| 自适应声回波对消器系统的研制 |
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| 引用本文： | 夏秀渝,王永德,何培宇,王春霞,李康辉.自适应声回波对消器系统的研制[J].四川大学学报(自然科学版),2002,39(3):474-478. |
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| 作者姓名： | 夏秀渝 王永德 何培宇 王春霞 李康辉 |
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| 作者单位： | 四川大学电子信息学院,成都,610064 |
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| 摘 要： | 报道了自主开发的基于快速LMS／Newton算法2047个权的实用自适应声回波对消器系统。该系统实时实现了LRM（扬声器－房间－麦克风）系统中声回波的自适应对消，效果良好。着重研究了系统的实现算法，硬件与软件的设计及系统性能测试结果。
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| 关 键 词： | 声回波对消 快速LMS／Newton算法 DSP |
| 文章编号： | 0490-6756(2002)03-0474-05 |
Development of the Adaptive Acoustic Echo Canceller System |
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| XIA Xiu yu,WANG Yong de,HE Pie yu,WANG Chun xia,LI Kang hui.Development of the Adaptive Acoustic Echo Canceller System[J].Journal of Sichuan University (Natural Science Edition),2002,39(3):474-478. |
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| Authors: | XIA Xiu yu WANG Yong de HE Pie yu WANG Chun xia LI Kang hui |
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| Abstract: | The adaptive acoustic echo canceller system of 2047 weights based on the Fast LMS/Newton algorithm is presented. The acoustic echo of LMR system adaptive cancellation is implemented on the canceller in the real time processing. Result is satisfactory. The principle of the system ,hardware and software design, testing result of the system are given. |
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| Keywords: | acoustic echo cancellation fast LMS/Newton algorithm DSP |
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