The lack of a universally accepted standard control protocol, as well as a lack of interoperability among existing protocols, limits how audio software can support a wide range of networked devices. To address this issue, the authors propose an abstract standard audio device model that is independent of any particular technology. This standard device model supports service discovery and enumeration, while also specifying device parts, the representation of parameter addresses, and the visual appearance of controls. The discussion explores the model in the context of a self-configuring discovery and control environment. Within this environment, controllers do not “pull” descriptions from a device; but rather, devices “push” full-service implementations to controllers.
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