Abstract
Previous measurements in homes near wind turbines indicate higher pressure levels below 10 Hz than audible pressure levels measured at the same time and location (ASA, vol. 20, 2013 Dooley & Metelka). Blade pass harmonic pressures were proven to be higher relative to basement ground-borne vibration and seismic vibration in floors throughout the home are reexamined simultaneous to broadband pressure. Although the pressure vs. frequency distribution appear to be the same at different locations in one room, they differ when compared to other rooms due to room dimensions. Further multichannel signal processing using a variety of different sensors at various locations inside a home identify areas in a home that are least affected by wind turbine low frequency discrete harmonics as well as acoustic metrics. Wind direction, wind speed, and other factors are precisely measured simultaneously. Sound level metrics inside homes are also compared to narrowband FFT data in an attempt to quantify annoyance and derive alternate metrics.
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