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RTX - Radio Towers Xchange  

rtx: contributions
artists and live streams     print
BRUSSELS - stream, provided by OKNO)
-Annemie Maes (so-on.be) will mesh an audio network of remote-sensing earth-spotting on micro/macro level.
The intimate sounds of a micro biosphere will influence and modify a satellite trip around the world on the speed of Jens’ Brand Beeliner (g-turns.com) that provide us with audioscans of the earthsurface.
- code31 will set up a local audio-streaming network with their students
- Alejandra Perez Nunez, will work with kristalradio sounds
BRATISLAVA - stream:
Society of Algorithm is playing a double concert for the Wave / Radio Towers program. The combination of computers, algoritmic approaches and internet based technology can be used by an artist in an inventive way to create change in daily life, and provoke the current politicised industrial selling of virtual and real machines for maintaining balance in society. By reconfiguring the topology in which broadcasting is dismantled, and altered into a distributed transceiver apparatus, former concepts like radio and tv are set free and become independent again. Society of Algorithm considers this a new material and wants to experiment with its possible use and affordances in art.

[akihiro kubota, gívan belá and isjtar]
{tokyo, bratislava, brussels}
meaning of duff/duf:
-Discourse Using Formants and Frequencies
-The matted, partly decomposed, organic surface layer of forested soils.
-Daily Usage File
-Discord Unit Frame
-Design Up Front (software design methodology)
[gívan belá + michal kindernay]
{bratislava, brno}
meaning of daax = DIY audiovisual additive concatenative sampling


(stream provided by Projekt Atol)

*FENNESZ (Touch; Vienna) – live WoO (rx:tx, Belgrade) - live*

On Thursday, April 26th, Stara Elektrarna in Ljubljana will host 13th edition of rx:tx event series Re-lax, this time with very special guests. Besides the long-awated *Mobi Rock* album release show from rx:tx new signing from Belgrade (Serbia) - *WoO*, accompanied by visuals of the acclaimed video artist *Bob Milosevic* - rx:tx in collaboration with Zavod projekt Atol, Codeep and Kataman is proud to present the concert of one of the pioneers of contemporary electronica *Christian Fennesz* (Mego/Touch, Austria).
Almost a decade after the release of his literally ground-breaking album *Endless Summer*, there is really no need to introduce Fennesz. The recent highlights of his diverse artistic career are collaborations with Mike Patton, Riyuichi Sakamoto, Keith Rowe, Toshimaru Nakamura, Elliot Sharp and many more. We are specially pleased to be bringing together these two artists on the same bill, as their musical explorations and extensions of using the guitar in electronic music and electromagnetism are covering similar ground.

The concert is a part of WAVES RADIO TOWER EXCHANGE project.

On-site event: April 26th at 20:00 *
venue: Stara Elektrarna (Old Electricity building), Ljubljana.


Martin John Callanan (UK)

Interactivity has become ambient. Individual people are no longer isolated resulting from the scaling up of networks and the scaling down of the apparatus for transmission and reception. Various communication devices always carried are continuously emitting and receiving information. This continuous data flow is both invisible and often, by the majority of people, unknown. Today¹s hand-held devices can be seen as extensions of the human body allow ubiquitous, inescapable network interconnectivity.

The Sonification of You' aims to make this data flow 'visible' to those people carrying the active devices. Our equipment will passively scan the various radio spectrum frequencies used by mobile phone devices, Bluetooth, WiFi networks, and others used by mobile devices, within a given space. The data information then represented by assigned audio sounds that will indicate activity, distance, and strength of signals.

Drawing on methods for monitoring large computer networks, the result is to create a background 'sound' for a room that is representational of the people, and their devices, present.

The invisible become audible and therefore visible. Allowing individuals to become aware of their constant connectivity.

* * *

Apparatus for scanning the radio frequencies used by digital devices feeds into our laptop running a custom program. This program can analyse and identify the different types of data; such as when a mobile phone says "hello" to a base station, this will be different to when a SMS is sent. All of the frequencies are simultaneously scanned and analysed. The computer is able to separate and identify the different types of data; this is then used to trigger a sound to represent it. Different types of data are represented by different instruments; so mobile phones are different from BlueTooth.
Then, individual devices have a different place on the instrument's scale. Each new mobile device the system discovered is placed separately on the audio scale so can be heard separately. The sound is produced by a synthesiser. This lite version uses arbitrary instruments. We are currently working with an expert in digital sound perception to create a version capable to convey the information in a more natural audible sense.

* * *

Sonification: using non-speech audio to convey information, is particularly useful when there is an abundance of data to be considered.



Horia Cosmin Samo?la / Spectral Investigations Collective (France)

Urban sites like country landscapes are immersed in a new kind of electromagnetic flux and pulsations with the rise of the last generation communication technologies. The old analogic radio modulation waves are supplanted by digital discontinuous signals. This constitute a new environment in which ecological, biological and cognitive aspects of our society are in constant mutation and evolution. Probably, by the past, mutation factors came from planetary and cosmic electromagnetic activity. Now, GSM, radio emitters and relays, having replaced guard and bell-towers, and and scramble the natural frequencies. Paris, "City of Lights", presents with the Eiffel Tower a good position to reveal both VLF and electrosmog activity. Pulsed electromagnetic information and natural electroplasmic echoes constitutes an emerging plastic material, whose insidious interaction with the alive one and cognitive process reveal new fields of exploration in the slides of our technologic interface society.


proposal for the project RADIO-TOWER-Xchange project for t e s l a / Berlin.
Jan-Peter E.R. Sonntag (Germany)

'i use the physical innerarchitecture of the space (in Berlin and Potsdam) to re-play a part of my RAWextension f5 before i will transform this sereal data into a high frequent pulse of greyscale informations - a Raw-Morse-video, which can download on Your mobil.'

