Recent advances on active control of sound transmission through ventilation windows

Publication Type:
Conference Proceeding
24th International Congress on Sound and Vibration, ICSV 2017, 2017
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Windows are often the weakest part in a building in terms of sound transmission loss from outside. Many researchers have applied active noise control to improve the sound transmission loss of windows, which includes distributing an array of loudspeakers on the opening of the windows, applying vibration actuators on the glasses of the windows, and putting loudspeakers in the gap of the double layered or plenum windows. This paper focuses on active control of sound transmission through windows which allow nature ventilation. Recent advances in 8 countries and areas in the last 5 years are summarised and compared first, then the limitations of current research, implementation issues and future directions are discussed.
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