On the limits of real-time physical modelling synthesis with a modular environment

Craig J Webb, Stefan Bilbao

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract / Description of output

One goal of physical modelling synthesis is the creation of new virtual instruments.
Modular approaches, whereby a set of basic primitive elements can be connected to form a more complex instrument have a long history in audio synthesis. This paper examines such modular methods using finite difference schemes, within the constraints of real-time audio systems.
Focusing on consumer hardware and the application of parallel programming techniques for CPU processors, useable combinations of 1D and 2D objects are demonstrated. These can form the basis for a modular synthesis environment that is implemented in a standard plug-in architecture such as an Audio Unit, and controllable via a MIDI keyboard.,Optimisation techniques such as vectorization and multi-threading are examined in order to maximise the performance of these computationally demanding systems.
Original languageEnglish
Title of host publicationProceedings of the 18th International Conference on Digital Audio Effects
Publication statusPublished - 30 Nov 2015


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