Sixteenth HD1080
Encyclopedia
Sixteenth HD1080 is a display resolution
that is the same aspect ratio and one 16th the area of 1080 line high-definition TV resolution.
HD1080
is 1920×1080 pixels, so dividing the resolution by 4 in each axis gives 480×270 pixels. This is a computationally convenient process, as HD1080 content can be scaled down simply by summing blocks of 16 pixels and dividing by 16 (arithmetic shift right 4 bits).
HD720
is 1280×720 pixels, i.e. 2/3 the resolution of HD1080 in each axis. HD720
content thus needs to be scaled by a factor of 3/8 in each axis, producing 3×3 pixels for every 8×8 pixels in. This is not as easy as scaling HD1080 content.
In practice, these displays are made with 272 rows of pixels where it is more convenient to manufacture pixels in multiples of 8×8. It also helps image compression and decompression, which is commonly done on 8×8 or 16×16 blocks of pixels.
s, where they are well suited to showing scaled-down HD1080 content that is the coming standard in media (e.g. Blu-Ray discs).
The PlayStation Portable
uses a 480×272 display, suggesting potential use as a Portable Media Player as well as a games machine.
Microsoft
's Zune HD
uses a 480x272 OLED display to properly scale HD video when it is being displayed on the device.
Display resolution
The display resolution of a digital television or display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by all different factors in cathode ray tube , flat panel or projection...
that is the same aspect ratio and one 16th the area of 1080 line high-definition TV resolution.
HD1080
1080p
1080p is the shorthand identification for a set of HDTV high-definition video modes that are characterized by 1080 horizontal lines of resolution and progressive scan, meaning the image is not interlaced as is the case with the 1080i display standard....
is 1920×1080 pixels, so dividing the resolution by 4 in each axis gives 480×270 pixels. This is a computationally convenient process, as HD1080 content can be scaled down simply by summing blocks of 16 pixels and dividing by 16 (arithmetic shift right 4 bits).
HD720
720p
720p is the shorthand name for 1280x720, a category of High-definition television video modes having a resolution of 1080 or 720p and a progressive scan...
is 1280×720 pixels, i.e. 2/3 the resolution of HD1080 in each axis. HD720
content thus needs to be scaled by a factor of 3/8 in each axis, producing 3×3 pixels for every 8×8 pixels in. This is not as easy as scaling HD1080 content.
In practice, these displays are made with 272 rows of pixels where it is more convenient to manufacture pixels in multiples of 8×8. It also helps image compression and decompression, which is commonly done on 8×8 or 16×16 blocks of pixels.
Applications
Sixteenth HD1080 displays are generally intended for Portable Media PlayerPortable media player
A portable media player or digital audio player, is a consumer electronics device that is capable of storing and playing digital media such as audio, images, video, documents, etc. the data is typically stored on a hard drive, microdrive, or flash memory. In contrast, analog portable audio...
s, where they are well suited to showing scaled-down HD1080 content that is the coming standard in media (e.g. Blu-Ray discs).
The PlayStation Portable
PlayStation Portable
The is a handheld game console manufactured and marketed by Sony Corporation Development of the console was announced during E3 2003, and it was unveiled on , 2004, at a Sony press conference before E3 2004...
uses a 480×272 display, suggesting potential use as a Portable Media Player as well as a games machine.
Microsoft
Microsoft
Microsoft Corporation is an American public multinational corporation headquartered in Redmond, Washington, USA that develops, manufactures, licenses, and supports a wide range of products and services predominantly related to computing through its various product divisions...
's Zune HD
Zune HD
The Zune HD is a portable media player in the Zune product family released on September 15, 2009 by Microsoft. It is a direct competitor with the Apple iPod and iPhone series of mobile devices. It was initially released in 16 and 32 GB capacities. A 64 GB version was released on April 9, 2010...
uses a 480x272 OLED display to properly scale HD video when it is being displayed on the device.