March 2022 news: Manatee release V2.2, e-NVH test and simulation correlation, new team members
Manatee software news The work on the further development of Manatee software is going on with great steps. We are approaching the third major release
Search Results for: sound quality – Page 2
[SIA-CTTM Automotive NVH Comfort 21] Noise due to electromagnetic forces in automotive application
Acoustic noise sources in Hybrid Electric Vehicles or full Electric Vehicles (HEV/EV) must be controlled to guarantee an adequate level of acoustic comfort to both
[IOA NVEG 21] Noise due to electromagnetic forces in automotive application
Electromagnetic forces can be a major source of unpleasant noise in electric machines. The presentation focuses on understanding how magnetic noise and vibration are generated
[EXACT#4 21] e-NVH measurement and analysis of a SCIM washing machine motor
The presentation first gave a theoretical background on e-NVH and its generation process focusing on switching noise. Then the presentation detailed the experimental test set-up
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
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
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.
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
[CEREMA] Generation process of electromagnetically excited noise and vibration
Authors M. Glesser, K. Degrendele, J. Le Besnerais Status Accepted in Journée Techniques Acoustique et Vibrations, CEREMA Date 2020 Keywords Psychoacoustics, electric powertrain, sound quality,
What is PWM (Pulse-Width Modulation)?
Definition PWM (Pulse-Width Modulation) is a technique initially developed to control electrical machines at variable speed. It is based on the generation of voltage pulses