Sound, as a still relatively unexplored medium of urban design, provides an obvious starting point in the search for new relationships and identities in the contemporary city.
Communities have an increasing desire to be informed and included in local art, design and infrastructure projects. This has inspired new ways of dealing with noise-afflicted areas.
Unlike vision or touch, sound is much more difficult to control or avoid; music in particular spills across thresholds and intrudes into situations where it is unwelcome.
Shortly after Glen MacPherson started hearing strange humming noises, he created the World Hum and Database Project so people around the world could document their own experiences with the Hum.
Too much background noise has been linked to heart disease, strokes and even holding back children's learning.
Noise pollution, whether on land or under water, can affect animals in interesting – and not always positive – ways.
After travelling through the bush, returning to the cacophonies of the sonic city can be exhilarating. The body is immediately swamped with an energy that speaks of action, progress, and possibility.