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STUDY * Sweden - Not all noise from trucks is bad
Experienced truck drivers prefer sound that provides them with information about how the journey is proceeding and they do not view information-bearing sound as a disruption
Goteborg,RG, Sweden -The Swedish Research Council/Informationsdienst Wissenschaft (Bayreuth,NRW,Germany) -28 May 2008: -- The sound in a truck cab should not be regarded simply as disruptive noise that should be suppressed when building trucks. Experienced truck drivers prefer sound that provides them with information about how the journey is proceeding and they do not view information-bearing sound as a disruption... This has been demonstrated by Anders Genell at the Division of Applied Acoustics at Chalmers University of Technology in Goteborg,RG, Sweden... He has carried out a series of tests using a model truck cab, where the subjects are exposed to different sound images and sometimes vibrations in the steering wheel and floor. The emotional reactions were examined using two test groups - experienced truck drivers and students... Examples of sound which the drivers want to hear is sound that indicates when the engine is working as it should when under pressure, such as on an incline or when accelerating. In addition, they want a discreet engine sound in order to be able to listen to talking books or music. They also want some sound from the tyres on the road surface, which among other things provides them with information about how slippery it is. The dissertation also shows that an overall approach to sound and vibrations must be taken in order to create a good working environment. If you influence one of the sources of sound or vibration then the perception of all the others is changed...
Labels: trucks' noise
posted by Unknown @ 4:20 PM
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