An elderly user of the public library where I work has asked me if I can help with the following problem. Any guidance, pointers etc. would be welcome.
In the flat where he lives he has experienced for a long time a low level but disturbing noise coming (presumably) from a neighbouring flat. He has had his hearing checked, and this is not the problem. The noise is detectable both in the day and during the night. He has tried obvious remedies like traditional ear plugs and ear phones (from BOSE) without success.
I am guessing that the noise comes from some electrical or electronic device used by a neighbour which either produces a direct sound or some sort of other energy on the electromagnetic spectrum which registers on his hearing sense.
Since attempts to block out the noise have failed, he (we) wonder if there is any device which could generate counterwaves which might break up the incoming pattern and neutralise it.
With nothing more than a knowledge of fairly basic physics at my disposal, this is rather beyond me. Can anyone offer any suggestions as to possible causes, possible remedies, or sources of help. The gentleman is a pensioner, but this has become such a nuisance for him that he would be prepared to pay up to a few hundred pounds for a reliable diagnosis and cure.
Any acoustics experts or buffs out there, please let me know your ideas!
I suggest:
http://www.association-of-noise-consultants.co.uk/
Local directories (Yell, Thomson) under noise and/or acoustic consultants
Try the knowledgeable library/info service people at BSRIA
http://www.bsria.co.uk/content/?content=library+card
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