ISO 389-4-1994 标准详情
- 标准号:ISO 389-4-1994
- 中文标题:声学 校正听力设备的基准零级 第4部分:窄带掩蔽噪声基准级
- 英文标题:Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise
- 标准类别:国际标准化组织标准ISO
- 发布日期:1994-10
Specifies reference levels for narrow-band masking noise presented by air conduction from an earphone in pure-tone audiometry. The data are given in terms of levels to be added to the reference equivalent threshold sound pressure levels for the corre
* 特别声明:资源收集自网络或用户上传,本网站所提供的电子文本仅供参考,请以正式出版物为准。仅供个人标准化学习,研究使用。如有侵权,请及时联系我们!
