| 相位均衡对耳机重放影响研究* |
| |
| 引用本文： | 李光炬,桑晋秋,郑成诗,石伟志,李晓东.相位均衡对耳机重放影响研究*[J].应用声学,2017,36(6):471-480. |
| |
| 作者姓名： | 李光炬 桑晋秋 郑成诗 石伟志 李晓东 |
| |
| 作者单位： | 中国科学院大学 北京;中国科学院声学研究所 北京,中国科学院大学 北京;中国科学院声学研究所 北京,中国科学院大学 北京;中国科学院声学研究所 北京,中国科学院大学 北京;中国科学院声学研究所 北京,中国科学院大学 北京;中国科学院声学研究所 北京 |
| |
| 基金项目： | 国家高技术研究发展863计划(2015AA016306)；国家自然科学基金青年科学基金(11504404)；国家自然科学基金青年科学基金(11604362)。 |
| |
| 摘 要： | 均衡耳机到鼓膜的传递函数可有效提高耳机声重放效果。通过主客观实验对比研究幅度均衡方法、相位均衡方法和幅度相位同时均衡方法,结果表明相比于幅度均衡,相位均衡对耳机瞬态响应的影响更大：当系统相位为线性时,瞬态响应衰减越快,线性相位对耳机重放提升音色有显著作用；而以平直幅频响应为目标的幅度均衡对提升耳机重放效果有限。
|
| 关 键 词： | 耳机到鼓膜的传递函数 均衡 线性相位 耳机重放 |
| 收稿时间： | 2017/3/22 0:00:00 |
| 修稿时间： | 2017/10/23 0:00:00 |
Effects of phase equalization on headphone reproduction |
| |
| LI Guangju,SANG Jinqiu,ZHENG Chengshi,SHI Weizhi and LI Xiaodong.Effects of phase equalization on headphone reproduction[J].Applied Acoustics,2017,36(6):471-480. |
| |
| Authors: | LI Guangju SANG Jinqiu ZHENG Chengshi SHI Weizhi and LI Xiaodong |
| |
| Institution: | Institute of Acoustics,Chinese Academy of Sciences,University of Chinese Academy of Sciences;Institute of Acoustics,Chinese Academy of Sciences,University of Chinese Academy of Sciences;Institute of Acoustics,Chinese Academy of Sciences,University of Chinese Academy of Sciences;Institute of Acoustics,Chinese Academy of Sciences,University of Chinese Academy of Sciences;Institute of Acoustics,Chinese Academy of Sciences |
| |
| Abstract: | Headphone-To-Eardrum Transfer Function (HETF) equalization is critical to improve headphone reproduction quality. This work studies the amplitude equalization, the phase equalization and the amplitude-phase equalization methods through objective and subjective experiments. The results show that phase equalization is a more important factor for transient response than amplitude equalization. The main reason is that the effect of linear phase on headphone reproduction is significant and positively related to the decay time of transient response. The results also reveal that amplitude equalization for producing a nearly flat frequency response over the bandwidth of interest has limited effect on the improvement of the headphone reproduction quality. |
| |
| Keywords: | Headphone-To-Eardrum Transfer Function (HETF) Equalization Linear phase |
|
| 点击此处可从《应用声学》浏览原始摘要信息 |
| 点击此处可从《应用声学》下载免费的PDF全文 |
|
