Abstract
This paper presents an innovative approach of acoustic design of high performance facade for buildings in the vicinity of an airport. The sound insulation performance of the facade system is established by an aircraft noise auralization of the aural environment in the built environment such as a Star hotel at Arup SoundLab for determining an acoustically suitable glazing system. Arup SoundLab uses a 3D loudspeaker reproduction system called Ambisonics to reproduce the sound phenomena in a dedicated room that allows people to listen to simulated sound in virtual spaces before actual construction. The audio samples can be generated to mimic the dynamic indoor acoustic environment for the takeoff noise profile of B747 aircraft. After listening to the audio samples for different glazing configurations and ambient conditions, subjective responses from a group of representative individuals to the audio sound track that simulates a possible future situation are collected for evaluation analysis. The engineering development of high performance acoustic facade is presented including laboratory testing to reach a confidence level for achieving the end results. An opportunity for identifying potential cost saving is also discussed as a result of this aircraft noise auralisation. Examples will be presented to illustrate the approach.
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