Friday, July 30, 2010

Subpixel

July 20, 2009 by admin  
Filed under Glossary

A subpixel is an individual primary colour strand used to compose multi-colour images.  Every computer screen and TV uses primary coloured subpixels in different configurations to create hundreds of colour shades.  These subpixels are assembled as blue, green, and red (BGR), and red, green, and blue (RGB) at levels difficult to view with the naked [...]

Additive Primaries

July 2, 2009 by admin  
Filed under Glossary

Additive primaries are combinations of red, blue, and green (primary colours) to create additional colours. The additive primary combinations yield cyan (green and blue), magenta (red and blue), and yellow (green and red). A common application of additive primaries is in desktop printers, which use additive primaries to create dozens of colours in [...]

Grayscale

June 28, 2009 by admin  
Filed under Glossary

Grayscale images are constructed from the arrangement of light and dark gray pixels into the appropriate positions.  Pixel shades in grayscale range from a low level of intensity (black) to an extreme level of intensity (white).  The hard edges and defined elements of grayscale images are created by placing contrasting pixels in adjacent spaces.

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Video Bandwidth

March 18, 2009 by admin  
Filed under Glossary

The term video bandwidth literally refers to a television monitor’s ability to refresh and represent images on the display screen.  The higher the bandwidth on the LCD the better the refresh rate and image quality offered on the LCD TV.  The more bandwidth supplied, the higher the resolution supported on the TV; this minimizes issues [...]

VGA

March 18, 2009 by admin  
Filed under Glossary

The term VGA is an acronym and an abbreviated form of Video Graphics Array.  A VGA is a display system for graphics on personal computers created by IBM.  A VGA display system offered different resolutions; for presenting text mode visuals a resolution of 720×400 pixels is offered.  Graphics use more pixels: a resolution of 640×480 [...]

Tilt

March 18, 2009 by admin  
Filed under Glossary

Tilt is another term used in the movie making business for adjusting a film so that it presents on a widescreen film on a digital display.  When an image is cropped it is sometimes referred to as the tilt and scan or the reverse pan and scan.  The term tilt can also reference an LCD [...]

TFT

March 18, 2009 by admin  
Filed under Glossary

TFT is an acronym which means thin film transistor and is also a reference to an active matrix LCD.  The TFT is created out of amorphous silicon and the latter device is utilized as a switch in order to charge the storage component situated beneath every sub pixel within an active matrix LCD.  A TFT [...]

S-Video

March 18, 2009 by admin  
Filed under Glossary

The latter term literally means super video.  The S-Video is a method for transmitting signals through a cable by separating the information into two distinct signals: one signal sends colour data and the other sends luminance data.  The latter technology proves superior to composite video signal interpretation.

SVGA

March 18, 2009 by admin  
Filed under Glossary

SVGA is an acronym that stands for Super Video Graphics Array. The latter term refers to graphic standards established to present better resolution than regular VGA offerings. SVGA supports 480,000 pixels which equals 800×600 resolution displays.

Response Time

March 18, 2009 by admin  
Filed under Glossary

The latter term, when referencing LCD television sets, indicates the time that passes as a liquid crystal cell is activated to the time that it becomes inactive and back again.  Response times are measured in measurements of milliseconds.  The faster the response time is on a television set the sharper images are and the better [...]

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