Optimal högtalarplacering i en lastbilshytt
This Degree Project was about finding the best loudspeaker placement in a heavyweight truck and also the best suited loudspeaker for this task. The project took place in Södertälje, Sweden, on behalf of Scania CV AB. The goal was to create a new listening environment in a truck cabinet.The results were accomplished by the performance of a few different tasks. First a benchmark was made on Scanias top competitors. Second a listening test was made to get an apprehension of what people find lacking in the sound reproduction of the sound system. Finally a new speaker system has been developed from comparing the results from experimenting with listening to temporary loudspeakers in different positions with the results from a reciprocal modal analysis and the information gained from the listening test.The conclusion of the project is that the position of the door speakers should be moved forward and that the tweeters should be replaced by full range speakers which should be placed in the upper interior above the windshield. It?s also important that the speakers are on-axis towards the listener.