Screen Acoustics UltraHD acoustically transparent fabric.

Using an acoustically transparent screen in your home theater provides a number of advantages. The placement of speakers behind a screen allows the sound to come from its proper place across the picture. A transparent screen also prevents the problems of placing a large reflective surface (a non-transparent screen) in your theater. This prevents sound waves from bouncing back and forth in your room.

The Screen Acoustics UHD is matte white, meaning that light will bounce off the fabric in an uniform manner. This means the fabric is reflecting light in a full 160 degrees angle, allowing the audience to be seated anywhere in the room without experiencing off-axis light-reduction. Also, this type of screen-material does not cause visible artifacts when using active 3D-glasses.

The UltraHD material is sold in rolls allowing up to a 154" diagonal on a 2.35:1 / CineScope formatted screen, and includes attachment-modules that are easily adoptable for DIY-projects where the module is glued either to a DIY wood-stud-frame or an existing, recycled, aluminum frame.

Glued, not tensioned layers

Gluing the layers is a complex process that we finally have mastered in our 5. generation of fabric. Imperfect tensioning, resulting in space between a front, single-reflecting layer and its black backing layer is quite damaging to both image-contrast and sharpness, especially on sharp contrasted-objects such as a starlit sky. Using several reflective layers made it even more crucial to keep the layers perfectly tensioned. On the V5 UHD-fabric, there is no space between any of the layers which in turn creates a sharper and more contrasted reflection than is the case when trying to manually tension the layers of fabrics.

The integrated black backing, in addition to increasing perceived contrast, absorbs excessive light which in case might have reduced sharpness and given "halo" artifacts if light is reflected on a wall behind the screen and back.

Triple layer construction.
This shows the principle of a regular single reflective layer vs. a multiple reflective layer.

Screen material closeups

The Screen Acoustics UHD is located at the top in this comparison to a regular weaved screen.
When light is projected on the surface, only the first layer of the Screen Acoustics UHD (left) reflects visible structure, providing far higher density and thus increased reflected sharpness and resolution compared to the regular woven fabric to the right. Please note that the "speckle" from the Screen Acoustics is made on purpose using a flash, plus increasing contrast in Photoshop to display the structure more clearly. In actuality the fabric has a superb matte surface without any speckle or reflective artifacts.

Super flexible = quick & perfect installation

The Screen Acoustics fabric is made of super-flexible, pre-attached layers, making it easy to tension the fabric perfectly onto even heavily curved frames using the included flexible attachment-profiles.

You can even glue the included attachment-profiles to any wooden or existing aluminum frame if you recycle your current one. If you do want a new frame, however, Screen Acoustics-frames includes fitted tracks.


Color neutrality and D65 compatibility

You always need to calibrate your projector to the specific screen material that is used. There are no actual standards on how a projection-surface should look in terms of reflection other than the fact that it should reflect as much D65-calibrated light as possible throughout the entire greyscale. As such, the screen needs to reflect as close to 6500K as possible and also make certain there are no color-shifts in red, green or blue that would require the calibrator to compensate by reducing the output of the other color-channels to balance the RGB-output.

The Screen Acoustics UHD has been carefully tuned to make certain as much light as possible is maintained from the projector when calibrated to D65.

The gain measures about 0.8 gain compared to a regular non-perforated Stewart Studiotek 100, which is listed at 1.0 gain. Some loss of light-reflection is to be expected on an acoustical transparent screen that is matte white to begin with, and a level of 0.8 is actually very impressive in such regards.


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