Voice-to-text Live Transcription on Kubuntu

(I’m running Kubuntu 24.04 with Plasma 5.27.12 and X11.) Here’s the situation. I’ve been told by my university administration that, within the next year, if I’m using a presentation (e.g., LibreOffice Impress) in my classes, I will have to have a voice-to-text option showing what I say as I talk to comply with federal requirements. […]