Sound1.01 and Environmental Noise. Presented to the Young RMLA by Siiri Wilkening. On the menu. Sound 1.01 NZ NoiseStandards Road Traffic Noise Construction Noise. Physics of sound. Sound is a pressure fluctuation, travelling in waves
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Presented to the Young RMLA by
Frequency & wavelength of everyday sound
Typical sound pressure levels
Halving/doubling of loudness
More than a halving/doubling of loudness
Sound Level (dB)
1 - 2
3 - 4
5 - 8
9 - 11
Impact / RMA Effect
Negligible/less than minor
No! Need at least 100m of dense bush for 3 dB reduction
No! Too light to insulate against noise.
No! Sound travels in all directions.