Chaos Computer Club - archive feed

The proposed talk/workshop is yet again the follow-up on the tradition of LAC2013@IEM-Graz, LAC2014@ZKM-Karlsruhe, LAC2015@JGU-Mainz, LAC2016@c-base.org-Berlin and LAC2017@UJM-St. Etienne, as an informal manifest (but not exclusive) to the Qstuff* software collection. The future of QjackCtl [1] and the JACK-Audio-Connectionm-Kit, as the main Linux Audio infrastructure, shall be the main subject. Y...

Ableton Link is a technology that synchronizes musical beat, tempo, phase, and start/stop commands across multiple applications running on one or more devices. Unlike conventional musical synchronization technologies, Link does not require master/client roles. Automatic discovery on a local area network enables a peer-to-peer system, which peers can join or leave at any time without disrupting oth...

This paper presents a design approach for an AVB network segment deploying two different types of AVB server for multiple parallel streams. The first type is an UDP proxy server and the second server type is a digital signal processing server. The Linux real time operating system configurations are discussed, as well as the software architecture itself and the integration of the Jack audio server....

A set of lightning talks by you! A set of lightning talks by you! about this event: https://c3voc.de

Pure Data’s data structures are one of the few core features that distinguish Pd from Max/MSP. Yet, they’re also one of the few modules which are used solely by a small group of users. The main reasons for this would be both the not yet very mature and complete collection of objects, as well as not very intuitive implementation in Pd’s language. This workshop illustrates the possibilities of Pd’s...

Audio applications which go beyond MIDI processing often utilize OSC (Open Sound Control) to communicate complex parameters and advanced operations. A variety of libraries offer solutions to network transportation of OSC messages and provide approaches for pattern matching the messages in dispatch. Dispatch however is performed inefficiently and manipulating OSC messages is oftentimes not realtime...

Carla is a fully-featured audio plugin host with support for many plugin formats, featuring automation of plugin parameters via MIDI CC, remote control over OSC, among others. This workshop plans to give a quick overview of Carla and go through some workflows together with the audience. Carla is a fully-featured audio plugin host with support for many plugin formats, featuring automation of plugin...

This is a workshop for the Yoshimi soft-synth, and is intended to give an overview of ideas for using the synth at live venues. This is a workshop for the Yoshimi soft-synth, and is intended to give an overview of ideas for using the synth at live venues. about this event: https://c3voc.de

A challenge to produce a music track within 60 minutes. Participants get a short MIDI file as a starting point, and woA challenge to produce a music track within 60 minutes. Participants get a short MIDI file as a starting point, and work on their track using the tools and techniques of their choice. An excellent way to test your skills as a producer. As the participants can use the program of the...

Tessellations plays with the repetition of material generated by manipulating the interval structure of the chord and submitting it to short processes that I generate myself in Python and execute them inside PD with the py object. This piece is an experimentation on the way I link time, material and narrative. The “tessellated” object not only morphs the musical material but also the space where i...

Composition for prepared electric guitar and live electronics (SuperCollider), with multichannel spatialization. Composition for prepared electric guitar and live electronics (SuperCollider), with multichannel spatialization. about this event: https://c3voc.de

COSMO Collective is an open musical collaboration for musicians using DIY electronics and custom software written in Csound. There is no definite musical style, though it could perhaps be characterized as electro-acoustic improvisation. The focus is on the exploration of sound and timbre, rather than traditional harmonics and rhythm, and exploiting the powers of Csound in this pursuit. COSMO Colle...

Six modular synthesizers and one digital instrument interact in an improvised performance. Their spatial movements are defined by rotations in opposite directions over time, realized on an eight channel speaker system - the Electronic Orchestra Charlottenburg (EOC) (https://www.ak.tu-berlin.de/menue/elektronisches_studio/elektronisches_orchester_charlottenburg/), a project of the Electronic Music...

Claude Heiland-Allen (https://mathr.co.uk) is an artist from London interested in the complex emergent behaviour of simple systems, unusual geometries, and mathematical aesthetics. Clive is an audio live-coding skeleton, implemented in C. It supports a two-phase edit-commit coding cycle allowing long-lived signal processing graphs to be modified without interrupting the sound. Performance with Cli...

The MOD Project: an overview of the history, some comments and considerations about an Open Source Linux Audio centric hardware business attempt and some insights for the future. MOD was born in 2010, first debuted at LAC in 2013, crowdfunded a mass product in 2014, delivered it in 2016, consolidated in 2017 and got funded in 2018. These 8 years have been quite interesting and a lot has happened a...

Perlin noise is a well known algorithm in computer graphics applications and one of the first algorithms for generating procedural textures. It has been very widely used in movies, games, demos, and landscape generators, but despite its popularity it has been seldom used for creative purposes in the fields outside the world of computer graphics. This paper discusses the use of Perlin noise and fra...

SpectMorph is an open source software which performs morphing of the timbre of musical instruments. This allows creating sounds that smoothly transition from the timbre of one instrument to the timbre of another instrument. There are three steps necessary to obtain the final sound. In the analysis, we use the fourier transform to create models of the spectrum of the input samples. During synthesis...

Audio tools face a set of uncommon user interface design and implementation challenges. These constraints make high quality interfaces within the open source realm particular difficult to execute on volunteer time. The challenges include producing a unique identity for the application, providing easy to use controls for the parameters of the application, and providing interesting ways to visualize...

Physical modelling is a synthesis technique where data is generated through emulating physical models, instead of using premade elements such as wave tables or recorded samples. Data based on physical models usually has a more “natural” expressivity, as it is based on rules similar to the physics of the natural world. This workshop introduces pmpd, a library by Cyrille Henry that implements a mass...

Camomile is an audio plugin with Pure Data embedded allowing to create original and cross-platform audio plugins using patches and that could run in any digital audio workstation that accepts the VST or Audio Unit formats. The paper presents an overview of the current functionalities of Camomile and the possibilities offered by this tool. Following this, the main lines of the future developments a...

The levTools are a set of abstractions for Pure Data, that are primarily designed for teaching electronic music. Moreover, they have a huge creative potential for experienced pd-users or computer musicians in general, especially when working on linux-based OS. The flexible and open character of the modular toolset allows multiple approaches. The levTools are free and open source. They were develop...

Many of us would love to start DJing with software, comparable to commercial offerings out there. Thanks to the fantastic work that the Mixxx has done, it is now possible. However, Mixxx could be a little off-putting due to the fact that setting a controller up might not be as user friendly as with software like Traktor. Louigi will run through all the difficult places, demonstrate how to set thin...

This paper describes the logic and process behind the development of the RSVP preset library for the Pure Data programming environment. The library aims to tackle the lack of a native preset system in Pure Data. Other projects like Kollabs, CREAM, sssad, and others, have produced different solutions for this issue. However, after experimenting with the mentioned libraries, I decided to approach th...

The paper describes a new multichannel sound interface for the BeagleBone Black, "Cape4all". The sound interface has 6 input channels with optional microphone pre-amplifiers and between 4 and 6 output channels. The multichannel sound extension cape for the BeagleBone Black is designed and produced. An ALSA driver is written for it. It is used with the openMHA hearing aid research software to perfo...

This Workshop demonstrates the use of the Yoshimi soft synthesiser as a platform for building entirely synthetic musical instruments, based on exploring the structure and interplay of defining traits within musical sound. Starting from characteristic overtones and spectral patterns as foundation, the specific body of the tone can be shaped by fine tuning the transients. Further techniques of trans...