计算心理声学的一些参数，比如响度，sharpness，粗糙度等等。-Psychoacoustic calculation of some parameters, such as loudness, sharpness, roughness and so on.

Computation of loudness (Zwicker model) according to ISO 532B / DIN 45631 norms. This model is valid for steady sounds. Code based on BASIC program published in the following article: "Program for calculating l

Zwicker响度计算公式，ISO 532B-Zwicker loudness calculation formula, ISO 532B