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Making music with a C compiler

A session at SIGINT 2013

Saturday 6th July, 2013

3:00pm to 3:45pm (CET)

(also introducing libglitch)

Audio synthesis and composition without instruments, notes or tracks is possible: One can create music interpreting the output of short programs written in the C programming language as a description of a waveform using pulse-code modulation (by piping to /dev/dsp).

This approach requires a reinterpretation of common computational primitives in the context of audio synthesis. Complex multitonal melodies can be created and combined using a single iterator and bitwise operations. Effects can be created exploiting architectural artifacts like modular integer arithmetic – integer underflows can yield snare sounds.

As C is turing-complete, it should not be used as an input language on LANGSEC grounds. As an alternative, I will present a stack-based programming language suitable for audiovisual live coding and a Free Software implementation of the underlying VM architecture, libglitch.

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Shit erlehmann says

Ich wuchs auf einem Schrottplatz auf, wo ich lernte mich von Radkappen und Stoßstangen zu ernähren. bio from Twitter

Next session in Saal

4pm VM32: A CPU simulator for demonstrational purposes of virtualization technologies by Andreas G.

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SIGINT 2013

Germany Germany, Cologne

5th7th July 2013

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When

Time 3:00pm3:45pm CET

Date Sat 6th July 2013

Where

Saal, KOMED

Short URL

lanyrd.com/sckcfc

Official session page

frab.cccv.de/…t13/events/5067.html

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