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Отрасль Museum
Регион Czech Republic
Тип решения
8 Optoma EX785 projectors with short-throw lenses
Подрядчик
AV MEDIA
www.avmedia.cz
Founded in 1992, AV MEDIA is the Czech Republic’s leading projection and audiovisual technology company. Address: AV MEDIA, a.s., Pražská 63, 102 00 Praha 10 Email [email protected] Tel: +420 261 260 218
“We really appreciated the flexibility of the projectors, especially the short throw lenses and lens-shift capabilities. This installation was particularly unusual in that the imagery had to be back projected. Optoma’s EX785 was the only projector that met our parameters both in terms of functionality required and budget.”
Jan Buriánek, AV Media
“We had not initially intended to use both the external sound system and the built-in speakers but it works so well to create atmospheric and directional sound. We are delighted with the results of this very special installation for both its visual impact and impressive sound.”
Jan Buriánek, AV Media

Installation of atmospheric dome runs like clockwork

Задача: To create an atmospheric and emotive space with perfectly blended video imagery within a huge hemispherical dome in the National Technical Museum of Prague
Решение: Eight Optoma EX785 projectors with short-throw lenses were installed to back-project a warped and blended seamless image around the hemispherical dome.
Результаты: The museum is delighted with the installation and is planning additional shows for the dome. It was shortlisted for the Visitor Attraction category in the InAvation Awards at ISE in February 2014.

Задача

The installation had to create an atmospheric and emotive space with perfectly blended imagery within a huge hemispherical dome - 4.6m wide and 3.8m high. The project had an additional challenge in that the imagery had to be back projected due to a large column at the centre of the dome.

Решение

Eight Optoma EX785 projectors with short-throw lenses were installed to back-project around the hemispherical dome.

Each projector was fed by a media player with synchronised video and audio, then warped and blended to form one seamless image around the whole hemispherical dome.

The audio used a directional sound system with the sound focussed upon a specific area within the dome. An external 5.1 system was installed for just sound atmosphere within the dome. This was then complemented by the powerful 10W built-in speakers to create directional sounds (effect sounds) from each of the eight projectors.

Construction and installation took four weeks to complete, with the dome constructed from wood and metal. The main contractor was Mplus with the architectural solution by SGL Architects. AV MEDIA designed the technical AV elements of the project, installing, warping and blending all projectors within one week.

Результаты

This huge dome creates an immersive space for the abstract shows motivated by ‘Phenomenon of Time’.

It currently projects three different audiovisual programs with more shows planned by the museum for the future.

The XGA projectors are very bright (5000 ANSI lumens), filling the whole dome with clear bright imagery. The full lens shift and interchangeable lenses made installation straightforward.

By back-projecting the imagery, the projectors are out of sight to visitors so that the experience is completely immersive. The short throw lens used in the projectors has a throw ratio of 0.8:1 and is ideal for rear-projection installations.

It was shortlisted for the Visitor Attraction category in the InAvation Awards at ISE in February 2014.

Список оборудования

8 Optoma EX785 projectors with short-throw lenses