Abstract
It is proposed that low frequency noise/vibration problems are best
tackled by a combination of acoustic and microseismic methods, rather
than using each method in isolation. A new integrated method was
devised and it was demonstrated that 'the whole is greater than the
sum of the parts'. The benefits and versatility of the new method
are illustrated with reference to a case study. Unmanned monitoring
took place at several houses near to an industrial site, using a
multi-channel recording technique. Comparison of various components
of the sound and vibration fields in each house was then carried
out, which allowed various propagation paths to be distinguished.
A range of further signal processing analyses was also employed to
aid source determination.
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