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基于大小窗双向并行最小值搜索的IMCRA算法 被引量:1

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摘要 噪声谱的估计,对于语音增强的性能至关重要。为了在非平稳噪声条件下提高噪声谱估计的准确性、减小噪声跟踪的延迟,文章对"改进的最小值控制递归平均"(IMCRA)算法的最小值搜索进行改进,提出了大小窗双向并行最小值搜索方法。实验仿真表明:在非平稳噪声环境和低信噪比条件下,采用文章算法进行语音增强所得到的语音与采用传统IMCRA算法相比,增强效果得到一定改善。
出处 《信息通信》 2015年第3期53-55,共3页 Information & Communications
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