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Sounds in the Ocean at 1–100 Hz - University of Washington faculty washington edu/wilcock/files/PaperPDFs/wilcocketal_annrev_2014 pdf 17 juil 2013 Very-low-frequency sounds between 1 and 100 Hz propagate large dis- For frequencies below 100 Hz in shallow water, mode representations
Sound Insulation of Building Elements at Low Frequency www sciencedirect com/science/article/pii/S1876610215018597/ md5=3a96b63333245048994a86163f9b51d7&pid=1-s2 0-S1876610215018597-main pdf In recent years an increasing interest in building acoustics measurements at low frequencies (i e below 100 Hz, and typically from 50 Hz) has been observed
Measuring absorption below 100Hz with a particle velocity openresearch lsbu ac uk/download/8112e65e15d710b19d2e39722ffb3d764e9d07a0cb410bc24a6a1b4148e47514/1387641/Doug 20Shearer_Formatted 20Paper 20for 20Hamburg 20v6 pdf Keywords: Sound, Absorption, Measurement, Intensity, Low Frequency concentrated below 100Hz, i e frequencies of interest in this setup, so a solution
Human hearing at low frequencies - National Wind Watch docs wind-watch org/Pedersen-human-hearing-low-frequencies pdf it was believed that humans could not hear frequencies below 20 Hz - hence the term 100 120 140 Frequency [Hz] Sound pressure level [dB re 20 µ
A3-20-Hz-Why pdf - The Association of Noise Consultants www association-of-noise-consultants co uk/wp-content/uploads/2016/06/A3-20-Hz-Why pdf sound below 100 Hz, yet footfall noise in lightweight separating floors, a very common cause of 'Neighbour Noise Annoyance', is normally at frequencies
“Guidance” to Counter Low Frequency Noise Problems www env go jp/content/900450103 pdf the 1/3 octave band is below the reference values at all frequency ranges, check if there are noise of 100 Hz or higher or other factors such as ground