Case study Case Studies

Coupled sound and vibration analysis

  • Automotive parts
  • Vibration test case study
  • Squeak and rattle

Multi-axis excitation is also possible.

Test overview

■ Purpose

To measure the abnormal noise of each part of the car seat and check whether it is within the vehicle manufacturer’s specified values to identify abnormal noise sources and consider solutions.


Automobile seats, dashboards, doors, etc.

Test state image 1

Test state image 2


Facilities used
  1. Low-noise vibration testers
  2. Semi-anechoic or low-noise rooms
  3. Acoustic analysis applications (O-Scope 2 made by Ono Sokki)