José Echeveste: Antescofo, a dynamic language for real-time musician-computer interaction

Mon, 04/14/2014 - 5:15pm - 6:45pm
CCRMA Classroom, The Knoll 2nd floor, Rm 217
Event Type: 
This talk focuses on programing of time and interaction in Antescofo, a real-time system for performance coordination between musicians and computer processes during live music performance. To this end, Antescofo relies on artificial machine listening and a domain specific real-time programing language. It extends each paradigm through strong coupling of the two and strong emphasis on temporal semantics and behavior of the system.

The challenge in bringing human actions in the loop of computing is strongly related to temporal semantics of the language, and timeliness of live execution despite heterogeneous nature of time in the two mediums. Interaction scenarii are expressed at a symbolic level through the management of musical time (i.e. events like notes or beats in relative tempi) and of the ‘physical’ time (with relationships like succession, delay, duration, speed).

Antescofo language features will be presented through a series of real-world music examples which illustrate how to manage execution of different musical processes and their interactions with an external environment.

The Antescofo approach has been validated through numerous uses of the system in live electronic performances in contemporary music repertoire by various international music ensembles. 

José Echeveste is a PhD student since September 2011 at the University of Paris 6 and IRCAM, working on the Antescofo coordination language. Prior to this he completed his masters on “Synchronous Strategies for Real-Time Music Accompaniment Systems” within ATIAM Masters at IRCAM. His research interests include interactive computer music, computer-aided composition, domain specific language for music, synchronous languages and timed automata.
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