It is essential for engineers and architects to demonstrate how a project will look to a client before building gets underway. As well as being an intrinsic part of the design process, technology makes it possible to produce photo-realistic images and to-scale models so that the professionals can articulate their visions and the reasons behind them. Showing a client how a space might sound is less common, and often deprioritised in the process. However, the sound of a space has a visceral impact on its users.