), which measure the objective physical pressure of a sound wave, the is a unit of subjective loudness. It was proposed by psychoacoustics pioneer Stanley Smith Stevens in 1936 to better reflect how human ears actually perceive changes in volume.
), which measure the objective physical pressure of a sound wave, the is a unit of subjective loudness. It was proposed by psychoacoustics pioneer Stanley Smith Stevens in 1936 to better reflect how human ears actually perceive changes in volume.
