you tube Darrell Dammen and hear and see My Hum maybe it sound like yours On Monday, June 10, 2013 9:06:58 AM UTC-4, Trev wrote: > > Interesting work Luca.. > I have to be honest and say it doesn't sound like my hum. Quite a low > level to get through my PC speakers maybe didn't help. > Did you get a harmonic frequency analysis at the same time- ie:spectral > spot freq peaks? > What I did pick up was a wider band, less pointed steady hum, than mine. > I know that your measuring gear could be getting part of the story, > though- Hum is notoriously difficult to nail. > ie: It could be co-incidental hum related noise at your location. > The big ?? is- was human hum pick-up detected at the same time and with > similar modulation? > Regards Trev > > > On Friday, 7 June 2013 00:48:10 UTC+1, Luca Rizzardi wrote: > >> Hello. >> I'm Luca, a sound engineer from Italy. >> I am not a hummer, but I spent the last 9 months studying The Hum, with >> the assistance of my university advisor and two hummers of the area. >> I studied a lot of the theories and publications about the phenomenon (in >> particular those of Chris Barnes and Tom Moir), analyzed testimonies and >> data from different forums like this and The World Hum Map and Database, >> studied the behavior of the phenomenon and formulated my hypothesis. >> Finally I have successfully recorded The Hum. >> >> On this link <http://www.youtube.com/watch?v=MhNCdzA6Fmc> you can listen >> to my recording and see the spectrogram. >> Frequency of the noise is around 30 Hz. >> >> This is my >> thesis<http://www.scribd.com/doc/144697878/Luca-Rizzardi-Conservatorio-C-pollini-Padova-The-Hum>, >> >> unfortunately in Italian language. >> I would be happy to exchange some opinions with you. >> >> Luca Rizzardi >> >> >> >> >>
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