What’s the difference between a sound level meter and a noise dosimeter?
I’m relatively new to the world of acoustic measuring and noise measuring equipment, and one of the very first questions I found myself asking was “what’s the difference between a sound level meter and a noise dosimeter?” Thankfully, the distinction...
What’s causing noise pollution in offices?
An interesting study has emerged this week that points to a big increase in the levels of noise pollution in offices, and it’s all thanks to the popularity of open plan office spaces. The open plan office is designed to...
UK Not That Neighbourly When it Comes to Sleep Deprivation
Did you know that UK adults lose a staggering 84.1 million hours of sleep every week as a direct result of noisy neighbours? Well, so says new research. This research has been conducted by an insurance company, so just how...
A Dosimeter for the Future: a History of the doseBadge
In 1995, a team of young engineers at Cirrus Research set to work on revolutionising the design and functionality of noise dosimeters. Learn more about their work and journey, by reading our brief history of the doseBadge.
The Importance of Measuring Noise: A Real-Life Story
At Cirrus Research, we have been following the case of a viola player who suffered a life-changing hearing injury that left him unable to work or even listen to his own son play, after he won a landmark High Court...
Is Noise Pollution as Damaging as Air Pollution?
Some scientists are claiming that noise pollution is beating air pollution in urban areas when it comes to having a detrimental effect on people’s health. Read what one of the leading Spanish health experts has to say and see if...
What is reverberation time and how is it calculated?
One of the most common questions we get asked is about reverberation time. So, we thought we’d provide an answer! What is the reverberation time of a room? Reverberation time is the time required for the sound to “fade away”...
Calculate Reverberation Time (RT) with the new NoiseTools Module
We’re pleased to announce the release of our new NoiseTools extension module which allows for the calculation of reverberation time in accordance with ISO 3382-2:2008. Using information measured using a suitable Optimus Sound Level Meter, the module allows the calculation...
What’s the difference between echo and reverberation?
This is a question that we get asked quite regularly, especially from customers who are coming across the measurement of reverberation for the first time. I recently came across a simple, clear explanation that was written by Harout Taghilian who...
Traceable calibration of vibration meters
If you are using vibration measurement instruments to meet regulations such as The Control of Vibration at Work Regulations, it’s essential that your equipment is measuring accurately and that you are getting data on which you can rely.