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Delay in connect when screen is being shared by instructor teaching us how to use a program.

New Here ,
Apr 02, 2014 Apr 02, 2014

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Our online class/ school for graphic design uses Adobe connect Everything connection wise is green. When showing screen and trying to teach about adobe photoshop or illustrator. everything is lagged or delayed. Don't see what selections are etc.. whats the deal?

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LEGEND , Apr 03, 2014 Apr 03, 2014

Screen sharing can be the largest demand on bandwidth. Most screen sharing applications have a delay, but you can get it down to almost nothing. The biggest thing you can do to help is to reduce your screen resolution. Sharing a 1920 X 1080 screen image (or larger) is a huge image to share, especially when it is constantly changing. In addition to that, an image that large suffers a bad quality hit when it is reduced to fit in the Share pod on the attendees screens. Try sharing the screen at 128

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LEGEND ,
Apr 03, 2014 Apr 03, 2014

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Screen sharing can be the largest demand on bandwidth. Most screen sharing applications have a delay, but you can get it down to almost nothing. The biggest thing you can do to help is to reduce your screen resolution. Sharing a 1920 X 1080 screen image (or larger) is a huge image to share, especially when it is constantly changing. In addition to that, an image that large suffers a bad quality hit when it is reduced to fit in the Share pod on the attendees screens. Try sharing the screen at 1280 X 960 and see how that changes your experience, both in lag reduction and quality improvement.

Think of it this way. A 1920 X 1080 image has 2,073,600 pixels of information that it must pass to everyone in the room. A 1280 X 960 image has 1,228,800 pixels. That results in a bit more than a 40% reduction in information that has to be transmitted to everyone in the room. With a bit of testing you can find a screen resolution that will give you the quality you want with little to no delay in the screen broadcast.\

You can also reduce the quality of the screen share, though with teaching Photoshop and Illustrator it may not be worth it, by going to Meeting > Preferences > Screen Share. There are four options of varying quality, test them to see which option best optimizes the quality and bandwidth demand.

If you are ever curious about what bandwidth you are using, you can click on the green connection indicator and it will give you your latency and up and down bandwidth demands.

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