12/2/2023 0 Comments Screenflow export black screenSimply enter either the height or width of your video, and it will tell you what the other dimension should be in order to maintain a 16:9 aspect ratio. We’ve provided a simple spreadsheet that does the hard computational work for you. If you’re watching a video- someone’s else’s video on someone else’s website, of course - that has black lines around it, you’ll know that they simply need to adjust the player size to match the aspect ratio of the video itself. The good news? This complex problem of pixels and ratios is actually very easy to solve. In fact, if your player and video are even 1 pixel off in either the height or width, you’ll see black bars around your video. If you play a 4:3 SD video in a 16:9 player, you’re going to have black bars on the sides. All this means is that for every 4 pixels that your video is wide, it is 3 pixels tall. Before the HD revolution, we shot video in Standard Definition (SD) which used a 4:3 aspect ratio. That 16:9 ratio means that for every 16 pixels you go wide, you have to add 9 pixels to your height. HD footage uses a 16:9 aspect ratio - what is known as “widescreen” which also includes resolutions known as 4K, 1080, and 720. In today’s day and age, most video is shot in high definition (HD). The reason you get these black bars is because your player and your video are not the same aspect ratio. Not to mention the huge waste of real estate. But what’s this? Why are there those pesky little black bars either on the top and bottom or the two sides? Nothing screams “I don’t know what I’m doing” like seeing black bars around your video. We’ve all seen it on “other people’s” websites: a beautifully produced video, embedded on a page.
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