3/21/2024 0 Comments Midistroke windows![]() The first step is to make sure the knobs are using relative values. Simple example mapping a pad to the Save shortcut Using Knobs Then select the “Type a Keystroke” action and type whatever keystroke you want the MIDI event to trigger. This will monitor your MIDI device and automatically define the note value based on whatever pad you press or knob you turn. Select the MIDI trigger and then check the “Allow Recording” button. In Keyboard Maestro you define a Trigger and then assign Actions to it. Now I’ll explain how to use Keyboard Maestro and knobs. MIDI configuration app for my MIDI controllerįor the basic concept and mechanics of routing MIDI notes I recommend reading Chris Gain’s post. You may or may not need to use this depending on your controller. Your MIDI controller likely comes with a program that lets you configure the signals that each knob, pad, and key send. It has a lot of options for parsing MIDI events, a lot of actions to route the events to, decent documentation, and a user-friendly UI. The best tool I found was Keyboard Maestro. Another tool called Bome MIDI Translator Pro was recommended in various forum posts but I found it too complicated and painful on the eyes. There’s a free tool called midiStroke but it’s very limited in what it can do. The main thing we need in addition to a MIDI controller is a program to receive the MIDI events and convert them to keyboard shortcuts and other application actions. Using a simple up/down mapping to control fields that respond to up/down arrows Making it Work Knobs can also be used to control any property in sketch that responds to up/down arrows, such as HSL values or opacity (there’s one catch to this, explained later). Examples are font size, nudging, scaling, and rotation. In a design tool like Sketch we can use knobs to control scalar and incremental properties that are accessible via shortcuts or the menu bar. If you’ve ever used knobs on a synthesizer or used MIDI knobs for audio editing, you know that it’s a completely different experience than punching in numbers or manipulating virtual dials on the screen. ![]() Although there’s probably an ergonomic benefit in giving the fingers alternatives to frequently used shortcuts or complex finger-stretching shortcuts (e.g., the ⌘⌃⇧-4 screenshot, aka The Claw).Ī simple controller with just pads and knobs Knobs Velocity aside, pads are pretty simple and may not offer a lot of benefit over standard keyboard shortcuts. I created a mapping that inserts a length of lorem ipsum text based on how hard the pad is tapped. A light tap on a pad could be assigned to Copy and a hard tap on the same pad assigned to Paste. They can also be used to trigger snippets and AppleScript.Ī cool feature of pads is that they record how hard the pad was struck (a property called velocity) and we can use this when mapping the signal to a shortcut. Pads can be used to trigger any keyboard shortcut in Sketch-Copy, Paste, Group, Ungroup, Export, etc-and they can be used to trigger menu items that don’t have keyboard shortcuts. In this post I’m going to talk about using pads and knobs. There’s the familiar piano keyboard but they can also have pads (pressure-sensitive buttons), knobs, wheels, faders (sliders), and other stuff. MIDI controllers have a variety of sensors. Standard MIDI controller with keyboard, pads, knobs, wheels, and other buttons This means any controller can be used as a general-purpose input device by mapping these events to keyboard shortcuts or other application actions. The device itself doesn’t generate sound, it just sends on/off events to the computer when the keys are pressed. If you’re familiar with MIDI you can skip this section but for everyone else: a MIDI controller is a device, like a musical keyboard, that you plug into your computer to play music.
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