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It might sound like the start of a horror movie, but in reality, it could be a sign of an infestation. Mysterious scratching, rattling, or buzzing sounds can have several explanations.
A Florida man said it all started with strange noises his family heard coming from their attic. Bob van der Herchen, of Englewood, Florida, and his family believed for years that they might have ...
A woman heard weird noises in her home in the middle of the night, and soon learned a stranger was living in her attic.
The source of the sound was most likely a large iceberg as it became grounded. [7] The name was given because the sound slowly decreases in frequency over about seven minutes. It was recorded using an autonomous hydrophone array. [8] The sound has been picked up several times each year since 1997. [9]
Using a combination of sound absorption materials, arrays of microphones and speakers, and a digital processor, a restaurant operator can use a tablet computer to selectively control noise levels at different places in the restaurant: the microphone arrays pick up sound and send it to the digital processor, which controls the speakers to output ...
However, after February 2016, the noise was not heard. The final point was plotted on Dawes' map on February 27, 2016, [4] and the police and fire departments closed the case. Dave Nemeyer, the Forest Grove Fire Marshal, suspected the noise to be "a faulty attic fan or heat pump." [10] [11]
Swedish soldiers operating an acoustic locator in 1940. Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the earth).
When he turns in for bed the night before his flight to Wasserton — before his anxiety gets the better of him — the ambient noise is the light murmur of any city just before midnight.