标准号:SIS SS-ISO 454-1985
中文标准名称:声学.在扩散声场和在一个正面事件的自由领域相同的响度之间的窄频噪音声压级关系
英文标准名称:Acoustics — Relation between sound pressure levels of narrow bands of noise in a diffuse field and in a frontally-incident free-field for equal loudness
发布日期:1985/2/15 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This International Standard specifies, for the frequency range 50 to 10 000 Hz, the difference (in decibels) betweensound pressure levels for equal loudness of narrow bands of noise in diffuse and frontally-incident free-field conditions respectively.