It’s not uncommon, particularly on computer systems that are moved around for the cable to pop out a few millimetres, and it can look like it’s connected but isn’t properly inserted. Make sure the sound card is connected to your computer, and that the cable is fully inserted. It’s ridiculous that this step often fixes 90% of problems! The first step to try whenever there is a problem is to shutdown your computer, turn the power off to the computer and any other devices attached to it, and turn it back on. Relatively simple shows might connect using the headphone output socket of the computer. There are also some forms of “virtual” sound card, such as Dante Virtual Soundcard (DVS), where there isn’t a separate hardware device, but your computer is connected to the sound system using an Ethernet cable. Sound cards (aka audio interfaces) are typically a separate hardware device that are connected to your computer using a USB, Firewire or Thunderbolt cable. Instrument definitions for the following ETC instruments have been updated both to correct errors and to support new features: ColorSource PAR, Selador Vivid Lustr, Selador Vivid Paletta, Selador Vivid-R, Source Four LED Series 1 Lustr+, Source Four Series 1 Studio HD, Source Four LED Series 2 Lustr, Source Four LED Series 2 Daylight HD, and Source Four LED Series 2 Tungsten HD.The “This cue does not have a valid audio output device” or “No audio device” error message indicates to us that QLab can’t find the sound card / audio interface that it was using to send sound out of the computer to the sound system.A crash that could occur when drawing audio waveforms in the Timeline tab.A workspace with a Network patch set to use a specific network interface no longer appears to be set to “Automatic” when opened on another machine that does not have the same network interface name.Scrolling now works in the UDP message text field of the Network cue inspector.Opening certain kinds of workspaces with certain kinds of light submasters was extremely slow.The revert, undo, and redo functionality of the Light dashboard, which were broken in 4.5.Dragging a slider in the color picker of the Text cue inspector is now smoother.Dragging Video, Text, and Camera cue surfaces in the Display & Geometry tab creates one undo item per complete drag and drop.A cosmetic issue related to clicking-and-dragging on audio level fields.The audio levels matrix now shows the correct number of decimal places on all versions of macOS. ![]() An issue that could cause video playback to drop frames momentarily while generating thumbnail images for the inspector for other Video cues. ![]()
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