The transmission of live audio and visual data is becoming more and more common, especially since the pandemic. Media, live events, corporate offices, and other businesses are choosing to transmit audio and video via network infrastructure to improve the overall consumer experience. This technology is very flexible and provides many new opportunities for businesses when used effectively in broadcasts, webcasting or other events.

Avixa/Infocomm (Extensive catalog of training courses)
https://www.avixa.org/training-section/on-demand-training

Legrand AV (huge variety of AV training)
https://go.bluevolt.com/legrand/s/categorydetail/31457/av-university

NDI (video production over IP)
NDI.tv

Audinate (Dante: Digital Audio Networked Through Ethernet; also now does video)
https://www.audinate.com/learning/training-certification/video-tutorials

US Broadcast Distribution (Vmix, Switchblade, cameras, etc)
https://www.youtube.com/c/USBroadcastDistribution/videos?view=0&sort=dd&flow=grid

Vmix (live production software)
https://www.youtube.com/c/vMixhd/videos

ProPresenter (presentation and production for live events)
https://renewedvision.com/propresenter/tutorials/

PTZ Optics (cameras, joysticks, etc)
https://www.youtube.com/c/Ptzoptics/videos

Vaddio (conferencing cameras, mics, etc)
https://www.youtube.com/user/Vaddio2/videos

Roland Professional AV (video switchers)
https://www.youtube.com/c/Rolandsystemsgroup-gplus/videos

Sony Professional Technical Training Classes (Projectors, cameras, switchers, displays, etc)
https://pro.sony/ue_US/support-services/technical-training

Lumens (cameras, encoders, etc)
https://www.youtube.com/c/MyLumens/videos

Planar (Large format video displays)
https://www.youtube.com/c/planar/videos

Screen Innovations (Projector screens)
https://www.youtube.com/c/screeninnovations/videos

Draper (Projection screens)
https://www.youtube.com/c/draper/videos