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Played on LEDs: LUCE. The Sound of Colors
Press release from 25.02.2009 )
Jena, Germany, February 25, 2009 – When the Russian composer Alexander Scriabin composed his "Prometheus" symphony nearly 100 years ago, he also developed a color piano that was to convert music into colors, creating a visual extension to the listening experience. However, during the lifetime of the composer (1872–1915), there were not the technological possibilities available to wholly implement this vision he had of converting music into color. Thanks to state-of-the-art color sensors today, it is now possible to stimulate all the senses of the audience.
Played on LEDs: LUCE. The Sound of Colors
State-of-the-art Color Sensor Technology from MAZeT Permits a New Dimension To Be Achieved When Transforming Music into Colors

The “LUCE. The Sound of Colors" project offered impressive proof of this in December 2008. rosalie, a light artist from Stuttgart, Germany, placed 170 balloons in the booked-out concert hall of the Jena Volkshaus. These balloons provided a backdrop of light for the Philharmonic concert. The artist had transformed and programmed the musical pieces into a color composition that was then played along with the music. The balloons had different sizes—ranging from half a meter up to two and half meters in diameter—and were specially equipped with an LED and a color sensor. The color sensors developed by MAZeT and manufactured by Jenoptik ensured that every color that belonged to a note was always perceived in the same way, and more precisely, regardless of the ambient brightness. Only then can the fine nuances of the notes be transformed into differentiated shades of color.

Color sensors ensure consistent colors for the LEDs


As the main sponsors for this spectacular transformation of music into color, MAZeT and Jenoptik were extremely happy about the glowing success and the positive feedback they received about the project—a project that links science, technology, and art in a very unique way. The technology, which is otherwise used in lighting, multimedia, industrial applications as well as analytical techniques, was brought into a completely new context. Through its use in the arts, its wide range of applications and the potential for innovation were clearly underscored. “Using artistic resources, the LUCE project demonstrated state-of-the-art lighting technologies, which in just a few years will be seen in many day-to-day applications. The MAZeT sponsorship of the LUCE project should communicate the beauty and emotion of technology and spark an interest in youths to embark on a technically-oriented career,” explains Dr. Fred Grunert, Managing Director of MAZeT GmbH.

Using innovative technology, the state-of-the-art JENCOLOR color sensors are of course not only suitable for artistic applications. They identify and measure the properties of surface colors or active light sources and distinguish themselves as a result of their compact design, long life, and low cost of manufacturing. They can be used in a wide range of industrial applications and everyday needs. The quality of many processes and substances can be evaluated using color, such as foodstuffs and printed products. The color sensitivity of the sensors corresponds to that of the human eye.

Defying the aging process


In conjunction with optics and sensors, RGB LEDs open up completely new dimensions in lighting applications: Color, brilliance, and light distribution can be created, almost as if there were no limits. Among other things, the color sensors are used in lighting systems that automatically adapt themselves to the ambient brightness. They are also used to compensate the aging effects of LEDs. This is difficult to compensate as such an aging process is dependent on many different parameters.
   
The compensating mechanisms currently in existence only influence predictable effects and are not very flexible. The True Color sensors are used to automatically regulate these parameters. They therefore ensure color and brightness stability so that when individual devices are replaced, aging LEDs and temperature differences do not result in visible and unattractive color or brightness deviations. In this manner it is possible to achieve lasting homogeneous and brilliant illumination under the widest range of environmental conditions.

The possibility of controlling the spectral density of the light has proven to be useful when emulating standard light sources or enhancing contrast. For instance, room lighting can be optimized by measuring the spectral characteristics of the light. In addition, the performance of the color sensors is stable against aging, the effects of temperature, and mechanical stress. The compact design and low cost of manufacturing open up an especially wide range of applications. Depending on the application and customer-specific requirements, sensors can be manufactured with spectral characteristics that are specifically tailored to the particular application.

MAZeT and Jenoptik are working together closely in the production and marketing of the new color sensors. MAZeT GmbH can tap the production experience and technological network of Jenoptik when it comes to producing the optics, using either glass or plastic, as well as in the production of optoelectronic modules.

Links:
http://de.youtube.com/watch?v=U3pHai_9V48
http://de.youtube.com/watch?v=ouLHMxE69d0
http://de.youtube.com/watch?v=FBiF9qqjcXQ&feature=related

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