| 多周期PRBS信号在测量房间声回授通道特性中的应用 |
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| 引用本文： | 李源,夏秀渝,李文,唐邦友. 多周期PRBS信号在测量房间声回授通道特性中的应用[J]. 四川大学学报(自然科学版), 2007, 44(3): 569-572 |
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| 作者姓名： | 李源 夏秀渝 李文 唐邦友 |
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| 作者单位： | 四川大学电子信息学院,成都,610064;四川大学电子信息学院,成都,610064;四川大学电子信息学院,成都,610064;四川大学电子信息学院,成都,610064 |
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| 摘 要： | 比较了采用MATLAB中randn函数产生的高斯白噪声，单周期PRBS信号以及多周期PRBS信号分别作输入信号时，相关法辨识房间声回授通道的效果.选用辨识效果较好的多周期PRBS信号作为输入信号，辨识实际房间的声回授通道特性，并研究影响房间声回授通道特性的因素.
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| 关 键 词： | 声回授通道特性 相关法 PRBS信号 |
| 文章编号： | 0490-6756（2007）03-0569-04 |
| 修稿时间： | 2006-09-24 |
The application of periods pseudo random binary signals for room's acoustic echo channel characteristic measurement |
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| LI Yuan,XIA Xiu-yu,LI Wen and TANG Bang-you. The application of periods pseudo random binary signals for room's acoustic echo channel characteristic measurement[J]. Journal of Sichuan University (Natural Science Edition), 2007, 44(3): 569-572 |
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| Authors: | LI Yuan XIA Xiu-yu LI Wen TANG Bang-you |
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| Affiliation: | School of Electronics and Information Engineering,Sichuan University,School of Electronics and Information Engineering,Sichuan University,School of Electronics and Information Engineering,Sichuan University,School of Electronics and Information Engineering,Sichuan University |
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| Abstract: | We compared the measure results when using white noise which is produced by MATLAB randn function,one period PRBS,multiple periods PRBS as Correlation Methods input signal. Choose the signal which has better result to distinguish real acoustic echo channel characteristic and find the factors which affect it. |
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| Keywords: | acoustic echo channel characteristic Correlation Methods Pseudo Random Binary Signals |
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