Therefore, it is necessary to change video resolution to avoid the black bars. However, in fact, to get a better viewing experience, you need to consider the video resolution as well as the aspect ratio.įor instance, if you put a 720p (1280 x 720 pixels) video in an iPhone 6 Plus, you might find there are some black bars. Reading here you might think that the higher the resolution the better. The most popular standard resolutions are 640 x 360 and 640 × 480 for video, and 720 × 480 and 720 × 576 for DVD. Most television channels broadcast at this resolution. It is suitable for HDTV high definition video with a widescreen aspect ratio of 16:9.ħ20p is usually known as HD or HD Ready resolution. It is usually known as FHD or Full HD resolution. 1440p is four times the resolution of 720p HD or HD ready. Typically, you can see it on gaming monitors and on high-end smartphones. 4K resolution mainly exists in the digital television and cinematography industry.ġ440p is commonly known as QHD or Quad HD resolution. 2160p offers four times the resolution of 1080p. However, right now, you can only see 8K on expensive TVs like Samsung and LG.Ģ160p, a very large display resolution, is commonly known as 4K or UHD (Ultra-High Definition) resolution. It offers 16 times more pixels than the regular 1080p FHD or Full HD resolution. Common Types of Video Resolutionsħ680x4320 pixels is known as 8K or 4320p. For example, 1024 × 768 means this video has 768 lines that are each 1024 pixels wide. Video resolution is usually expressed as width × height, with the value given in pixels.

Resolution refers to the number of distinct pixels each dimension can display.

Convert x to hd