Specifications

April – June 2002 ExtroNews 13.2 21
can distort an image when video is
de-interlaced. The DMI process delivers the
best aspects of still and motion algorithms
and introduces a new level of image
enhancement capability without loss of
image fidelity. With DMI, the ISM is able to
provide superior image quality.
Outputs can be
scaled using Accu-RATE
Frame Lock (AFL™), a
patented technology
exclusive to Extron
which solves frame rate
conversion issues
experienced when input
and output refresh rates
differ, and cross-over
results in a glitch or
image freeze. This is
most noticeable with
high motion content
such as camera
panning. To solve this
issue, AFL locks the
output frame rate to the
input frame rate.
Triple Action Switching™ provides
RGB delay which blanks the screen when
switching to a new source. The new sync
signals precede the RGB signals, so there is
no glitch shown during the transition.
Time delay between RGB and sync signals
is adjustable up to five seconds.
while switching the signal to the other
display at a higher resolution.
In another instance, there are two
conference rooms with a centralized
control system between them. One room is
equipped with a projector that accepts a
resolution of 1024 x 768 while the other
room has a plasma with a resolution of
852 x 480. The ISM enables the presenter
to not only switch the signal, but to also
scale the signal to match the native
resolution of either display. By adding
networked PCs into each room, the
presenter has the option of utilizing the
ISM’s Ethernet capabilities with customized
Web pages for added control.
Built-in Scalers
The technology behind the ISM can be
found in its built-in scalers. Proprietary
Extron scaling technologies enable the ISM
to optimize higher image quality. 3:2 and
2:2 pulldown detection helps maximize
image detail and sharpness for NTSC or
PAL sources originating from film. 3:2
pulldown detection for NTSC and 2:2 film
detection for PAL is an advanced film mode
processing technique. The ISM Series uses
3:2 pulldown and 2:2 film detection to
match film to video frame rates for
smoother and more properly aligned film-
to-video conversions. In the case of 3:2
pulldown detection for NTSC, it surpasses
basic scan doubling or quadrupling
techniques in optimizing image quality
without introducing motion artifacts.
Dynamic Motion Interpolation
(DMI™) is an advanced detection and
compensation method which results in a
superior level of image enhancement with
no loss of image fidelity. DMI enables the
ISM to measure and compensate for
motion artifacts, such as jaggies, that
FEATURED PRODUCT
In addition to the Extron proprietary
technologies, the ISM’s built-in scalers have
the ability to horizontally and vertically
resize the video image to match a specified
aspect ratio, filling the display, and
improving the overall perception of the
displayed image. Each input includes three
aspect ratio presets, allowing compatibility
with virtually any display format.
Each ISM switcher has ten test patterns
including a crop pattern, cross hatch, 16
bar grayscale, color bars, alternating on/off
pixels, ramp, 4 x 4 cross hatch for use with
video walls, and three aspect ratio patterns
for setting up letter-box DVDs. Test
patterns aide in preliminary picture set-up,
helping to maximize the potential of the
image while minimizing image artifacts
and other noise that occurs during signal
processing.
Taking Control
For control, both the ISM 182 and the
ISM 482 come standard with the
QuickSwitch Front Panel Controller
(QS-FPC™), which allows for touch-of-a-
button input and output selection directly
from the front panel. With the Extron
QuickSwitch technology, there is no need
to conquer a steep learning curve when
mastering the I/O routing control of a
matrix switcher. The intuitive QS-FPC uses
a tactile front panel button for each input
and output. For any routing changes, just
push a button to select or deselect its input
source or output destination.
Without AFL,
image tearing is
present in this
series of images
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5
5
505
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680
580
Placerville
Auburn
Roseville
Sacramento
Healdsburg
Santa Rosa
Vallejo
San Francisco
Oakland
Stockton
Berkley
San Jose
Santa Cruz
Modesto
Sonora
Merced
Gilroy
Salinas
Montery
Los Banos
Madera
Hanfo
South
Lake
Tahoe
101
1
50
70
65
1
152
33
101
120
140
99
99
49
120
5
5
505
280
880
80
5
5
505
280
880
80
680
580
Placerville
Auburn
Roseville
Sacramento
Healdsburg
Santa Rosa
Vallejo
San Francisco
Oakland
Stockton
Berkley
San Jose
Santa Cruz
Modesto
Sonora
Merced
Gilroy
Salinas
Montery
Los Banos
Madera
Hanfo
South
Lake
Tahoe
101
1
50
70
65
1
152
33
101
120
140
99
99
49
120
5
5
505
280
880
80
5
5
505
280
880
80
680
580
Placerville
Auburn
Roseville
Sacramento
Healdsburg
Santa Rosa
Vallejo
San Francisco
Oakland
Stockton
Berkley
San Jose
Santa Cruz
Modesto
Sonora
Merced
Gilroy
Salinas
Montery
Los Banos
Madera
Hanfo
South
Lake
Tahoe
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