QLab Pro 4.6.3

Description of QLab Pro 4.6.3
QLab Pro 4.6.3 makes it simple to create rich multimedia designs for live performances and installations. From Broadway to the West End, in churches, museums, store fronts, concert halls, and theaters around the world, people use QLab to bring their audio and video to life.

Simply powerful show control

QLab allows you to design and operate amazing multimedia performances from your Mac OS X computer. A single QLab workspace can control audio, video, MIDI, OSC, and more.

Amazingly deep, surprisingly easy

Using building blocks called “cues”, you can create sophisticated designs in seconds.
Getting started is as simple as dragging in a file and pressing “GO”. From there, add commands to fade volume, animate videos, or add audio and video effects.
Once you master the basics, become a power user with advanced features like scripting, video corner pinning, multi-projector edge blending, audio localization, or even building multi-computer designs by sending commands to other QLab machines on your local network.

The industry standard.

Battle-tested and used by designers around the world, QLab is the tool of choice in venues large and small.

Audio Effects

You can now apply live audio effects to all your cues: EQ, pitch shift, reverb, and more. Add audio effects to individual cues, across all cue outputs, or on your device outputs.

Dynamic Effects

The powerful new Fade Cue can adjust your audio effect parameters in real time. It can even adjust playback rate, to dynamically speed up or slow down your audio, with or without pitch shifting.

Live Audio Inputs

The new Mic Cue offers up to 24 channels of live audio inputs. Plus all those routing, fading, and audio effects you get on Audio Cues? You get those on Mic Cues too.
What’s New:
Version 4.6.3:


  • An issue where stopping LTC input and starting it at a later time could cause a temporary ‘fast-forward’ effect
  • Fixes a bug that prevented the “Edit Cue Notes” hot key from working correctly
  • Fixes a bug that prevented typing a decimal point in the “Blend gamma” field of the Video Surface Editor
  • A crash that could occur when inspecting a Fade cue that was targeting a Group cue
  • Fixes several crashes that could occur if certain system fonts are not installed
  • An issue that prevented Light cues from resuming if they had been paused during their pre-wait period. (It was particularly easy to encounter this issue when using Light cues in timeline groups.)
  • A bug where cloning an instrument definition would overwrite the old file
  • Improved support for Enttec DMX USB Pro Mk2 devices which do not properly report their identity
  • Additional stability improvements related to corner-case GUI exceptions
  • Changed:

  • OSC messages which address workspaces by name (e.g. “/workspace/the_workspace_name/some_osc_command”) previously needed to exactly match the display name of the workspace, which might or might not include the file extension of the document, depending on macOS settings. Now, using the document name without the file extension will also match, even if the file extension is displayed
  • Instrument definitions for the Rosco I-Cue now include support for the pan/tilt control in the Light Dashboard
  • Added:

  • Instrument definition for the Chroma-Q Moving Mirror
  • Instrument definition for Epson Pro laser projectors
  • Instrument definition for the Panasonic PT-RZ670 projector
  • Compatibility: OS X 10.10 or later, 64-bit processor
    Homepage https://qlab.app/

    Screenshots of QLab Pro 4.6.3

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