BS 3383:1988被替代
Specification for normal equal-loudness level contours for pure tones under free-field listening conditions
出版：British Standards Institution
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基本信息
标准编号： BS 3383:1988
发布时间：1988/2/29 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：12
标准简介
Specifies, for the condition of equal loudness and certain other stated conditions, relationships between sound pressure levels and frequencies of pure continuous tones. These are expressed by means of a bilinear equation for the preferred frequencies in the one-third octave series from 20 to 12500 Hz. A graphical illustration is included.
标准备注
© British Standards Institution 2013
本标准替代的旧标准
替代本标准的新标准
等同采用的国际标准
ISO 226:2003 - Identical
