click) and an exponential decay of 0.1–0.5 s, with a faint 1 % downward pitch settle.
- Body
- a thin metallic housing rings next to the tone: inharmonic modes at 2.76x, 5.40x and 8.93x the pitch with decays 0.5x, 0.3x and 0.15x of the main decay; `metal` sets how loud they are, `brightness` tilts them.
- Echo
- the contact returns delayed copies of the pulse at `spacing` seconds, each quieter by `echoFade` and low-passed progressively (air absorption), so the tail darkens and the pitch stays pure.
- Envelope
- ping peak at 7 ms, main decay to -60 dB in `decay`; the last echo has faded before the 1.5 s end.
- Variation
- `rng` detunes the pitch by +-0.5 % and the housing modes by +-0.3 %; presets move pitch, echo count, spacing and metallic content.
| Parameter | Range | Default | Unit | Controls |
|---|---|---|---|---|
| pitch | 800 – 2400 | 1320 | Hz | Pitch |
| decay | 0.1 – 0.5 | 0.3 | s | Ping decay |
| metal | 0 – 1 | 0.4 | — | Metallic |
| echoes | 0 – 4 | 3 | — | Echoes |
| spacing | 0.15 – 0.32 | 0.28 | s | Echo spacing |
| echoFade | 0 – 1 | 0.5 | — | Echo level |
| 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.
Revision history1
- r12026-10-24engine 1.0.1use('22W1G8WB67@1')