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One key to enhancing picture quality is black reproduction. Panasonic
developed the new Dynamic Iris, with an expanded iris range, and a
new optical block to give the PT-AE900 deeper, richer blacks than
earlier home cinema projectors provided. By substantially expanding
the dynamic range available for expressing images, we achieved a
contrast ratio of 5500:1 along with the brightness of 1,100 lumen.
What's more, new Smooth Screen technology combined with a new
LCD panel allows the projector to reproduce smoother, more natural
looking images.
All this hard work paid off. Today the PT-AE900 is recognized as a
cinema projector suitable for professional video reproduction. It is even
used as a reference monitor on some movie sets.
New advanced technologies deliver the true
New Dynamic Iris realizes world's first* 5500:1 contrast ratio with a brightness of 1,100 lumens
for deeper, richer blacks
New Smooth Screen technology
Other LCD home cinema projectors can suffer from the
“chicken wire effect”—black lines between pixels that mar the
smoothness of the images. New Smooth Screen technology,
developed exclusively by Panasonic, virtually eliminates this
problem by providing the high contrast ratio and other
improvements that complement the new LCD panel of the PT-
AE900. Also, blurriness and flickering have been removed during
vertical panning, giving the PT-AE900 a sharp and detailed high-
definition picture that is remarkably smooth and realistic.
PT-AE900: Smoothly textured images, as
in a movie theatre
Conventional: “chicken wire” effect
PT-AE900
Dark Scene Iris "Close"
PT-AE900PT-AE900
Bright Scene Iris "Open"
Conventional Product
Conventional Product
Cinema Colour Management technology
The colour correction system, Cinema Colour Management
(CCM), was developed to enable free control of colours and has a
proven track record. Previously, it had been difficult to reflect the
colourist’s intentions, because correcting one colour affected
certain others. With CCM technology, individual correction of
approximately 1,070,000,000 colours without affecting other
colours became possible. Colour control usually includes
control of contrast, but CCM technology goes even further and
controls brightness too. Incorporating CCM moves colour
correction closer to the process used for motion pictures.
Rendering deep, rich blacks is essential to faithful video
reproduction. With this in mind, Panasonic added further
refinements to the highly regarded Dynamic Iris with scene-
tracking capability. Using data obtained from frame-by-frame
histogram analysis of brightness, digital image processing
technology controls the lamp power, iris, and gamma curve every
1/60 second, the industry’s fastest. Now the iris range of the new
Dynamic Iris has been extended by about 60% compared to
conventional models. This, combined with histogram analysis
employing algorithms for both brightness and darkness, enables
the PT-AE900 to render bright scenes more brightly and dark
scenes with deeper, richer blacks. Histogram analysis can detect
as many as 3,000,000,000 scene types. At the same time,
Dynamic Gamma boosts the brightness of picture details that
would otherwise be swallowed up in the dark portions. The
contrast ratio has been further increased by an optical system
upgrade that includes a new coating for the prism. The result of
all these improvements is the high contrast ratio of 5500:1 along
with the high brightness of 1,100 lumens. Enjoy the deep, crisp
blacks you've previously only experienced at the cinema.
* For an LCD projector producing 1,100 lumens or more, as of September 2005.