ISO 9295:1988 声学.测量由计算机和办公装置发出的高频噪声
标准编号:ISO 9295:1988
中文名称:声学.测量由计算机和办公装置发出的高频噪声
英文名称:Acoustics — Measurement of high-frequency noise emitted by computer and business equipment
发布日期:1988-11
标准范围
规定了在11.2 kHz至22.4 kHz的频率范围内,以16 kHz的中心频率测定声功率级的四种方法。前三种方法基于混响室技术,第四种基于反射平面上的自由场。
Specifies four methods for the determination of sound power levels in the frequency range between 11,2 kHz and 22,4 kHz with the centre frequency of 16 kHz. The first three methods are based on the reverberation room technique, the fourth on a free field over a reflecting plane.
标准预览图


