期刊论文

中文

计算机应用研究

1001-3695

2022

39

3

688-692

10.19734/j.issn.1001-3695.2021.07.0325

本校为其他机构

频域语音增强算法在高信噪比的条件下有明显的降噪效果,而在低信噪比条件下频域语音增强算法的性能会大幅下降。针对这个问题,将基于声纹的掩码应用到频域语音增强网络,利用声纹的先验信息,提升网络对说话人和噪声的区分度。另外,为了进一步改善频域语音算法在低信噪比条件下的性能,提出基于映射的声纹嵌入语音增强算法,避免了可能因采用掩模方案造成的语音失真问题。实验结果表明,在引入相同声纹信息时,基于映射的声纹嵌入语音增强网络在低信噪比条件下的增强性能表现更好,特别是在改善语音失真方面优势明显。相较于基于掩模的声纹掩码网络,基于映射的声纹嵌入网络在PESQ、STOI和SSNR这三项指标...

Speech enhancement in the frequency-domain can achieve a good noise reduction effect and improve speech communication quality under the condition of a high signal-to-noise ratio.However, speech enhancement performance in frequency-domain decreases significantly under low SNR conditions.To address this problem, this paper applied a mask based on speaker embedding to a frequency-domain speech enhancement network, and used the a priori information of speaker embedding to improve the network’s ability to distinguish between speakers and noise.To f...