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Scalable Connectivity Processor for Computer Music Performance Systems

Rimas Avizienis, Adrian Freed, Takahiko Suzuki, David Wessel. Scalable Connectivity Processor for Computer Music Performance Systems. 2000. International Computer Music Conference.


Abstract: Standard laptop computers are now capable of sizeable quantities of sound synthesis and sound processing, but low-latency, high quality, multichannel audio I/O has not been possible without a cumbersome external card cage. CNMAT has developed a solution using the ubiquitous 100BaseT Ethernet that supports up to 10 channels of 24-bit audio, 64 channels of sample-synchronous control-rate gesture data, and 4 precisely time-stamped MIDI I/O streams. Latency measurements show that we can get signals into and back out of Max/MSP in under 7 milliseconds. The central component in the device is a field programmable gate array (FPGA). In addition to providing a variety of computer interface capabilities, the device can function as a cross-coder for a variety of protocols including GMICS. This paper outlines the motivation, design, and implementation of the connectivity processor.

Context: Adrian Freed kindly provided a parseable collection of OSC-related papers from his website, ported to the new site by Matt Wright in May 2021

Submitted to by Adrian Freed at 05/04/2021 17:53:03

This page of OpenSoundControl website updated Mon May 24 11:20:28 PDT 2021 by matt (license: CC BY).