A Guide to Acoustical Terms – Acoustic References, Terms and Formulas
This booklet has been produced as a guide to acoustic parameters and is intended for anyone who needs a handy... View Article... Read More »
What's new with BS 4142:2014
Environmental Noise Assessments Webinar
Frequency Weighted Filters – A, C and Z Weighting
Frequency responses are used in sound level meters to mimic certain conditions, such as the human ear, by manipulating the levels displayed.... Read More »
How do Environmental Noise Monitors work?
Environmental noise monitors are measurement instruments designed to record noise levels and audio events, generally outdoors at the perimeter of sites.... Read More »
Sound Pressure Level – What is it used for?
Sound Pressure Level, SPL, is commonly written as Lp and refers to the root mean squared sound pressure of a sound relative to a reference value.... Read More »
What are Octave Bands and why are they used?
Octave Bands offer a filtering method of splitting the audible spectrum into smaller segments called octaves, allowing you to identify different noise levels across individual frequencies.... Read More »
Sound Meters – How often should my Sound Meter be Calibrated?
It's well known that Sound Meters need to be calibrated, but how often should you send yours to a laboratory for your Sound Meter Calibration?... Read More »
BS 4142:2014 Rating and Assessing Industrial and Commercial Sound
So what is new with the latest standard for rating and assessing sound of an industrial and/or commercial nature?... Read More »
The Basic Requirements for Environmental Noise Measurements
This paper is set out to investigate the basic requirements for environmental noise measurement parameters to see what is required for the majority of cases.... Read More »