Posts Tagged with Noise/Sound Control

Active Boom Noise Abatement in a Sport Utility Vehicle (SUV)

Large vehicles, such as sport utility vehicles (SUVs) and minivans, exhibit body boom phenomena during multiple source excitation events including rough road/impact and power-train induced events. The main cause of the boom is the low-frequency acoustic/vibroacoustic standing waves (modes) of the cabin cavity being excited via the high acoustic transfer functions at multiple paths, due […]

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Active Boom Noise Abatement in a Sport Utility Vehicle (SUV)

An active boom noise control solution which can be viewed as a low-frequency ‘active tuned acoustic damper’ is developed to add acoustic damping to the low-frequency standing waves inside the cabin of a large SUV to quiet its tonal persistent boom noise.  The existing stock 8 inch subwoofer as well as one of the existing […]

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