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Markus Steblei, a ProStationAudio customer from Germany, works for the Planetarium at Forum der Technik in Munich. In this article Markus gives us some highlights about the multimedia activities he is involved with at work.

I work at the Planetarium at Forum der Technik in Munich where I produce shows of all kinds (lasershows, astronomical shows etc.) which I also program by myself. Together with two colleagues and the director of the Planetarium we also do live presentations on actual issues in astronomy. My main project of the last few months was the show "Sonnenfinsternis" about the solar eclipse on Aug-11. In addition, I regularly present our live show "Sternenhimmel aktuell" (Tonight's starry sky in advance).

Our planetarium presents multimedia and laser shows from 10:00 to 23:00 every hour. We do "real" multimedia as we use 86 slide projectors (each equipped with up to 80 slides which can be accessed at any time), six video beamers (each one can show a different video source), our star projector in the middle of the room (shows ~8900 stars in their natural color and can be positioned to show the starry sky of any place on earth at any point of time) and six laser scanners.


In the middle you'll find the star projector which is capable of showing up to 8.900 stars in their natural color. To the left you can see one of the laser-robots which can send laser beams to nearly any point in the dome. In front of the star projector there are some video beamers and in the background (under the Stonehenge panorama) you get an impression of some of the 86 slide projectors which create those all-dome pictures.


Our laser system has 8W of light power with two white light laser tubes and can (through an acousto-optical color modulation unit) create 16.7 millions colors. Accompanied by a sound system with 12.000W of music power we can present amazing multimedia shows to the public. Of course we also have astronomical shows (even live presentations) in our schedule where we present the wonders of the universe.

With ProStationAudio, I created the soundtrack for my new lasershow "Träumen unterm Sternenhimmel" ("Dreaming under the stars"). This was my first sound project ever (before, just the director himself created the soundtracks) and I was very impressed by the ease of use and superb productivity of this software.. I mainly used crossfades and AutoMotion, ProStationAudio's mixing automation system, to bring different sounds to one omogeneous mixdown.

This picture shows a laser scene of the new show "Träumen unterm Stenenhimmel" ("Dreaming under the stars") whose audio tracks were edited with ProStationAudio. Markus Steblei was involved in the creation of nearly all the shows on schedule.


We do our voice recordings directly to DAT, music productions are mainly mastered to CDDA first and then copied to a Tascam DA-88 8-channel digital recording machine which we also use for playback of all of our shows. We use all of the eight channels: 1/2/3/4 for music front left/front right/behind left/behind right, 5 for our center channel (mainly narration), 6 for our 30 underseat speakers (creates special surround effects), 7 for foreign language narration and 8 for time code recording.




The list of equipment used at the Planetarium at Forum der Technik in Munich includes:

  • 6 video beamers, two of them tiltable up to the zenith
  • 86 slide projectors (80 slides each) for "all skies", "panoramas" (both 360 degrees) and normal projections
  • 6 laser scanners (two of them on top of robots to move the picture)
  • 8W laser system (white light with acousto-optical color modulation - 16.8M colors)
  • Fog machines for our laser shows connected directly to the air-condition
  • Star projector for ~8900 stars, milky way, sun, moon and all planets
  • 6 laser disc players
  • 1 CRV player (recordable optical videodisc)
  • 2 Betacam players
  • 1 CD-Changer (18 CD's)
  • 2 DA-88 digital 8-track record/playback machines
  • 2 DAT recorders/players
  • 12.000W music power sound system with 6 separate channels
  • a few dozens of special effect projectors (snow, rain, clouds etc.)
  • interactive voting system connected to every seat



Planetarium im Forum der Technik
Museumsinsel 1
80538 München
Telephone (ticket reservation): +49 89 21125-180
Telephone (Markus' bureau): +49 89 21125-252
Email (Markus' bureau): steblei@fdt.de
Fax (planetarium): +49 89 21125-255
Homepage: http://www.fdt.de




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