The test is evaluated by a noise expert.

He sits in the car and listens for unwanted sounds during the test. He can rely on his own hearing, but he also has an electronic stethoscope at his disposal to examine the source of the noise more accurately.

Additional info

File type: JPG
File size: 13 MB
Dimensions: 6951 × 4634 px
Published: 4. 8. 2022
Related article: Shake it and listen