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Acoustical Holography

With more than 30 years’ experience in Automotive, Aerospace and Industrial applications, dBVision with OROS presents a precise, flexible Acoustical Imaging system with light and mobile equipment.



By applying Nearfield Acoustical Holography, finding out the acoustical hot spots, it is an efficient tool of the customer for acoustic signature management.

Main Features

  1. Cabin noise source localization
  2. Engine noise localization
  3. Component noise localization

Noise Source Localization

OROS can provide the best accuracy in noise source localization, the most operational process for capturing the real measurement situation (RELAX technology) and the source quantification through immediate radiated power evaluation (global & partial) depend on the whole package includes Data Acquisition Processing/Analysis/Display software.

Data Acquisition

Designing and manufacturing noise and vibration analyzers, from 2 to 32 channels, OROS provides the whole package for your application.


  • Acquire data from the array and reference sensors
  • Provide real-time indications of data quality
  • Store the processed data for subsequent detailed NAH analysis

dBVision Software Package

  • Configuring the acquisition system, monitoring real-time signal and storing pre-processed data
  • Performing basic and advanced data processing and analysis functions
  • Displaying results (spectra, colormaps, etc)

OROS Software
R&D, Acceptance, Diagnostics

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