| 一种基于DSP的音频实时处理系统 |
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| 引用本文： | 刘睿.一种基于DSP的音频实时处理系统[J].现代电子技术,2011,34(1):85-87. |
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| 作者姓名： | 刘睿 |
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| 作者单位： | 上海华平信息技术股份有限公司,上海,200433 |
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| 摘 要： | 声学回声消除器一直是视频会议系统不可缺少的组件。将回声消除算法结合噪音消除和静音检测算法等，提出一种改进的实时音频处理系统方法，并在TMS320C6713B上实现，能够有效改善噪音、双工检测、非线性回声等导致自适应滤波器发散的问题。该系统在保证正常双工通话的同时，对非线性回声的抑制有着明显的改善效果。
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| 关 键 词： | 声学回声消除 噪音消除 静音检测 语音信号处理 DSP |
A Real-time Audio Processing System Based on DSP |
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| LIU Rui.A Real-time Audio Processing System Based on DSP[J].Modern Electronic Technique,2011,34(1):85-87. |
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| Authors: | LIU Rui |
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| Affiliation: | LIU Rui(AVCON Information Technology Co.Ltd.,Shanghai 200433,China) |
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| Abstract: | Acoustic echo canceller has being an indispensable component of video conferencing system.An improved method of real-time audio processing system is proposed in combination with echo cancellation,noise cancellation and voice activity detection.The system based on TMS320C6713B DSP chip,and improved the problems of noise,double-talk detection,nonlinear echo and other problems leading to divergent adaptive filter.The system can ensure normal double-talk,and has significantly improved results of non-linear echo... |
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| Keywords: | DSP |
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