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Technical posts on magnetic noise and vibrations

Welcome to EOMYS e-NVH University ! You will find here a wide number of technical notes on magnetic noise and vibrations of electrical machines based on EOMYS Engineering consulting, testing, simulation and research experience. Interested to know more ? Check our training website for e-NVH courses.

What is acoustic loudness?

Context There are differences between sound parameters we measure physically and the sound perception we have as humans. For instance, we are used to describe

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What is sharpness?

Definition Sound perception is a subjective phenomenon depending on both physical and cognitive factors. The aim of psychoacoustics is to better understand the human perception

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What is tonality?

Definitions A tone is a sound composed of a single frequency component. Sounds we hear can be either pure tones (e.g. a whistle in a

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What is psychoacoustics?

Context Hearing is a cognitive phenomenon : auditive perception can be improved with experience, but it can also diminish with age, hearing fatigue or traumatism.

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What is masking effect?

Definition Some sounds may no longer be perceived when combined with an additional sound: this effect is called masking. There are two forms of masking

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