摘要
ISO3382房间混响时间以及其他相关音质参量的测量标准公布以来已有7年,文中结合近年来在实施过程中的一些实际测量的结果,对室内音质参量测量中有关信号选择、误差产生原因、数据处理方法对测量结果的影响以及噪声修正法的使用等问题进行探讨,为进一步提高室内声学测量精度提供基础,亦为修订我国相关标准提供经验。
The current version of the international standard ISO3382 （Measurement of the Reverberation Time of Rooms with Reference to Other Acoustic Parameters） was published 7 years ago. In this paper, choices of source signals, causes of measurement errors, influences of signal processing methods on the obtained results, noise correction methods, etc., are discussed based on room acoustics parameter measurements made in recent years. The discussion is useful for improving measurement precision in room acoustics, as well as to revision of the related national standards.
出处
《声学技术》
CSCD
北大核心
2006年第5期482-485,共4页
Technical Acoustics
关键词
室内声学参量
扬声器指向性
数据处理方法
room acoustic parameter
sweep signal
directivity of loudspeaker
method of signal processing
