Hertzian Rain by Mark Shepard - is a live sound project which filters multiple sound and is streamed from a set of wireless transmitters placed in an urban space. The transmitters broadcast the live audio stream locally on the same radio frequency to participants who are wearing wireless headphones tuned to this frequency.
This event is designed to raise awareness of issues surrounding the wireless topography of urban environments through audio experiences based on sound and movement.
Participants carry umbrellas made of electromagnetic field (EMF) shielding fabric that enable them to actively shape the surrounding environment of radio waves. By orienting the umbrella in different ways, one is able to filter the interfering radio signals and select a single audio stream to listen to. The movements of the crowd are sensed by accelerometers attached to the umbrellas and this data is broadcast locally to the sound makers via an ad-hoc wireless network, who in turn use these data streams to modify the sound streams.
Sound sources might include real-time ambient sounds produced by a sound artist, a spoken word performance or live music from a local or remote location mixed in real-time by mobile DJ, for example.
This is one of many exciting projects by Mark Shepard.
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