Preparing for Regents’ Lecturer presentation, Part 1

I have been busily preparing this weekend for the first of my UC Berkeley Regents’ Lecturer presentations:

Open Sound World (OSW) is a scalable, extensible programming environment that allows musicians, sound designers and researchers to process sound in response to expressive real-time control. This talk will provide an overview of OSW, past development and future directions, and then focus on the parallel processing architecture. Early in the development of OSW in late 1999 and early 2000, we made a conscious decision to support parallel processing as affordable multiprocessor systems were coming on the market. We implemented a simple scalable dynamic system in which workers take on tasks called “activation expressions” on a first-come first serve basis, which facilities for ordering and prioritization to deal with real-time constraints and synchronicity of audio streams. In this presentation, we will review a simple musical example and demonstrate performance benefits and limitations of scaling to small multi-core systems. The talk will conclude with a discussion of how current research directions in parallel computing can be applied to this system to solve past challenges and scale to much larger systems.

You can find out more details, including location for those in the Bay Area who may be interested in attending, at the official announcement site.

Much of the time for a presentation is spent making PowerPoint slides:

With slides out of the way, I can now turn to the more fun part, the short demos. This gives me an opportunity to work with TouchOSC for the iPad as a method for controlling OSW patches. We will see how that turns out later.

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