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Zoom - Reducing your Internet & Bandwidth Footprint (Staff and Students)



Leave video off when you do not need it

For meetings where seeing each other is not that important, turning your camera off is the easiest way to reduce the amount of data going in and out of your computer. You can adjust your settings, so you always join meetings with your camera off, and choose to have attendees' cameras off for meetings you set up.

Turn off HD video (does not apply to Chromebook Devices) 

Providing video in HD resolution requires significantly more data, so consider turning it off when the quality of the image your sending is not critical.

To turn off HD in your Zoom client:

  1. In your desktop Zoom client, click Settings (the gear icon).
  2. Click Video in the left-hand menu.
  3. In the My Video section, uncheck the box beside Enable HD if it is checked.

When you do screen share, only share when necessary

Be sure to stop screen sharing when you no longer need to show your screen. Also, request that other users turn off their screen sharing when they are done with their example.For details about turning screen sharing on and off, see Share Your Screen on the Zoom website.

Use online collaborative documents rather than screen sharing

Services like Google Apps let multiple people open and edit the file at once. These services can use less data than streaming video, while still allowing everyone to see changes as they happen or close to it.

Mute your audio when not speaking

While it does not use as much bandwidth as your video, you can also reduce your bandwidth somewhat by muting your audio when you are not speaking. Use the Mute button in the bottom left corner of the Zoom screen to toggle your audio off and on.

Consider using a phone call to connect to Zoom meeting audio 

Instead of using computer audio within the meeting use your phone to hear the audio. The phone numbers to connect to a Zoom session are usually included in the invitation you receive from the host under the heading "Dial by your location." During your zoom meeting choose the arrow at the right of your mute/unmute button and select "switch to phone audio" and this will give you the option to call zoom and join the zoom meeting audio via from your phone thus saving you data and bandwidth. 

Improving your Zoom performance overall

Limit high-bandwidth activities by others at your location

Other people using the Internet (Home Network or Hotspot) from your remote location will affect the bandwidth available to your Zoom session. Avoid having others stream video or music, play online games, or upload and download large files, as all these activities can noticeably impact your Zoom performance.

  • Closing tabs that are not absolutely necessary during zoom calls.

Closing tabs in your web browser will significantly lower the processor load and help zoom run more effectively.


Avoid running other data-intensive applications during Zoom sessions

Improve your overall Zoom client performance by not running other applications during meetings that might also be using a large share of your bandwidth. Examples of data-intensive programs might include streaming video or music sites, or other websites with dynamic content. You can always check your network usage using Activity Monitor on the Mac or Task Manager in Windows to pinpoint which programs are data hogs. 

How to open Activity Monitor on a Mac:

  • Press Command+Spacebar to get the Spotlight search field.
  • Start typing "Activity Monitor."
  • Select the Activity Monitor when it comes up. This will take you to the Activity monitor application. 




How to open Task Manager on Windows:

  • Press Alt+Ctrl+Delete and then click Task Manager.






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