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一种改进的语音识别抗噪算法

DOI: 10.11830/ISSN.1000-5013.2009.01.0117

Keywords: 语音识别, 抗噪算法, 语音增强, 信噪比

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Abstract:

为了提高在噪声环境下的语音识别性能,提出一种融合信号级和特征参数级抗噪的抗噪算法.该算法首先对带噪语音用最小均方误差估计法进行语音增强,后端对原始的带噪语音运用自相关法,以有效抑制加性和卷积噪声.实验结果表明,该算法能有效提高系统在噪声环境下,特别是低信噪比情况下的识别率.

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