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How it's made

Source

a clean electronic "send" gesture. A pure sine is swept upward (a rising pitch reads as data leaving the device), then lands on a soft struck-bell note that plays the resolving final tone.

Body

the glide is a sine plus a faint octave-up partial that fades in with pitch (spectral brightening); the landing note is a bell-like sine stack (1 : 2.01 : 3.02) whose upper partials decay 2-3x faster than the fundamental, so the attack is bright and the tail is pure.

Envelope

a 20 ms fade-in, a 0.12-0.4 s curved sweep that ducks as the final note starts near the end of the sweep, then an 8 ms strike and an exponential ring of 0.2-0.9 s; a short fade closes the sound.

Variation

`rng` detunes the landing partials by under 0.1 % and shifts the start pitch by about 1 %; macros set base pitch, glide time, resolving interval, ring and brightness. Presets change the interval and register: bright confirm, soft low, quick short and wide octave landing.

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