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
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
Results are reported and discussed along with the uncertainty in the measurement Keywords: Sound, Absorption, Measurement, Intensity, Low Frequency 1