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OS-0522 Notice regarding malfunction of FFT analysis function

Thank you for your continued patronage of our products.

We have discovered a defect in the "OS-0522 FFT Analysis Function" optional software for Sound and Vibration Analysis System, O-Solution. As a result, we have temporarily suspended the download service. We sincerely apologize for any inconvenience this may cause our customers. We will report the details of our response to customers, the cause of this issue, the measures taken, and our plans to prevent recurrence as follows.

Target Products

Product name Sound and Vibration Analysis System O-Solution "OS-0522 FFT analysis function" (software option)
software Version 1.0.14 to Version 3.1.4

Details of the problem

When the frequency zoom (*) of the FFT analysis function is turned ON and the frequency response function is analyzed, incorrect "attenuation ratio," "loss coefficient," and "peak frequency" are output in the graph list display and CSV export process.

* A function that allows analysis with high frequency resolution by setting the center frequency and frequency span.

  • Problem Description_No.1
  • Bug Description_No.2

cause

When calculating the "attenuation ratio," "loss coefficient," and "peak frequency" of the frequency response function, the center frequency was not taken into consideration, and calculations were performed using incorrect parameters.

correspondence

Downloads resumed on Thursday, September 21, 2023.
The issue will be resolved by installing the updated software.
The corrected version will be Ver.3.1.10.
By reloading the analysis data (with the .datx extension) using the corrected software, the correct "attenuation ratio," "loss coefficient," and "peak frequency" will be output in the graph list display and CSV export process. There is no need to reanalyze using time series data.

We apologize for the inconvenience, but please download the corrected software from our website.
Please install the corrected version and use the updated software.

How to download

Clicking the "O-Solution/DS-5000 Sound and Vibration Analysis System User Registration Download" button below will take you to the "Login/Download" page. If you are already a registered user, please proceed using the "Login" button. (If you are not yet registered, please proceed to "User Registration.")

preventive measure

We will review our design process and improve the quality of our reviews and tests to prevent recurrence. We appreciate your continued support.

Regarding inquiries

If you have any questions, please contact our customer service department or your nearest sales office.

The information on this page is based on the information available at the time of publication.
Please note that if product sales are discontinued, organizational changes are made, or specifications are changed after publication, the information may differ from the latest information.

This page is created by an automatic translation system based on the information in the Japanese version. Details