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Video Installation

is an interactive audio-visual installation based on video coding using Visual Secret Share System (VSS). It examines the possibilities of video coding on pixel basis. Each pixel of each frame of the 1-bit video is handled separately and coded with VSS, where the result is 2 noises from each frame. To decode the video, coded pixel must match its relevant.

Audio is coded with mechanisms of advanced sound engineering and also divided into two shadows which should be overlapped. To decode, both video and audio they must match accurate.

It's work-in-progress project in co-operation with Jedrzej Rusin aka LazyLab. To be developed to handle color video.

Shadows was exhibited in March 2010 at MuseumsQuartier in Vienna (Austria).


LPM 2010 - Live Performers Meeting
  • 27.05.10 | May 27-30 Brancaleone, Rome


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Technical rider

  • Duration: 10 minutes looped min.
  • Type: Video Installation
• 3 monitors or 3 projectors and white surface to project on (e.g.wall)

• triplehead2go (if applicable, might be that we can bring it you cannot provide)

• 5 electric sockets

• place to hide and lock the computer


Registered by
16 December 2007

  • Poland Kraków
  • Hungary Budapest


Elwira Wojtunik and Popesz Csaba Láng are an internationally renowned Polish-Hungarian duo of multimedia artists working at the intersection of creative computing, design and light-art, creating interactive multimedia installations, wide-format projections, video mappings and scenography projections for theatre and opera.

In their works they use a variety of new media tools, often implementing their own codes, patches and mathematic algorithms.

They have participated in significant international digital media art exhibitions and events around the world, including the MuseumsQuartier in Vienna, the New Media Art Biennale WRO 2011, 2015 in Wroclaw, Akarenga Soko Gallery in Yokohama, Japan, TADAEX in Tehran, in Iran, Pd~Con in New York or ISEA in South Africa.

Re-Kreacja, an interactive mapping installation, is included in the collection of Contemporary Art Gallery Bunkier Sztuki, Krakow, Poland.

Since 2012 they are the organisers of the Patchlab Digital Art Festival in Krakow.

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