Aspect ratio – This setting expands the desktop as much as possible while maintaining the same dimensional proportions, or aspect ratio, as the original image. There may be some black borders, but you may prefer this setting to avoid distorting the image. Aspect ratio is primarily dictated by the size of your camera's sensor, taken from the width and height of an image (W:H). For instance, if your camera sensor is 36mm wide and 24mm high, its aspect ratio would be 3:2 (not 36mm x 24mm). Understanding the potential target aspect ratios of the experience within Windows Media Center is very important to an elegant UI. For example, an application should be aware of and take advantage of the additional space available to represent content on a widescreen (16:9) display when using a horizontal gallery compared to standard (4:3). How to change aspect ratio of videos to obtain better video display on devices? This article will recommend you the simplest way to adjust the ratio with three steps and make sure the greatest playing effect on portable device, TV, computer, tablet, etc. Free download the best aspect ratio changer here to do your job now.