sound level monitoring Articles
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Is The `Beep` Noise Pollution?
It is rare these days that you can be somewhere without noise pollution intruding on some level. Many natural noises may be welcome; a dawn chorus or waves breaking on the beach, but when it comes to man-made decibels it’s a different matter. Never mind the sounds of cars, ring tones and other noises that we take for granted, have you ever noticed how utterly surrounded we are by the ...
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DuPont LoWave Acoustic Material with Low-Frequency attenuation case study
A major U.S. manufacturer of laboratory equipment was concerned that one of its newest pieces of equipment would not gain widespread acceptance in the marketplace due to its high overall noise level and unpleasant sound quality. Company officials needed to improve the sound signature of the equipment improving the comfort level of people working around it, without altering product design in a way ...
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Festival music never sounded so good
Jochen Schaal, Managing Director at SoundPLAN GmbH – a market leader in sound and air pollution mapping software – looks at the developments in understanding and mitigating nuisance noise at open air events. Introduction Music festivals have been popular for decades, with millions of attendees across the globe at events such as Lollapalooza in Argentina and Chile, Glastonbury in ...
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Thinking outside the box with Quantum
We’re launching our brand-new cloud-based noise monitoring solution at Autosport International Engineering. More than just a black box, Quantum is a noise monitoring solution that has been designed in conjunction with some of the UK’s biggest theatres and entertainment venues. The Quantum will revolutionise the way you measure sound levels and protect people from the risks associated ...
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What are decibels, the decibel Scale and noise measurement units?
What is the decibel scale The human ear is an extremely versatile and amazing hearing device. It has a clever in-built mechanism that reduces its own sensitivity as the sound level rises and it also has the remarkable ability to handle an enormous range of sound power levels. It can hear the sound of a pin dropping close-by as well as the roar of a jet engine far away. Although the ear can ...
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Noise Level Meters for Controlling Noise at Work
Noise level meters are sophisticated devices used to determine the sound level by capturing and measuring changes in sound pressure. They tend to be hand-held and will be pointed towards the source of noise. Put simply, sound enters the noise level meter via a small microphone. It is then processed and measurement data or values are displayed digitally in decibels to inform the user if an ...
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Grab £1000 of free benefits with the dBAdvantage Card from Cirrus Research
The dBAdvantage Card from Cirrus is the quick and easy way to grab £1000 of FREE benefits when you buy a Cirrus sound level meter or doseBadge noise dosimeter kit. As a dBAdvantage Card member you’ll automatically get access to the following benefits: 1. A FREE place, each year for 3 years, on a Cirrus Product Training Course worth £750 2. A 10% discount on the costs of ...
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ACOEM: DUO introduces the “Smart Noise Monitor”
A new generation of Environmental noise measuring instruments, devoted to: Classical hand-held sound level meter measurements, using the built-in keyboard and screen or a wireless remote control (Wi-Fi, 3G), Short, medium or long-term stand-alone measurements, the operator having full remote control of the instrument. The “Smart Noise Monitor” DUO is particularly well suited ...
By ACOEM GROUP
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How Often You Should Calibrate A Sound Level Meter
Do you calibrate a sound level meter frequently? Most sound level meter users know they must calibrate their sound level meters but a questions I frequently get asked if “how often?” Here’s my best practice advice so you can calibrate with confidence. What Do We Mean by Sound Level Meter Calibration? Before we go into the how often you should be calibrating, I just want to ...
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Industrial Noise - Case Study
The Client Wyeth Nutrition operate a food manufacturing plant in Limerick which manufactures infant nutrition products that are supplied to customers all over the world. The company have an excellent relationship with the local community and source the majority of their supplies from the surrounding area. The team at the plant also work closely with the EPA to ensure that the factory operates at ...
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Case study - Pinpointing low level sanitary noise in apartment building
Problem A newly built apartment building consists of several floors with multiple apartments on each floor. One of the ground floor apartments is disturbed by sanitary noise from the apartment above, which is heard whenever the toilets in the top apartment are being flushed. The sanitary noise is heard in several rooms, and the level was measured to be around 30 to 35 dB, which is above the ...
By Norsonic AS
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In-situ noise level mapping for vehicle floor carpet
Noise level mapping of test vehicles' floor carpets was undertaken for three frequency bands, that is, low-(2,000 Hz) to compare noise control treatment performance and effectiveness. On-road tests including idling conditions and constant speed tests of 40, 60 and 80 kph were undertaken. Noise level contour maps indicate that the luxury class test vehicle is most affected by very low-frequency ...
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Noise induced hearing loss: how can you start monitoring your workforce?
An estimated 20,000 people working during the last year suffered from noise induced hearing loss (NIHL), new as well as longstanding cases, caused or made worse by work.[1]The cause of NIHL is preventable but the affects are permanent, resulting in life changing injuries that can seriously impair a workers’ quality of life. Industries with the highest incidences of NIHL include ...
By Casella
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Sound level meters from PCE Instruments for any application
PCE Instruments manufacture and sell high-quality sound level meters for any application: from small hand-helds for home use to portable sound level cameras for localisation of a source of noise in large buildings. A high number of people has to deal with inacceptable noise levels in private and/or work environments. Noise is a very individual parameter and is not clearly definable. It is ...
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Hospital noise at night exceeds WHO recommended levels
Lack of sleep due to hospital noise on wards is a problem for many patients around the world as sleep plays an important role in regulating the impact of pain and the immune system as well as people’s mental and emotional well-being. It, therefore, follows that there is growing evidence that shorter and poorer quality sleep in hospitals is linked with slower patient recovery and longer ...
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Understanding A-C-Z noise frequency weightings
What are the different frequency weightings and why do you need to know? Understanding the difference between noise frequency weightings may be one of the most important things you need to know about when measuring sound. This is because picking the wrong one on your sound level pressure meter could result in your results being irrelevant for the purpose and at worst invalid (not legally ...
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Why you should use a windshield with your sound level meter
We are often asked about the use of the windshield that is supplied with our noise measurement instruments. We agree, it does not look much and can be a bit cumbersome. However, a windshield is an important accessory. We recommend that you have it to hand with you at all times and use it both indoor and outdoor while taking measurements. A windshield comes as standard with our complete sound ...
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Pulsar Top Tips to Safeguard Employees’ Hearing from Noise - Are you following the guidelines?
Your employees' hearing is worth protecting According to the HSE, over a million of workers in the UK are exposed to levels of noise at work which put their hearing at risk. If asked, would you be able to prove that you are following the guidelines? Here is a useful reminder produced by Pulsar covering the main employers' responsibilities towards the control of harmful noise levels in a work ...
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Organise a Factory Noise Measurement kit
If you are an employer or person in control of noisy premises, you are expected to reduce the risk of damage to the hearing of your employees from exposure to noise to the lowest level reasonably practicable. If the noise exposure on a daily or weekly basis are above certain values, you must carry out a noise risk assessment of the working environment and record your findings. Therefore a ...
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Difference between Class 1 and 2 Sound Level Meters
What is the difference between a Class 1 and a Class 2 Sound Level Meter? The answer to this can be quite complex, but to put it simply: A Class 1 sound level meter is generally seen as more accurate than a Class 2 meter; and, A Class 1 sound level meter is able to measure sound over a wider frequency range than a Class 2 meter. The technical difference The Class of a sound level meter ...
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