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Fred

Measuring road noise on the go with CoMeT CPX

Do you want to know the noise reduction of a road? Do you want to check if a road constructor delivered a quiet road surface according to your specification? We have a measurement system that can answer these questions: CoMeT CPX.

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Jan

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Measuring, modelling and experience

Noise and air quality are tested and assessed using calculation models. Why aren’t measurements used? How can measurements and models complement each other to form an assessment that best matches the perception and experience in the environment itself?

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Ard

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Edwin

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Noise from railway sidings in the new Environment Act

It is always difficult to explain that, under current legislation, the noise of a particular train in a timetable is covered by certain standards and calculation and measurement methods, but the noise of the same train outside the timetable is covered by industrial noise with ot

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Ard

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Wout

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Rapidly measure noise, roughness and track defects with ARRoW

ARRoW is short for “Acoustic Rail Recording on Wheels” and consists of a measurement system on the train and analysis software. The measurement system measures the noise and vibrations close to the wheels of the train, along with the position and speed.

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Judith

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Erik

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Theodoor

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New noise standards: what does the Environmental Act mean for urban development?

In the coming years, municipalities will have a major task when it comes to building new homes. The Environmental Act is fast approaching.

by:

Ronald

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Bert

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Ard

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Cleaner and quieter vehicles in the Low-Emission Zones of cities thanks to the NEMO project

M+P is part of the consortium working on the NEMO project for cleaner and quieter vehicles in Low-Emission Zones (LEZ) of cities.

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Christiaan

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Erik

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Erik

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Directly measuring the influence of road design on CO2 emissions from traffic

Directly measuring the effect of road design on the fuel consumption of traffic in high resolution provides insight into the possibilities of reducing CO2 by improved road design.

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Ronald

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Richard

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Measuring with Yasmin (1/50)

No, Yasmin is not one of our M+P colleagues. It is the name of our measuring system. And an ingenious one to boot. Yasmin is able to work without anyone around, and can be monitored remotely.

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Wout

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ARRoW vliegt mee over HSL-Zuid (3/50)

Acoustic Rail Recording on Wheels (ARRoW) if we use the full name of the measuring equipment that can reveal everything

Kantoormedewerkster achter de pc straalt tevredenheid uit.

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Tom

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MACH measuring system: ’Sometimes, you need the peace and space to have a conversation without eavesdropping’ (4/50)

Measuring Acoustics for Comfort & Health, or MACH for short, is a measuring system that can monitor noise levels on an of

by:

Fred

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Wanted: kilometres of concrete for acoustic tests (9/50)

42 test sections, varying in length from 20 to 80 metres, and 20 sets of tyres were needed. The location to be used for the tests also had to be in a quiet area. After all, this concerned acoustic measurements.

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Ard

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Software development – GeluidRegister 2 is on track (10/50)

A very pleased project leader, a major challenge that was quickly solved (much to the surprise of the client), and a proud senior M+P consultant. What we are talking about here is the ProRail project, which was started in 2020 to develop a new software application in collaborat

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Richard

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Edwin

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The hoarse roar of the sea lion male (12/50)

Animals can cause noise pollution with their barking, roaring or screeching. On the other hand, some animals are bothered by ‘our’ noise. Nesting birds for example.

auto met meetapparatuur op de testtrack van Scania

by:

Wout

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MarkJan

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Checking test track surface worldwide (15/50)

Manufacturers from all over the world ask M+P to certify their test tracks: stretches of road surface to test whether new tyres or new vehicles are making too much noise.

by:

Bert

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Erik

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Artificial Intelligence and Machine Learning: the future of sound in pictures (16/50)

There was no such thing as Artificial Intelligence 50 years ago. But senior advisors Bert Peeters and Erik van Gils have been getting to grips with it for several years now. With 19 years and 13 years with M+P respectively, they now have the necessary experience.

by:

Mark

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Patrick

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Measuring at all hours (19/50)

For the measurements we take at M+P, we are often on the road at unusual times and locations.

by:

Fred

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Patrick

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Huh? An engineering firm that sells measurement systems? (20/50)

