Birdstexture · 10 s
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Small birds chirping
Sparrows and tits calling now and then in the woods, short and clear, answering one another
texture · 10 s · 0 downloads · 0 likes
0.00 / 10 sSparrow in the grass
Tweak
renders in the CLI · WAVChange parameters to build an exact command. Your agent runs it with sb and gets the WAV.
$ sb get 449EQAXJWT@1 --preset 斥鴳 -o small-birds-chirping.wav
How it's made
- Source
- a small songbird's syrinx sings a nearly pure, fast frequency-modulated whistle (2–8 kHz) with weak 2nd/3rd harmonics; sparrows are a little raspier (fast amplitude roughness), tits cleaner and thinner.
- Resonance
- none to speak of (the beak and throat track the fundamental); a faint band of breath noise follows the pitch so the tone is not a lab sine.
- Modulation
- every note is a short sweep (chip = falling, chirrup = up-then-down chevron, seep = thin high whistle, "tsee-cha" = high-low pair, trill = rapid chips); pitch, length and level vary note to note.
- Events
- Poisson calls shared by a few individuals; each call is a phrase of 1–8 notes (more and faster when excited); another bird answers some calls a moment after they end. Birds hop about, so their place drifts.
- Layers
- birds (each with its own pitch, repertoire, distance and place), faint grass rustle when hopping.
| Parameter | Range | Default | Unit | Controls |
|---|---|---|---|---|
| density | 0 – 1 | 0.4 | — | Density |
| pitch | 2000 – 6500 | 4000 | Hz | Pitch |
| count | 1 – 8 | 4 | — | Birds |
| chatter | 0 – 1 | 0.3 | — | Chatter |
| answer | 0 – 1 | 0.5 | — | Answering |
| distance | 0 – 1 | 0.5 | — | Distance |
| movement | 0 – 1 | 0.3 | — | Movement |
| hops | 0 – 1 | 0 | — | Grass rustle |
| width | 0 – 1 | 0.85 | — | Width |
| 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('449EQAXJWT@1')