A closing door, an engine warming up, and the windshield wipers gliding over the windshield - in a vehicle, there are countless sound sources. As a driver, you tend to take little notice of them. Only when something unusual rattles, thuds or crunches do you pay attention and wonder: is something not right here?
However, in a Porsche, all the natural, overlooked sounds produced during normal operation are meticulously harmonized. And not everything is truly overlooked. Some even contribute to the unique Porsche sound. To create this sound and make a journey in a Porsche an impressive and special experience, there are people like David Sadowski.
Sadowski is an acoustic engineer and works at the Zuffenhausen site in quality assurance and analysis. He has been with Porsche since 2015 and previously worked at the Weissach development site. Acoustics play a crucial role there, even in the pre-series of a model. Numerous vibration technicians and acousticians ensure the unique Porsche sound in every new vehicle. In 2018, Sadowski established acoustic quality analysis in Zuffenhausen, where he leveraged his expertise and cross-departmental measurement techniques.
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The various sounds to check on
There are various types of sound analyzed in Sadowski’s department. They receive specifications from the development team and then check the sound design accordingly. They pay attention to the sounds produced by individual components. “The sound of an oil pump, for example, may be overshadowed by the sound of the combustion engine in the overall structure of a vehicle and therefore play a subordinate role,” explains Sadowski. “In an electric vehicle, the oil pump suddenly becomes a relevant factor in the vehicle’s sound design, as the electric motor operates much quieter and masks fewer background sounds - we then have to adjust it so that we can create the typical Porsche sound.”
Even conventional sounds like music or a podcast host are checked. Are all frequencies equally audible in the front right of the vehicle as they are in the rear left? “In quality assurance, we work closely with colleagues in the development department. Every piece of feedback we provide serves to improve the vehicle and the driving experience for the customer,” says Sadowski.
In addition, there are sounds controlled by the driver, such as when someone opens and closes the door. Here too, there are specifications that a Porsche vehicle must meet and that Sadowski’s team checks.
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15 май 2024
