Earlier in the week Liz spoke to Dr Jamie Ward, about synaesthesia, a condition where people see shapes and colours when listening to sounds. This session shows us that that's not as crazy as it may sound. Liz talks to Trevor Cox, Professor of pure mathematics at the Open University and Gresham Professor of Geometry in London and Robin Wilson, professor of acoustic engineering at Solford University about the shape of sound. Trevor Cox tells us how a concert hall shapes the sound within it and how the acoustics engineer works out the perfect acoustics for a space. Robin Wilson explains how the ancient Greeks linked maths and music and traces the progression of musical symmetries from ancient Greece to modern days.
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