| 软计算方法在自适应多速率话音激活检测中的应用研究 |
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| 引用本文： | 陈东,匡镜明,赵胜辉.软计算方法在自适应多速率话音激活检测中的应用研究[J].电子学报,2003,31(4):531-535. |
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| 作者姓名： | 陈东 匡镜明 赵胜辉 |
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| 作者单位： | 北京理工大学数字通信技术研究中心,北京,100081 |
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| 摘 要： | 本文提出一种新的话音激活检测方法，该方法基于软计算理论，应用于3GPP标准化的自适应多速率语音编码算法，从剪音和噪声误判为语音概率两个方面分析其在不同背景噪声环境中的性能，仿真表明：基于客观评价方法，这种新的话音激活检测算法比ITU G．729B建议算法性能更好．
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| 关 键 词： | 软计算 自适应多速率 话音激活检测 |
| 文章编号： | 0372-2112(2003)04-0531-05 |
Application and Research of AMR VAD Based on Soft Computing Method |
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| CHEN Dong,KUANG Jing-ming,ZHAO Sheng-hui.Application and Research of AMR VAD Based on Soft Computing Method[J].Acta Electronica Sinica,2003,31(4):531-535. |
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| Authors: | CHEN Dong KUANG Jing-ming ZHAO Sheng-hui |
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| Abstract: | A novel voice activity detection algorithm is put forward,which is based on soft computing theory,and is applied in adaptive multi-rate speech codec standardized by 3GPP.The performance of this algorithm in varying background noise is analyzed in terms of probability of clipping and noise detected as speech.The simulation results indicate that the new algorithm is better than ITU G.729B according to objective evaluation method. |
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| Keywords: | soft computing adaptive multi-rate voice activity detection |
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