ISO 226:2003 声学.标准同响度级等值线

标准编号：ISO 226:2003

中文名称：声学.标准同响度级等值线

英文名称：Acoustics — Normal equal-loudness-level contours

发布日期：2003-08

标准范围

本国际标准规定了纯连续声调的声压级和频率的组合，人类听者认为这些声压级和频率同样响亮。规范基于以下条件:在没有听者的情况下，声场由自由渐进平面波组成；声音的来源就在听者的正前方；声音信号是纯音；声压级在听者头部中心的位置测量，但在听者不在场的情况下；倾听是双耳的；听者为耳科正常人，年龄在18岁至25岁之间（含18岁至25岁）。

This International Standard specifies combinations of sound pressure levels and frequencies of pure continuous tones which are perceived as equally loud by human listeners. The specifications are based on the following conditions: the sound field in the absence of the listener consists of a free progressive plane wave; the source of sound is directly in front of the listener; the sound signals are pure tones; the sound pressure level is measured at the position where the centre of the listener's head would be, but in the absence of the listener; listening is binaural; the listeners are otologically normal persons in the age range from 18 years to 25 years inclusive.

标准预览图