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Network Music Performance Systems

The SPRAWL System is a distributed system for musical performances in local or remote networks, developed and tested in previous seminars at the TU Studio (More on the System). Musicians use Raspberry Pi-based access points to connect arbitrary musical instruments to a server for mixing and spatial rendering of audio signals. The architecture allows the dynamic configuration and control of the SPRAWL System, turning it into a musical meta-instrument. It evokes new ways of musical interaction but also enables rehearsals and concerts in times of travel restrictions and social distancing. Related setups are used for an ongoing series of network performances, involving participants from all over the globe: Quarantine Sessions
The seminar Network Music Performance Systems introduces students to the SPRAWL system in hands-on workshop sessions. This includes the fundamentals of Linux audio systems and details of Jacktrip as a protocol for audio over IP. SuperCollider, Puredata, Python and other tools are used for programming the system on both the access points and the server.
Besides programming, the seminar also focuses on playing with the system. Participants are thus encouraged to bring their instrument of choice - electronic or acoutic. In groups, Students will develop an individual system configuration and present it in a final presentation or concert. The seminar will install and operate the SPRAWL system in a public concert at the HybridLab with external musicians.
All sessions of the seminar are held online, using Zoom and the SPRAWL System itself. The TU Studio (EN 324) will be reserved for necessary on-site operations. Participants can either borrow an access point from the TU Studio or purchase their own Raspberry Pi with accessories: parts list


  • Connecting to the server from a home network requires access to a standard internet connection via Ethernet (WiFi is not reliable for these purposes).  

The number of participants is limited. Please subscribe to the mailing list for enroling: ak-sprawl


1: Introduction:
2020-11-04  Wednesday 16:00 - 18:00
2: Workshop I:
2020-12-05  Saturday 10:00 - 18:00
3: Group Session:
2021-01-20  Wednesday 16:00 - 18:00
4: Workshop II:
2021-01-23  Saturday 10:00 - 18:00

5: Presentations & Concert:
2021-02-20  Saturday 16:00 - 22:00
Henrik von Coler
Nils Tonnät

0135 L 782
Musikinformatik (MSc-AKT 8a,b), Musikinformatik und Medienkunst (MSc-AKT 9a,b,c)

  • Examination Requirements

    • participation in workshops
    • contribution to the public concert
    • presentation of the group work

  • Credits: 6 ECTS
ISIS-Anmeldung erforderlich:

Zusatzinformationen / Extras


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