What's New In QLab 3?

General Improvements

Better, faster, stronger.

We have rebuilt the audio and video engines from scratch, and they’re better than ever.

Redesigned interface.

QLab now features a darker interface designed to be easy on the eyes in a dim theater.

OSC control.

QLab can send and receive Open Sound Control commands. Learn about this extensible command language at http://opensoundcontrol.org

Show mode and edit mode.

Safeguard against accidental editing during a show; rather than simply locking a workspace, show mode now hides the inspector and prevents access to all edit features.

Broken cues list.

A new icon now appears in workspaces containing broken cues. Clicking it provides a summary of all broken cues with explanations of why they are broken.

Cue flagging.

Flagged cues appear in the broken cue summary as a convenient tool for keeping track of cues that require further attention.

A graceful way to panic.

Fade out a single cue or all currently playing cues over a user-defined “panic duration”: a new, smoother alternative to a hard stop.

Automatic cue firing.

Select a cue to automatically fire when a workspace is opened.

A smarter wall clock trigger.

The wall clock trigger now includes a day(s) of the week option.



Insert AudioUnits on cues, cue outputs, and device outputs, and target AU parameters using Fade cues.

Mic cues.

A new type of cue allows you to bring in audio from any input on an audio interface and route it like an Audio cue.

Slice, loop, devamp, repeat.

Audio and Video cues are now loopable in user-defined slices for better control over cue looping, allowing you to create more intricate sequences of looping and devamping in a single cue.

Variable rate playback.

Play cues at variable rates ranging from .03 to 33 times the regular rate, with or without pitch shifting.

Playback rate fading.

Control the rate of a playing cue live using a Fade cue.

Negative load to time.

Load to time using a positive value to begin a cue at a designated time from the start of the cue, or use a negative value to begin a cue at a designated time from the end of the cue.

Control buffer size.

QLab can now control the buffer size for any connected audio interface.


On the surface.

Create a surface of any size for video output and assign one or more screens (projectors, LED walls, monitors, or other image displaying devices) to the surface.

Edge blending.

If more than one screen is assigned to a surface, QLab can automatically determine how much they should overlap and blend them to create a single seamless image.

Corner pinning.

Each screen in a surface can be independently perspective-corrected by dragging the corners of the screen to compensate for your projection angle.

Built-in masking.

Mask selected areas of each surface to create irregularly-shaped surfaces. In QLab 3.0, masked out portions are opaque. In QLab 3.1, masked out portions are clear to allow multiple surfaces to be stacked.

Audition window.

Any cue fired while the audition window is showing will play in the audition window rather than through your actual outputs. The audition window can have its own audio patch so you can preview cues in the privacy of your own ears.

Your very own thumbnail image.

The inspector view will display a thumbnail image of a user’s actual video rather than a default image.

Rotate videos in 3D.

3D quaternion rotation guarantees smoother movement than XYZ rotation. You can also rotate around a specific axis if you so desire.

Variable rate playback.

Control the rate of Video cues just like Audio cues.

Go directly to the bottom, do not pass “Go,” do not collect $200.

In addition to sending a cue directly to the top layer, you can now assign a cue to the bottom layer, causing it to be displayed behind other currently playing cues. The most recently fired cue will take precedence.

Relative fades.

Rotate a video to an absolute value or to a value relative to its current state.


QLab Remote.

QLab Remote is an iOS App available in the App Store. In order to be as useful as possible to users, we have given it a small set of features to start and add more continually based on your feedback.

QLab command line controller.

qcmd is an OSC-based command line client for QLab 3 available at http://figure53.com/code/

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