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Static Burst

A hard-edged burst of TV static with a touch of crackle, for channel-change style cuts

kind
one-shot
length
0.38 s
downloads
0
id
FMFBSM77ZH

one-shot · 0.38 s · 0 downloads · 0 likes

0.00 / 0.38 sMP3 preview · Quick cut
Preset
Spectrogram of “Static Burst”, Quick cut preset
Spectrogram of “Static Burst”, Quick cut preset: time left to right, frequency bottom to top.
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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 FMFBSM77ZH@1 --preset cut -o static-burst.wav

How it's made

Source
the untuned receiver of an analogue TV picks up thermal and atmospheric noise: broadband white noise from the tuner front end, plus a thin low-level mains-related buzz from the deflection circuits.
Body
the audio stage band-limits the noise (high-pass ≈ 80 Hz, low-pass 6–14 kHz) and a slow-moving band emphasis around 2–4 kHz makes the hiss shimmer; sparse unipolar impulses (high-passed at 1.5 kHz) add the crackle of static discharge.
Envelope
a channel change is a hard cut: a 2 ms attack, a slightly hotter first 40 ms while the tuner re-locks, a flat sustain with irregular level flutter (about 25 Hz, from lowpassed noise), then a 6 ms release so the cut is abrupt but click-free.
Variation
`rng` varies the crackle pattern, the flutter and the band-emphasis wander; macros set length, brightness, crackle amount and the buzz level; presets span a short clean cut, a standard channel change, a dark far-station hiss and a crackly storm.
Parameters
ParameterRangeDefaultUnitControls
length0.15 – 1.50.5sLength
brightness0 – 10.6—Brightness
crackle0 – 10.4—Crackle
flutter0 – 10.4—Flutter
buzz0 – 10.15—Mains buzz
seedint1—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.

Credits and creation history (JSON)
Revision history1
  1. r12026-10-24engine 1.0.1use('FMFBSM77ZH@1')

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