We don’t advertise it, but the niche measuring systems market around the world is fully aware of the quality of M+P equipment.

by:

Jan

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The beginning of M+P – 2. Alexander von Meier, director from the very beginning (23/50)

When Dr. Alexander von Meier, Alex to his M+P colleagues, returned from South Africa in the early 1970’s; at the time he was ready to put his acoustic training and experience into the European sound industry. He was introduced to Müller-BBM by his former professor Dr.

enorme antenne steekt door het open dak van een auto

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Ard

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Een zondagochtend in Amsterdam (28/50)

Sometimes you have to get creative in order to achieve your goals. Gijsjan van Blokland, former managing director and senior consultant at M+P, agrees.

Een mast met microfoons staat langs de weg om wegdekgeluid te meten

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Ronald

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How M+P helped the Netherlands become a leader in quiet road surfaces (26/50)

The Netherlands leads the way when it comes to innovations in quiet road surfaces. This is partly due to the research and many measurements carried out by M+P.

Alex achter de piano, met zijn vrouw Renate en de aannemer bij opening pand Aalsmeer

by:

Jan

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The beginning of M+P – 3. Memories of Dr. Alexander von Meier (24/50)

Between 1971 and 1996, when he ended his duties as director of M+P, Dr. Alexander von Meier – Alex to employees – had some great experiences that turned into some very vivid memories.

Roy, Christiaan en Jan voor de keet bij Proeftuin luchtkwaliteit

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Christiaan

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Roy

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A Testing Ground full of noise barriers and measuring equipment (32/50)

Specially designed sound barriers that changed shape every 3 months, 13 measuring points behind and next to the barriers, and a mountain of measuring equipment. The Testing Ground for air quality was a major study commissioned by Rijkswaterstaat.

betonskelet van het M+P-kantoor in Aalsmeer

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Jan

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How M+P flourished in Aalsmeer (29/50)

When we grew out of our first office as M+P - the ground floor of a block of flats in Amstelveen - we bought an abandoned, half-finished building in Aalsmeer. ”A good choice,” says former colleague Cees Sangers.

by:

Jan

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How M+P became big by tackling industrial noise (31/50)

With the emergence of noise legislation, M+P received an increasing number of large assignments from governments.

wegdek met ZOAB en dicht asfalt na een regenbui; bij ZOAB geen stuifwater

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Jan

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M+P: famous for quiet road surfaces (36/50)

Many people know M+P because of our work on quiet road surfaces. Our research is well covered in a recent book on the silent innovation OAC.

plattegrond van fabriekshal met handmatig ingekleurde zones voor geluidniveau

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Jan

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Addictive: Browsing the Archives of M+P (37/50)

Thousands of reports on one USB stick: looking back at how colleagues worked decades ago has never been easier. ‘You can see connections to our present day all the time; it's addictive’, notes director Jan Hooghwerff.

zwartwitfoto uit 1972: flat dicht op de A10

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Jan

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Lessons Learned from 1972: Noise Pollution Along the A10 (38/50)

At M+P, we have been dealing with noise pollution from passing traffic and its effects on quality of life for 50 years. Has all this research truly improved the situation? Absolutely!

$een trein rijdt voorbij een meetopstelling bij een diffractor$

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Wout

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Edwin

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Increasingly quieter train tracks (39/50)

In our densely populated country, people quickly get annoyed when a train flies past. Limiting such annoyance is crucial, especially if we want to make more intensive use of the environmentally friendly train tracks.

mast met microfoons aan een paal in het water met een boot ernaast

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Patrick

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Patrick

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Creative Solutions to Measurement Practice Challenges (41/50)

Our measuring technicians Patrick Boelens and Patrick Meelen frequently encounter it.

instrument om trillingen te meten naast een spoorwegovergang waar een trein langskomt

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Ard

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Marc

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Track vibrations are often only noticed when there's no noise (42/50)

On the table is a coffee cup. The room is silent. And then, as if it is being awakened, the spoon in the cup begins to rattle. Briefly. The cause? A passing freight train. You can't hear this train thanks to a noise barrier. But you can feel it.