參數(shù)資料
型號(hào)： GM2121
廠商： Electronic Theatre Controls, Inc.
英文描述： SXGA LCD Monitor Controller with Integrated Analog Interface and Dual LVDS Transmitter
中文描述： SXGA液晶顯示器控制器集成模擬接口和雙路LVDS發(fā)送器
文件頁(yè)數(shù)： 30/51頁(yè)
文件大?。?/td> 489K
代理商： GM2121
gm2121 Preliminary Data Sheet
4.6.1 RealColor Flesh tone Adjustment
The human eye is more sensitive to variations of flesh tones than other colors; for example, the user may
not care if the color of grass is modified slightly during image capture and/or display. However, if skin
tones are modified by even a small amount, it is unacceptable. The gm2121 features flesh tone
adjustment capabilities. This feature is not based on lookup tables, but rather a manipulation of
YUV-channel parameters. Flesh tone adjustment is available for all inputs.
C2121-DAT-01F
30
December 2002
http://www.genesis-microchip.com
4.6.2 Color Standardization and sRGB Support
Internet shoppers may be very picky about what color they experience on the display. gm2121
RealColor
TM
digital color controls can be used to make the color response of an LCD monitor compliant
with standard color definitions, such as sRGB. sRGB is a standard for color exchange proposed by
Microsoft and HP (see
www.srgb.com)
. gm2121 RealColor controls can be used to make LCD monitors
sRGB compliant, even if the native response of the LCD panel itself is not.
4.7 High-Quality Scaling
The gm2121 zoom scaler uses an adaptive scaling technique proprietary to Genesis Microchip Inc., and
provides high quality scaling of real time video and graphics images. An input field/frame is scalable in
both the vertical and horizontal dimensions.
Interlaced fields may be spatially de-interlaced by vertically scaling and repositioning the input fields to
align with the output display’s pixel map.
4.7.1 Variable Zoom Scaling
The gm2121 scaling filter can combine its advanced scaling with a pixel-replication type scaling function.
This is useful for improving the sharpness and definition of graphics when scaling at high zoom factors
(such as VGA to SXGA).
4.7.2 Horizontal and Vertical Shrink
The gm2121 provides an arbitrary horizontal and vertical shrink down to (50% + 1 pixel/line) of the
original image size. This allows the gm2121 to capture and display images one VESA standard format
larger than the native display resolution. For example, UXGA may be captured and displayed on an
SXGA panel.
4.8 Bypass Options
The gm2121 has the capability to completely bypass internal processing. In this case, captured input
signals and data are passed, with a small register latency, straight through to the display output.
The gm2121 is also able to bypass the zoom filter.
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