QLab Pro 4.5.3

QLab is a streamlined and intuitive Mac OS X application that provides the required tools and features to create complex designs that can bring your audio and video content to life.

Versatile and user-oriented show control

QLab’s user-oriented interface helps you design and handle your multimedia content from within a smooth-running and personalizeable workspace that allows you to manage audio, video, MIDI, OCS and more.

QLab comes with numerous building blocks, also known as “cues”, that can help you design your stunning multimedia performance with just a few mouse clicks. Once you dragged and dropped your files you can start adding commands to fade in and fade out the volume, animate videoclips and apply various video and audio effects.

User-definable scripts and numerous video and audio effects

After getting familiar with the basics, you can step up your game and become a power user by using complex features like scripting, multi-projector edge blending, video corner pinning and audio localization. What is more, you can build multi-computer designs and send commands to multiple QLab systems connected to the same local network.

When you are happy with your Cue List, you can give it a try and hit the “Go” button to preview your show. Thanks to the Warnings panel you can check your list and view all encountered issues.

Support for Blackmagic device input, as well as various types of video surfaces and a host of other similarly powerful tools

QLab comes with support for 48 output and 24 input audio channels, intuitive audio waveform editing, customizable playback rate with pitch adjustment, video and audio faders, animation tools, Matrix mixer, audio and video effects, Syphon integration, keystone correction and corner pinning.

You can also overlay titles, use live video input from various devices, including Blackmagic devices, handle multiple video surfaces, apply fade curves, slice files, use markers and use external video effects.

What’s New

Version 4.5.3:

  • QLab has a new home on the web! Internal links now point to our new website at https://qlab.app
  • Workspace video setting to enable or disable hardware video decoding when available. (In some rare cases, hardware video decoding can actually degrade performance.)
  • Instrument definitions for the following Elation fixtures: Arena Zoom Q7IP, Artiste Monet, Artiste Van Gogh, DW PAR Z19 IP, DTW PAR 300, Fuze Profile, Fuze Profile CW, Fuze Spot, Proteus Maximus, Proteus Smarty Hybrid, Proteus Smarty Max, Proteus Rayzor 760, Rayzor 760, SEVEN Batten 14, SEVEN Batten 42, SEVEN Batten 72, SEVEN PAR 7IP, SEVEN PAR 19IP, SIXPAR 100, SIXPAR 100IP, SIXPAR 200, SIXPAR 200IP, SIXPAR 200WMG, SIXPAR 200WMG HW, SIXPAR 300, SIXPAR 300IP, SIXPAR 300WMG, SIXPAR 300WMG HW, and SIXPAR Z19 IP.
  • Instrument definitions for the following Robe fixtures: BMFL Followspot, BMFL Followspot LT, CycFX 4, CycFX 8, Esprite, iPointe, SilverScan, SuperSpikie, T1 Fresnel, and T1 PC.
  • Instrument definitions for the SGM G-7 Spot and SixPack.
  • An issue that prevented disabling Fade cue audio crosspoint fields once they were enabled.
  • An issue that could prevent the paste operation from working when fancy-pasting audio gangs.
  • An issue that consumed increasing CPU and RAM when toggling LTC timecode input on and off.
  • Timecode triggers can now be turned off without requiring a license to be installed.
  • Errors in the instrument definitions for the Robe MiniPointe and Megapointe.
  • Miscellaneous other small bug fixes.


OS X 10.10 or later, 64-bit processor


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