Test signal generation and accuracy of turntable control in a dummy-head measurement system

被引：0

作者：

Wersényi, György ^{[1
]}

Illényi, András ^{[1
]}

机构：

[1] University of Technol. and Economics, Bekesy Gyorgy Acoustical Res. Lab., Budapest, Hungary

来源：

AES: Journal of the Audio Engineering Society | 2003年 / 51卷 / 03期

关键词：

Acoustic variables measurement - Anechoic chambers - Calculations - Fast Fourier transforms - Microphones - Phonographs - Random processes - Signal to noise ratio - Transfer functions;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

To measure the variations of the head-related transfer function (HRTF) caused by the acoustical environment near the head, a precisely controlled measurement setup with increased signal-to-noise ratio is needed. Based on the conclusions of an earlier investigation, a fully automatic dummy-head measurement system was installed in an anechoic room. An alternative way of generating a pseudorandom test signal is described as well as the rebuilding of the Brel & Kjaer turntable for accurate settings of azimuth.

引用

页码：150 / 155

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