5 Unusual & Interesting Acoustic Webpages

Many of our readers spend their days studying or solving noise problems. In our day-to-day work it’s often easy to forget some of the more unusual applications and miss out on the more interesting side of acoustics. So we have gathered together 5 examples of unusual or interesting acoustic work. If you know of any other out of the ordinary acoustic applications or websites then please leave a comment in the box at the end of this post. (more…)

Continue Reading5 Unusual & Interesting Acoustic Webpages

Developing an Algorithm for Tick Detection

An investigation was made of a sample of automotive components where some were exhibiting a high frequency “tick” or rattle during each operating cycle. This feature could be heard above the normal operating noise. The problem this posed was to measure and analyze components in an objective fashion and classify components as “good” or “bad”.

(more…)

Continue ReadingDeveloping an Algorithm for Tick Detection

Removing A-Weighting From Time History Signals

It sometimes occurs that signals are captured with A-weighting applied to the data by the acquisition device. This can be a problem if, for example, you wish to use the data in a hearing test or to use it for a structural vibration analysis. Now, A-weighting allegedly mimics what the ear does to a signal. If we play back an A weighted sound then we perceive a double A-weighted signal which is clearly not intended. When doing structural work it is usually the lower frequencies, say 2kHz or less, that is generally required. A-weighting seriously attenuates the low frequencies and also applies gain above 1kHz.

(more…)

Continue ReadingRemoving A-Weighting From Time History Signals

Prosig Announce New Braking Analysis Tools

  • Post author:
  • Reading time:3 mins read
  • Post comments:2 Comments
  • Post category:news

Prosig are pleased to announce the launch of two new tools to assist engineers in the measurement and analysis of noise and vibration issues in braking systems.

Controlling noise and vibration from brakes is crucial to subjective customer satisfaction and problems of this type are one of the biggest contributors to warranty costs. Therefore, it is important to be able to accurately and quickly measure and analyze the various phenomena that can cause problems. In addition to all the standard NVH & Refinement tools that Prosig provide, there are now two specific products to address the needs of braking engineers.

(more…)

Continue ReadingProsig Announce New Braking Analysis Tools