Christmas is traditionally hard on the pocket, but it turns out it some of the most beloved sounds of Christmas can be just as hard on the ears as well. We took an Optimus+ sound level meter to measure the sounds of Christmas…
Noise can affect us in every walk of life, but the place we least expect it to cause problems is in hospital. Learn more about the issues of hospital noise and how it can affect both patients and staff.
Due to popular demand, we’ve just extended and added to our host of festive offers! All our offer MUST END at 2pm on Thursday. Check them out below! This is the perfect time to add to your fleet of noise monitoring equipment or to make your first investment! With a range of refurbished Optimus® sound level meters and doseBadge® noise Read More…
The marketing team at Cirrus took a trip to a heritage railway to see which railway noises were the loudest. Was it the steam train? Was it the diesel train? Or was it something else entirely? Read our article to find out.
TIME TO MAKE WAVES AS NOISE SLOWLY KILLS OUR OCEANS Most people who have access to any form of social media or news outlet have become increasingly aware over the last few months, that we are killing our oceans with pollution – plastic, oil, sewage – but there is another form of pollution that doesn’t make the headlines quite as Read More…
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 is relatively simple and a complete novice like me can get to grips with it. So if you’re looking to Read More…
What is the reverberation time of a room? Reverberation time is the time required for the sound to “fade away” or decay in a closed space. Sound in a room will repeatedly bounce off surfaces such as the floor, walls, ceiling, windows or tables. When these reflections mix, a phenomeon known as reverberation is created. Reverberation reduces when the reflections Read More…
Introduction to the Reverberation Time 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 of RT60, RT30 and RT20 values from either an interrupted or impulsive noise source. The module also Read More…
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 is an Acoustic Consultant at Ramboll. Harout wrote: A lot of people are confused about the difference between reverberation and Read More…
What is NoiseAid? NoiseAid is a web-based application that gives you, and your users, a quick and simple way to gather information about the noise sources that they are concerned about. Users can instantly log noise disturbances via any smartphone, tablet, laptop or desktop computer using the simple interface, adding notes when the noise has ended. Details of the noise Read More…
