Effectsone-shot · 2.94 s
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Cartoon Zip Away
An accelerating rising whistle wrapped in rushing air, cut short as a cartoon character vanishes off screen
one-shot · 0.60 s · 0 downloads · 0 likes
0.00 / 0.60 sdefault
Tweak
renders in the CLI · WAVChange parameters to build an exact command. Your agent runs it with sb and gets the WAV.
$ sb get 9JCGGWEZBR@1 -o cartoon-zip-away.wav
How it's made
- Source
- a stylized blown slide whistle accelerating away, with turbulent air displaced by the body. A sine edge tone, weak second partial and independently seeded breath form the whistle, not a beep.
- Body
- the shrinking effective air column raises pitch from 650 to 3800 Hz with an accelerating curve; breath follows through a Q 4 band-pass. Broad pink-noise air sweeps from 320 to 3900 Hz at Q 0.8.
- Envelope
- 12 ms onset; air swells ahead of the whistle's final climb. The tone vanishes in 18 ms, leaving a soft 35 ms turbulent wake; default active length is 0.50 s plus 0.10 s silence detection.
- Layers
- second harmonic is 23 dB below the fundamental and fades before the highest pitch; air is low-passed at 7.5 kHz and high-passed at 130 Hz. No impact or reverberation follows the disappearance.
- Modulation
- a small 9 Hz breath flutter fades during acceleration; stereo travel moves toward an edge.
- Variation
- seeded tuning varies by 1.5 percent and flutter phase varies; length sets exit speed, scale sets character size, air sets turbulence, and travel sets direction. Presets span tiny, heavy and airy exits.
| Parameter | Range | Default | Unit | Controls |
|---|---|---|---|---|
| length | 0.34 – 0.66 | 0.5 | s | Exit length |
| scale | 0.65 – 1.3 | 1 | — | Pitch scale |
| air | 0 – 1 | 0.55 | — | Air rush |
| travel | -1 – 1 | 0.85 | — | Exit direction |
| 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
- r12026-10-25engine 1.0.1use('9JCGGWEZBR@1')