![]() The software also accepts MIDI signals as triggers for its own cues. QLab allows MIDI signals to be sent as a cue to trigger other devices, such as digital audio consoles. It is useful to note that the speed of the computer processor and video card can affect the quality of video playback. The designer can also select on which video card or cards the video will play. Video files can be altered in real time in QLab, by integrating a Quartz Composer file. The video capability of the software in its most recent version allows a designer to add video files to their cue lists, allowing them to be time aligned with other cues, including audio files. ![]() Audio cues can also be placed into groups, so that multiple files can be triggered at one moment. Once the audio files are inserted into the cue list, the end-user can then manipulate it by looping it, changing the amplitude or volume, and adding fades in or out. QLab allows an end-user or designer to align audio files in a sequential order. The list of available cues in v4 is as follows: When triggered, a cue executes an operation. In QLab, a cue is a marker for an action to take place in the program. As of February, 2023, the most recent version of QLab is 5.1. As with Version 3, a new edition of the QLab book was released called QLab 4: Projects in Video, Audio, and Lighting Control, by Jeromy Hopgood. This new function allowed QLab to function as a lighting console. As with previous versions, this one added many new user functions, including the addition of lighting cues. In 2016, Figure 53 released the newest major version of QLab, version 4.0. 2013 also saw the publication of the first book dedicated to the use of the software, QLab 3 Show Control: Projects for Live Performances & Installations, by Jeromy Hopgood (not affiliated with Figure 53, LLC). 2013 marked the release of QLab Version 3.0, with a wide range of new features, particularly in the realm of audio and video effects, Syphon video, the addition of microphone cues, and integration of OSC capabilities. In January 2009, Version 2.0 was released with a complete visual makeover of the interface and new control features. where as in all other circumstances including when the audio cuts out it visually appears and behaves as if nothing else is wrong.Īny advice in this regard would be great.QLab 1.3.10 was the first version of the software and was released on May 25, 2007. I'm also now rather certain that the USB splitter is working exactly as it aught to, since when I unplug it Qlab kicks back an error and won't play the file. The power saving options prevent the screen from ever sleeping but I'm also noticing the boxes for & are both checked, could those have an impact on Qlab performance? Not sure if that is related to the USB splitter or not. Ok so App nap is disabled, I checked the console messenger & the only recurring thing I keep seeing is "Remote Device Heart-Beat" -> Request. Rather I would like to nail down the exact source of the anomaly. ![]() However as more of a PC user I'm not quite comfortable with making changes to the Terminal hoping it solves the issue. The Qlab documentation seems to support my theory that its some kind of software snafu rather than something technical with our amp setup: Then we have to scramble in the middle of a show to reboot the whole system before the next line is up. A performance will be going along smoothly until suddenly we miss a cue right in the middle of things because the audio decided to play hooky in-between scene's 1 & 2. The scary thing is that this disconnect can seem to happen anytime with no indication that anything is wrong. The only way we've found to fix this problem is restarting the Computer, at witch point the sound cues play over the house speakers with no issue. The sound system and amp set-up are otherwise behaving normally and doing everything else they aught to, but there seems to be some kind of disconnect or lack of communication. Sometimes when we go to trigger audio in Qlab the program behaves normally and says it's playing the audio cue, but no sound is produced by the house speakers. ![]() ![]() We have the computer hooked up to our light board & sound system with a USB splitter and as far as I know the sound files are not stored on an external drive. We're running a show on a new mac-OS Mojave version: 10.14.2 (3 GHz, Intel i5 Processor, 8 GB memory) and Using Qlab version: 4.4.4 ![]()
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