In this blog post series, we will show you how we made a vehicle significantly quieter. It so happened that we were offered the perfect car for this showcase: a Hummer H1. This first post is about the sound measurement prior to treatment.
The solution for improving outdoor acoustics in courtyards, city gardens, or backyards.
One of the few places that allows for a certain measure of reverberation, is a church or prayer room. Proper acoustics ensures intelligibility.
In this second part we will show you how we dealt with the bottom of the Hummer H1.
In part 3 of the Hummer H1 project we will deal with the bonnet.
Following the engine, the tires form a particular source of noise nuisance in the car. Engine noise from passenger cars dominates up to a speed of about 40 to 45 km/h. At higher speeds you mainly hear driving noise.
Doors are, just like the bottom plate, parts of the vehicle that can potentially block a lot of noise. After all, doors form a big part of the total surface of the vehicle and are made from relatively thin sheet metal.
Soundproofing the trunk also contributes to the reduction of noise produced by your car. In part 4 of our showcase we show you how we proceeded with the Hummer H1.