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ROTATION #01 02:42
ROTATION #02 03:46
ROTATION #03 05:29
ROTATION #04 01:43
ROTATION #05 02:54
ROTATION #06 04:46


Rotation is a room installation for six loudspeakers that explores connections and reconciliations between the distribution of sounds in space and the composition of complex sound spectra. This is done in a very concrete way by applying a method which can equally influence the spectrum or the spatialization of electronic signals. A computer uses an electronic waveform to measure the zero-crossings of the amplitude, and the signal is sent to a different audio channel at each zero crossing. Thus, individual vibration cycles of the signals are distributed to six different speakers in the room. At the center of the compositional work is the order of the selected loudspeakers. This order is organized in repetitive sequences of up to 60,000 steps. Relating to the frequency of the original signal, depending on the structure of the sequences, rhythmic figures appear between the loudspeakers, subharmonic sound spectra or complex noise.

Rotation was presented 2016 at Kunstverein am Rosa-Luxemburg-Platz, Berlin as part of the project SINE GREY by painter Silva Reichwein and Martin Lorenz
For further information please have a look at:

Painting on cover:
Silva Reichwein, Derivate (no.7), 2013
Copyright reserved


released October 1, 2016

Recorded by Martin Lorenz at Verein zur Förderung von Kunst und Kultur am Rosa-Luxemburg-Platz e.V., Berlin 2016
Mixed and mastered by willy Strehler at Klangdach, Guntershausen 2016 Produced by Martin Lorenz


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Martin Lorenz Zürich, Switzerland

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