(RAWextension / 1ch. black&white video, mono sound for mobil download)

Adolph Slaby was the only person from a foreign country, being part of the first succesful wireless telegraph experiment by Marconi in England in May 1897. Being back in Germany only three month later at the 27th of August together with his his assistent Graf von Arco he could "morse" a signal over a distance of 1,6km from the tower of the the Saviour's Church at Sacrow. So the tower - in italian "campanile" becaurse of the neo-byzantinic style of the archtecture of the church - had been the first antenna-tower or "radio-tower" and transmission station in germany in 1897.

In reference to this historical and topological point, the church of Sacrow at the river Havel close to Potsdam and Berlin, i will use for the physical part of the production: the physical innerarchitecture of the space to re-play a part of my RAWextension f5 before i will transform this sereal data into a high frequent pulse of greyscale informations - a Raw-Morse-video, which can download on Your mobil.

To use the data from RAWextension f5 again links this new composition to the sonArc-project and LOST IN TRANSLATION.

"D0 CF 11 E0 A1 B1 1A E1 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3E 00 03 00 FE FF 09 00 06 00 00 00 00 00 00 00 00 00 00 00 01 00 00 00 36 00 00 00 00 00 00 00 00 10 00 00 38 00 00 00 01 00 00 00 FE FF FF FF 00 00 00 00 35 00 00 00 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FFFF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF In 1954 Karlheinz Stockhausen composed his 'Studie 2' in the Cologne studio of WDR. In this piece the composer applied serial composition techniques 'stringently' to electronic sound production within the bounds of his technical resources and his artistic settings. The basic element is the sinus tone; all parameters are derived from the 25th root of 5. The 'original' is a tape, while the subsequently produced graphic score – translation – is an attempt to make the music visually and thus structurally comprehensible. Today the 'Studie 2' is available on CD in digitalized form, and thus as a thousand-fold original.

I took this data volume, removed the header and optically interpolated it around
Faktor5. This operational act left the serial structure intact. The resulting RAW file was read within sonArc::ion - prologue as video in mono sound, as a static image and as characters. The data become perceivable in space as flickering patterns of stripes synchronized with the acoustic analogue transformation and the strings of letters of the hexadit program.
The result is a multimedia / synesthetic space-sound composition in the tradition of classical modernism – high-resolution but minimal: black and white and mono."
(Jan-Peter E.R. Sonntag, "LOST ON TRANSLATION" 2006)


POWER LINES IN SWEDEN. Sounds and behavior of the Swedish power lines.
Nils Edvardsson

Electricity sounds. When current flows through the powerlines, different sounds are generated. Some of the are easy to hear. If you stand under the lines, frying sounds can be heard. Other sound is weaker and need to be amplified. The sound is changing due to the amount of current passing and there are big variations over the time. Larger consumption of electricity generates more sounds, and in that sense the sound of the power line is the sound of the modern society, a big string instrument that respond of our daily chores.
The recordings are made with accelometers, piezo elements and standard microphones. All the sounds was captured on portable hard disc recorders.
Idea and recording: Nils Edvardsson. Technical advisor: Fredrik Norrgren. Producer: Bjorn Norberg / Interactive Institute.



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Radioturm Europaplatz

Superfactory(TM) (Germany/Lithuania)

We celebrate 1000 Years of Radio in an ultra quick week of Hoerspiel. Do you remember the design of the Ringsendungen, the perfect hookup for the circular social band? We will set up this globalized network en miniature on a table with Mini-FM transmitters and notebooks. Brecht and Enzensberger were right, but Baudrillard was righter, wasn't he? Can you see the future of your MurdochSpace? Event 65 years later (since 1942) it's not yours, don't take it!

Sponsored by piradio gradio.org radi0.tv (Berlin)


Clausthome and Martins Ratniks (Latvia)

Solar Radiostation is a collaboration among the artists of RIXC (LV) and r a d i o q u a l i a (NZ), Clausthome (LV) musicians, and VIRAC - Ventspils International Radio Astronomy Center (LV) scientists. (rixc.lv/solar)
As an installation and live performance it first took place in Phoenix Hall in Dortmund, May 2006. Realtime scanning of Solar system's objects (Sun, Jupiter, Taurus, Cygnus) was performed in Irbene, Latvia using former military antenna RT-32 of VIRAC radiotelescope. The signal was downsampled to audible frequency and transmitted live via the Internet, where in Dortmund it was picked up by Clausthome artists for real-time interpetations.
Solar Radiostation performance for RTX event will be using pre-recorded files from Irbene live scans, and will turn this noise from the space into realtime sound modelling performance and live video mix



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