The noise from vehicles such as cars, buses and trucks is wide spread with many people being affected by these noise sources in their daily lives. All modern vehicles will be designed to meet strict safety and emissions standards as well as noise output levels. All vehicles sold in the EU must comply with a range of noise directives to ensure that they meet these specified noise levels when they are sold and many countries enforce regular checks over the life of the vehicle. Motor Sport noise is a often a source of enjoyment for those taking part and for spectators. The impact of motorsport activities on the surrounding environment is also of major concern to many people who live near to venues as well as to those operating the circuits, tracks and venues.
By Cirrus Research plc based in Hunmanby, UNITED KINGDOM.
Traditional Field Pass-by measurements are still the only way to certify a vehicle for exterior noise emission during operation, but Indoor Pass-by provides an extremely powerful and repeatable method of troubleshooting exterior vehicle noise in the controlled environment ofan anechoic chamber.
By Brüel & Kjær Sound & Vibration Measurement A/S based in Nærum, DENMARK.
Engine and vehicle emissions testing involves complex routines and audit regimes to meet with exacting modern legislation. The methods for measuring gases are also prescribed by the relevant authority and so you might imagine that the equipment for emissions testing is all the same. Signal take a different approach to our competitors. By designing bespoke systems from a selection of standard modules, we supply all the equipment and features you require, but nothing that you don`t. This makes our systems the most cost effective solution, particularly when upgrading or for non-standard combination testing
By Signal Group Ltd based in Camberley, UNITED KINGDOM.
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