Iannis xenakis and his influence on music technology today
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Iannis Xenakis and his influence on music technology today. Xenakis : An introduction. May 29,1922 – February 4, 2001 Greek composer, music theorist, and architect/engineer

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Iannis xenakis and his influence on music technology today

IannisXenakis and his influence on music technology today


Xenakis an introduction

Xenakis: An introduction

  • May 29,1922 – February 4, 2001

  • Greek composer, music theorist, and architect/engineer

  • Born in Romania. Ethnic Greek. Forced to flee to Greece after being denounced a Communist. Later became a naturalized citizen of France and worked both in the US and in France.

  • Post-war avant-garde composer


Xenakis overview of his methods

Xenakis: overview of his methods

  • Used mathematical models and applications of set theory, stochastic (random) processes and game theory to make his music.

  • Mixing music with mathematics

  • XENAKIS AS AN ARCHITECT

    • http://www.iannis-xenakis.org/xen/archi/real.html


As an architect

As an architect

  • Xenakisdesigned the hyperbolic Phillips Pavilion with Le Corbusier for the 1958 Brussels World Fair.

    • EdgardVarese’s “PoemeEletronique”

    • Concret PH” by Xenakis

  • Idea: “Math can be applied to any art form”

  • Le Corbusier’s sketches were hand over to Ixenakis

    • He was to translate them through mathematics.

    • Xenakiswas working on“Metastasis”

    • So, he turned his graphical musical sketches of Metastasis into architectural schemes


Metastasis

“Metastasis”


As an architect1

As an architect


Metastasis1

“Metastasis”

  • http://www.youtube.com/watch?v=SZazYFchLRI&feature=player_embedded


Concret ph

“Concret PH”

  • Crackling sound of burning charcoal

  • Tape recording - cut into hundreds of tiny pieces and arranged in various densities according to theories of probability.

  • Controlled individual elements of sound

  • “Second-order sonorities”

    • Spectrum of small moments in time larger formal structures

    • Related to the concept of fractals


Analogique b

“Analogique B”

  • Tape piece written in 1959

  • Xenakis’sfirst attempt at granular synthesis

    • All sounds can be represented as micro-temporal pieces of sound called “grains.”

  • Xenakis used data that depicted a moment in time and contained information regarding the density, frequency and amplitude of grains at that moment

    • Determined by Stochastics.


Orient occident

“Orient-Occident”


Bohor 1962

“Bohor” (1962)


Bohor 19621

“Bohor” (1962)


Cellular automata ca

Cellular automata (CA)

  • Colored cells on a grid of a specified shape

    • Cells change through discrete time steps based on a set of rules defined by surrounding cells.

    • “On” and “off” states

  • Discrete model – computability theory, mathematics, physics, biology, and microstructure modeling.

  • Xenakisused CA calculated with his “pocket computer” to determine the succession of chords within a rational, perceptible structure

  • His mapping was based on pre-determined pitches and the state of the cell chose the instrumentation.


Cellular automata

Cellular automata

  • Left: Close up of Xenakis’ text/symbol pocket computer printout for his piece “Horos”

  • Right: Graphic blocks and stretched to line up with printout


In terms of mapping

In terms of mapping

  • Xenakis was the first composer to make mathematical concepts popular in composition.

  • Mapping – using numbers plugged into a system that recognizes values and manipulates data by presenting it in a way that makes sense to our minds.


In terms of mapping1

In terms of mapping

  • Xenakisdesigned the UPIC (computerized music composition tool) and is the inspiration behind the program called (IanniX)

    • IanniX is a program that can be integrated with Max


In terms of mapping2

In terms of Mapping

  • Dynamic stochastic synthesis

    • http://www.cycling74.com/forums/topic.php?id=16542

  • IanniX

    • Graphical open source sequencer

    • http://vimeo.com/25041544


Iannis xenakis and his influence on music technology today

upic

  • Digitalizing tablet linked to a computer with a vector display.

    • Draw waveforms and volume envelopes on the tablet

    • Compose with the waveformsby drawing "compositions" on the tablet

      • X-axis = time

      • Y-axis = pitch.

    • Compositions can be stretched in duration, transposed, reversed, inverted, and other algorithmic transformations.

    • Allows for real time performance by moving the stylus across the tablet.


Iannis xenakis and his influence on music technology today

upic


Iannis xenakis and his influence on music technology today

upic


Autumn theater festival paris

Autumn theater festival, paris

  • XENAKIS' POLYTOPE II DE CLUNY (2008)

    • http://thesoundofeye.blogspot.com/2010/05/anton-cabalero-xenakis-polytope-ii-de.html


Contribution

contribution

  • Founded the Center for Musical Mathematics and Automation

  • France and the US:

    • Center IannisXenakis (CIX)

    • Xenakis Project of the Americas (XPA)


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