Zoom nicely turned on HD for our account.
Assuming I have it turned on in our settings, what happens if during a webinar an HD connection is not supported by our bandwidth that night? Can I actually turn off the HD and revert to SD in the middle of a webinar?
Thank you!
Ray,
This needs to be a sticky. It is full of info that answers SO many questions for me.
This is gold:
"You do not need a 1920x1080 image to fill a 256x144 pixel space. Zoom does do its best to conserve bandwidth while preserving the display quality as much as possible."
One stupid question: when you move the slider to make your image bigger during screen share, do webinar attendees actually SEE the larger images? I need to see this for myself I think. So many times I have wished that the presenter video could be larger during screenshare so that the attendees don't have to see that tiny little presenter video rectangle.
Again, thank you so very, very much!
Each attendee has control of their own slider bar. Any movement you make on your computer does not affect anyone else's computer. I usually try to briefly explain to a crowd that might not have much Webinar experience that "you can slide the vertical bar back and forth to adjust the relative size of the shared screen and speaker videos".
But try it next time in any Meeting or Webinar where screen sharing is in progress. Change the View settings from standard, side-by-side: Speaker, and side-by-side: Gallery. With Standard, you get the floating camera videos, which you can drag around the screen wherever you like, to get them out of the way of something you want to see on the shared screen. With either of the Side-By-Side modes, you can move the vertical bar and should see that the image sizes are very responsive. If you look carefully, you might notice when expanding the sizes that the image resolution doesn't look very good... that's because it does take some time for your machine to convey the new image resolution request to the Zoom server, which has to relay it to all of the sending camera feeds (but not to anyone with camera off, of course), and then those devices have to "scale up" their outgoing feeds to match the request (unless, of course, someone else has already expanded their speaker cameras, in which case the camera feeds are already stepped up, and the Zoom server just has to be told "send LibraryCat this new image resolution").
One small note: I'm not a Zoom employee, and don't actually know for a fact anything I've said here today! But I have a rigorous software testing background (aviation flight controllers, engine controllers, and cabin pressure systems, plus field artillery tactical systems). If Zoom isn't doing it the way I've described... it's magical nonetheless!
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