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一种稳健的背景噪声检测方法
A robust background noise detection algorithm
【摘要】 给出一种在缓变的强背景噪声情况下作语音增强时的噪声检测的新算法,用作检测的特征向量和阈值自适应更新。实验证明该算法有良好的稳健性,在信噪比0dB左右能有效检测各类背景噪声。
【Abstract】 A novel noise detection algorithm for speech enhancement in slowly time-varying intense background noise is proposed in this paper.The characteristic vector and the threshold is adaptively updated.Experiments show that this algorithm be robust and can detect various kinds of background noise at SNR of0dB.[
【关键词】 语音增强;
噪声检测;
缓变噪声;
自适应阈值;
【Key words】 speech enhancement; noise detection; slowly time-varying noise; adaptive threshold;
【Key words】 speech enhancement; noise detection; slowly time-varying noise; adaptive threshold;
【基金】 国家自然科学基金(69972020);(60272020).
- 【文献出处】 电声技术 ,Audio Engineering , 编辑部邮箱 ,2003年11期
- 【分类号】TN912.3
- 【被引频次】4
- 【下载频次】193