All of the lab machines should be able to play sound, but some are better than others (have speakers). If you don't hear anything when you know a video has sound, here are a few things to check.
pavucontrolprogram to check or change your configuration and output device
Unfortunately, not all machines are the same, so I can't tell you exactly how the configuration (using
pavucontrol) should be to get sound to work. Below are some suggestions, depending on which lab machine you are using.
These are the all-in-one HP Z1 workstations. Here's what the "Configuration" and "Output Devices" tabs should be (or at least were, when I got the sound to work).
These are the "under-the-desk" workstations in 240 (in the middle of the lab). Here's what the "Configuration" and "Output Devices" tabs should be (or at least were, when I got the sound to work).
These are the "mini" workstations that attach to the back of the monitors. And these do not have a speaker bar attached. There are some in 240 and some in 238.
These are also the "mini" workstations that attach to the back of the monitors, but these do have a speaker bar. Most of these are in 256.
And these are somewhat picky. I've had the config and output set as shown below, and no sound. Then I unplug and re-plug the speaker bar usb port and headphones port, and the sound magically starts! Also make sure the speaker bar is turned on...
These are also the "tower" workstations in 238, like egg and horseradish.
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