1080p

1080p (1920×1080 px; also known as Full HD or FHD and BT.709) is a set of HDTV high-definition video modes characterized by 1,920 pixels displayed across the screen horizontally and 1,080 pixels down the screen vertically; the p stands for progressive scan, i.e. non-interlaced. The term usually assumes a widescreen aspect ratio of 16:9, implying a resolution of 2.1 megapixels. It is often marketed as full HD, to contrast 1080p with 720p resolution screens.Any screen device that advertises 1080p typically refers to the ability to accept 1080p signals in native resolution format, which means there are a true 1920 pixels in width and 1080 pixels in height, and the display is not over-scanning, under-scanning, or reinterpreting the signal to a lower resolution. The HD ready 1080p logo program, by DIGITALEUROPE, requires that certified TV sets support 1080p 24 fps, 1080p 50 fps, and 1080p 60 fps formats, among other requirements, with fps meaning frames per second. For live broadcast applications, a high-definition progressive scan format operating at 1080p at 50 or 60 frames per second is currently being evaluated as a future standard for moving picture acquisition. Although 24 frames per second is used for shooting the movies. EBU has been endorsing 1080p50 as a future-proof production format because it improves resolution and requires no deinterlacing, allows broadcasting of standard 1080i25 and 720p50 signal alongside 1080p50 even in the current infrastructure and is compatible with DCI distribution formats.In practice, 1080p typically refers to a 1920×1080 raster with a 16:9 picture aspect ratio and a 1:1 ('square') pixel aspect ratio. The following is a list other resolutions with a picture height of 1080 lines that are sometimes used in practice.In the United States, 1080p over-the-air are currently being broadcast experimentally using ATSC 3.0 on NBC Affiliate WRAL-TV in North Carolina, with select stations in the US announcing that there will be new ATSC 3.0 technology that will be transmitted with 1080p Broadcast television, such as Fox Affiliate WJW-TV in Cleveland. All other broadcast television stations do not broadcast at 1080p as ATSC 3.0 is currently in experimentation and in test trials while all major broadcast networks use either 720p60 or 1080i60 encoded with MPEG-2. While converting to ATSC 3.0 is voluntary, there is no word when any of the major networks will consider airing at 1080p in the foreseeable future. However, satellite services (e.g., DirecTV, XstreamHD and Dish Network) utilize the 1080p/24-30 format with MPEG-4 AVC/H.264 encoding for pay-per-view movies that are downloaded in advance via satellite or on-demand via broadband. At this time, no pay service channel such as USA, HDNET, etc. nor premium movie channel such as HBO, etc., stream their services live to their distributors (MVPD) in this format because many MVPDs, especially DBS and cable, do not have sufficient bandwidth to provide the format streaming live to their subscribers without negatively impacting their current services.