We have built an experimental machine to address three specific problems: narrow bandwidth of the control channel; limited access to the sound production mechanism; mixing and effects processing. Our hardware uses an experimental diskless workstation to control a variety of cards: an array of DSPs; an array of FM oscillators; the "final mix" with AES output; and MIDI/SMPTE I/O. Each card except the last has a core DSP (AT&T DSP-16) to mix the output from upstream cards and perform effects.
(See document for exact affiliation information.)
https://aes2.org/publications/elibrary-page/?id=5826
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