Bruel & Kjaer UK Ltd. - PRODUCT NEWS
Sound Testing Equipment with a wireless link.
Earlier this month, the London Borough of Richmond became the first council to use Bruel and Kjaer's sound testing equipment with a wireless link to monitor concert noise levels and reduced the number of staff it usually needs at this type of event.
This system, which has a direct cost benefit to the local authority and residents, was set up by Richmonds Environmental Health Officers (EHOs) using Bruel and Kjaer UKs state of the art measuring equipment to create a link from inside the stadium to a monitoring point near a local residential area, ensuring the concert didnt break the legal music noise levels for the stadium.
The equipment used - Bruel and Kjaers 2250 sound level meter - provides concurrent measurement of one minute and fifteen minute LAeqs - the formula designed for calculating sound as an average. If the one minute value indicated that the fifteen minute LAeq was likely to exceed the stadium's licence, it allowed EHOs to send advance warning to the sound engineer controlling the music levels.
A spokesperson from Richmond Council said: The beauty of this system is that it allows officers to be at the mixing desk and see what the noise level is outside the stadium, where local residents could be disturbed. If noise levels rise in excess of the permitted figure, they can instantly feed this information back to the sound engineer so that he can reduce the level accordingly.
About Bruel & Kjaer
Brüel & Kjær is a world-leading manufacturer and supplier of sound and vibration solutions for use in a wide range of applications including environmental noise measurements, building acoustics, vibration measurements and quality control for use in the automotive, aerospace and consumer industries, as well as by local authorities. Today Brüel & Kjær has 900 employees and sales offices in 55 countries. Brüel & Kjær is a subsidiary of UK-based Spectris plc. (www.spectris.com). Spectris has annual sales of approximately £656m and employs around 6000 people worldwide in its 15 business units.
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