Acoustic subtraction is a sound experiment which involves filling a public space with white noise and then rapidly pulling the plug.
During this event at the Walled Garden high amplitude white noise will flatten out the acoustics for 20 minutes, effectively masking all other background sound. This saturation has a cleansing effect on the act of listening, creating a thoughtful and meditative sonic environment. This is followed by 20 minutes of 'silence' where the audience will become reacquainted with the natural vibrations and acoustic atmosphere of the space.
