| 基于DSP的声回声抵消器的设计 |
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| 引用本文： | 杨洋. 基于DSP的声回声抵消器的设计[J]. 电子科技, 2007, 0(10): 45-48 |
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| 作者姓名： | 杨洋 |
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| 作者单位： | 辽宁工业大学信息科学与工程学院,辽宁锦州,121001 |
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| 摘 要： | 回声抵消器是视频会议系统和电话会议系统中一种必不可少的设备。在讨论回声抵消器原理和算法的基础上,给出了基于DSP的回声抵消器的设计方案。在设计中采用了变步长LMS算法,利用TI公司的DSP TMS320VC5402作为处理单元实现了回声抵消。
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| 关 键 词： | 自适应滤波器 LMS算法 变步长 回声抵消 DSP |
| 收稿时间： | 2006-05-18 |
Design of Acoustic Echo Canceller Based On DSP |
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| Yang Yang. Design of Acoustic Echo Canceller Based On DSP[J]. Electronic Science and Technology, 2007, 0(10): 45-48 |
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| Authors: | Yang Yang |
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| Affiliation: | College of Information Science and Engineering, Liaoning Industrial University, Jinzhou 121001, China |
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| Abstract: | Acoustic echo canceller is an indispensable device in video conference and telephone confer- ence systems.Based on a discussion of the principles and algorithms of acoustic echo canceller,a design scheme of DSP-based echo canceller is proposed in this paper.NLMS algorithm is adopted and echo canceller is implemented using DSP TMS320C5402 by TI Co.as the disposal unit. |
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| Keywords: | adaptive filtering LMS algorithm variable step size acoustic echo cancellation |
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