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SKRUU. VARISPEED PITCH. PITCHES LOVE ME. INDEPENDENT PITCH & TIME.

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Mac + WindowsVST3 / AUStandalone (Mac)

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“Let go of the pitch or time knob and it bounces like a spring, wandering its way back to where it started… drawing that kind of motion as automation is a real chore, so this is actually really handy.”
“Time-based effects like this tend to sound unnatural at the join when they return to their starting point, but my impression is that SKRUU connects back without much awkwardness.”

makou’s peephole · review, Japan · translated from Japanese

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control pitch and time independently.

speed it up while pitching down
and vice versa

Explore a new dimension in which to stretch and skew your sounds

pitch and time have broken up and are now moving in different directions.
there there, its not your fault buddy. its for the best

Two knobs that do not touch each other. PITCH moves the pitch. TIME moves the length. Speed it up while pitching down, or the other way round. Lock either one and play the other, or run both.

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elastic pitch and time.

for controlled expressions and transitions. control the speed and curve of shifting pitch and time.

The part that makes it playable. With ELASTIC on, the knob is sprung: move it, let go, and it travels back to where it was. RETURN is how long that takes — free, or quantised to the bar. BITE is how hard it commits.

SLOPE is the road it takes home, and there are sixteen: RAMP, GLIDE, SNAP, WHIP, HANG, CREEP, STAIRS, HALVES, RATCHET, DRUNK, LURCH, BOUNCE, WOBBLE, TREMOR, KICK, CLIFF. Six are smooth, five are stepped, five overshoot and come back. Pitch and time each get their own.

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four sampling grades.

hi-fi 31.25 khz
standard 15.62 khz
lo-fi 1 7.81 khz
lo-fi 2 3.91 khz

the display.

A pitch comparator, in semitones. What went in against what came out, with the octaves marked, so how far off the record you are is a picture rather than a number you have to trust. Above it the host's tempo, and whether the transport is locked to it, in time with it, or drifting.

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two finishes.

Black and brushed aluminium. Not one panel at two brightnesses — a component of this kind was sold as one or the other, and they are different objects. The recessed displays stay dark glass in both, because that is what a recessed display is.

how it works.

  • PITCH runs from −20% to +10% in 128 states, and reads out in semitones as well as speed. Unity is marked. Double-click returns to it.
  • TIME runs from −50% to +25%, and moves nothing but the length.
  • PITCH LOCK and TIME LOCK hold one while the other moves.
  • SAMPLING GRADE is the grid the whole thing is transported on: 31.25 kHz, 15.62, 7.81 and 3.91. It is not an EQ preset — the lower grades put a staircase in, and the staircase is the sound. All four record all the time, so the grade can be changed while a note is sounding.
  • RETURN, BITE, SLOPE and GRID belong to the elastic sections.
  • DRAG and MIX are in the tree. DRAG is how long the new speed takes to arrive; at the floor it is instant, turned up it is a hand on the platter.
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formats and compatibility.

On macOS, SKRUU installs as an Audio Unit (AU) and a VST3 plug-in, plus a standalone application. macOS 10.13 or later, universal binary for both Apple Silicon and Intel.

On Windows it is a VST3. Windows 10 or later, 64-bit. It arrives as a zip you drop into your VST3 folder; there is no installer yet.

Zero samples of latency. Any sample rate your session runs at. No internet connection required after activation.

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AUVST3StandalonemacOSWindows

become a gazillionaire.

The complete SKRUU interface, enlarged