Breizh Entropy Congress


Update from the Breizh Entropy Congress

An early version of Radius Music (v1.0) was displayed at the 2010 Breizh Entropy Congress at the Universite de Rennes 1 in Bretagne.

Project Statement for Radius Music (from

RADIUS MUSIC is an audio interface based on ideas of cartography and graphic scores, developed using the open source arduino and processing platforms. It investigates the inability of a written musical language to represent the new potentials in electronic sound production since the rise of computer music in the 20th century, and the experimental use of graphic scores, processes and systems to introduce elements of indeterminism into composition – thus providing a ‘sonic map’ to interpret and navigate rather than a linear path to follow.

Radius Music combines these ideas of mapping and graphic scores as a means to produce sound. The device itself is an autonomous revolving machine that reads a distance value in real-time between itself and another object – ie a wall. As the machine slowly rotates and scans the room, it takes this radial distance and outputs it as a sonic frequency and a corresponding visual score.

Numerous devices will be placed in a room, documenting sonically and visually the dynamic real-time readings taken from ultrasonic distance sensors. As people walk in and out of the room that these devices will be placed in, they will alter the readings of distance, and therefore, the sounds too.

Breizh Entropy Congress Press Release (from

Passionate individuals and non-profit organizations from the region of Rennes, Brittany, France invite you to participate in the first Breizh Entropy Congress. This inter-disciplinary event focuses on free (as in freedom) creations and culture.

Through a meeting fostering open-mindedness, exchange of ideas and learning, we hope to show solutions to technical, social and political problems, and celebrate free, reclaimed and creative art and technology.

We happily welcome entropy, as a means to break artificial boundaries between disciplines and find unexpected ways of doing things that promote liberalization, sharing and reclaiming of technologies that traditionally belonged to the realm of corporations and well-funded academic labs.


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