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© Calibre UK Limited Issue 2.00 30 March 2012, W: www.calibreuk.com
T:+44 1274 394125 F: +44 1274 730960 E: techsupport@calibreuk..com 24
3.10. Enhancement
The enhancement menu provide image enhancement functions. Note that the enhancement settings
apply to video input signals only, not computer graphics signals.
3.10.1. Sharpness
Settings: -50 to 50 in steps of 1
Control of the sharpening enhancement filters' levels. These are peaking filters to improve high-
frequency response. Note that setting this control too high on a signal which already has good high
frequency response will cause ringing or ghosting.
3.10.2. Detail
Settings: 0, 1, 2, 3
This filter provides powerful 2D image enhancement which can be used to greatly improve detail
definition and clarity without causing image ringing or ghosting. It improves both horizontal and
vertical detail. Correct setting of the detail enhance filter can make SD signals look virtually
indistinguishable from true HD. At setting 0 the filter is switched off, with setting 3 providing the highest
effect.
3.10.3. Video Filters
The video filters menu provides LTI/CTI filters, TRNR/MNR noise reduction filters and a CCS cross
color suppression filter.
The LTI filter enhances the sharpness of the luminance component. The CTI filter enhances the color
sharpness of the chrominance signal by increasing the steepness of color edges.
TRNR (Temporal Recursive Noise Reduction) and MNR (Mosquito Noise Reduction) are available for
SD input signals only. These filters reduce spatial and temporal noise as well as block artifacts.
CCS is a filter to reduce luminance to chrominance cross talk of composite video signals (only) which
appears as a coarse rainbow pattern or random colors in regions of fine details.
3.10.4. Flicker Filter
The Flicker Filter reduces interlace horizontal line edge bounce or flicker when scan converting from
a computer progressive input format to an interlaced output signal. By choosing the filter strength
and recursion mode it is possible to choose between higher levels of flicker reduction or better
motion reproduction. By default the filters are off.
The Flicker Filter when turned on is applied to the computer input ports DVI and HDMI. It is not
applied to inputs which are video (Composite, S-Video, Component and 3G-SDI) or to interlaced
modes on DVI and HDMI.
Filter Strength controls the filter weighting of prior field versus current field. Recursion chooses
between vertical filtering of current and prior input fields, or current field and recursive data output
from filter during prior field.
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