Definition The room equivalent absorption area, , is used to characterize the acoustic absorption capacity of a room. The acoustic absorption of a given room… Read More »What is the room equivalent absorption area?
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… Read More »What is acoustic loudness?
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… Read More »What is sharpness?
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… Read More »What is tonality?
Context Hearing is a cognitive phenomenon : auditive perception can be improved with experience, but it can also diminish with age, hearing fatigue or traumatism.… Read More »What is psychoacoustics?
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… Read More »What is masking effect?
EOMYS presented at ISEF 2019 held in Nancy (FR) on 30th August 2019 a presentation on numerical challenges of vibroacoustic simulation of electrical machines, including… Read More »[ISEF 19] NVH simulation of e-motors, numerical challenges and application with Manatee software
Definition In acoustics, Sound Power Level (SWL) characterizes the intrisic acoustic power of an acoustic noise source, whereas Sound Pressure Level (SPL) characterizes the acoustic… Read More »What is the difference between Sound Pressure Level (SPL) and Sound Power Level (SWL)?