eLEARNING DEVELOPMENT: Dude, Watch Your Aspect. Ratio!
The Logical Blog by IconLogic
MAY 19, 2020
For that reason, I think the eLearning canvas should be set up to use a 16:9 aspect ratio as opposed to 4:3. The aspect ratio of an eLearning canvas designed to be viewed on its side, or in landscape mode, is the ratio of its longer side to its shorter side.