Rain¶

A 4 HP stereo rain bed generator: filtered noise with Clouds-style reverb and Mid/Side width. The panel artwork responds to your settings.

Overview¶

Internally, RainGenerator shapes uniform noise with a density gain, runs it through a 0–1 DJ filter (lowpass on the left half of the knob, highpass on the right half, neutral near the center), then through a reverb wet/dry control. RainModule applies Mid/Side width so you can narrow or exaggerate the stereo image before the outputs.

Note

This DSP is not a bit-for-bit clone of any specific Max for Live Rain.amxd; treat it as its own rain-flavored texture engine.

Parameters¶

Density (0 .. 1, default 0.5)

Scales the continuous noise bed (“how thick the rain feels”).

Filter Cutoff (0 .. 1, default 0.5)

DJ-style tone control: lowpass sweep toward the left from center, highpass sweep toward the right.

Reverb (0 .. 1, default 0.2)

Wet/dry for the built-in Clouds-style reverb.

Stereo Width (0 .. 2, default 1)

Mid/Side width applied after the generator: 0 collapses to mono, 1 leaves the natural stereo image, 2 exaggerates the side channel.

CV inputs¶

When a CV jack is patched, its voltage adds to the knob (then clamps):

Density CV, Filter CV, Reverb CV: effective = clamp(knob + CV / 10, 0, 1) (±10 V spans the full 0–1 range).
Width CV: effective = clamp(knob + CV * 0.2, 0, 2) (5 V of CV moves the width by 1.0 unit).

Polyphonic CV uses the first channel only.

Outputs¶

Audio L / Audio R: stereo pair, scaled toward Rack’s ±5 V audio range (× 5 after Mid/Side), each port setChannels(1).

Tips¶

Keep Density moderate and push Reverb for distant-storm beds.
Sweep Filter Cutoff slowly while modulating Density for evolving textures.
Use Width near 0 to fold Rain into a mono send, or above 1 for extra-wide headphones moments.

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