Audio Preview Issue in Storyline (Windows 11, x64)

Over the last couple of days I've had an issue that persists across old and new files, new and old software versions, reboots, and full uninstall/reinstall processes. When previewing audio in the AI Text-to-Speech and Media Library windows, no audio is actually played. Audio already in a slide will play fine. I can even generate an AI audio clip and insert it into the slide and it will play there, but it won't play the preview in the AI window. Adding audio to the Media Library and trying to play it there also does not work. Even the previews for the voice models don't play back. The play button will change to a pause button but nothing plays. In generated audio previews and media library previews, the time bar doesn't even show up when hitting play. The play button changes and literally nothing else. Not even a read out of how long the clip is. I haven't tried it in the subtitle editor yet, but I'd imagine audio doesn't work there either. Audio in all other apps works as expected and across all outputs I can use (built-in to laptop, built-in to external monitors, bluetooth audio). Has anyone run into a similar issue and found a fix? I filed a ticket with support yesterday but have yet to hear back and the chatbot didn't have anything to add beyond asking to file a support ticket. I can prepare a screen recording if anyone needs more context.