一种基于改进谱减法的语音增强方法

被引:6
作者
王让定
柴佩琪
机构
[1] 同济大学人工智能研究室
关键词
语音增强; 噪声谱; 谱减法; 加权函数;
D O I
暂无
中图分类号
TN912.35 [语音增强];
学科分类号
摘要
谱减法是最常用的一种语音增强技术,其特点是计算复杂度低、实时性强、易于实现。谱减法的主要目的是去除语音信号中的噪声干扰,提高语音信号质量。本文在研究基于改进谱减法的基础之上,提出了利用带噪语音的高频区估计噪声谱以及由短时过零率和短时能量组合而成的加权函数去除背景噪声及音乐噪声的语音增强方法。实验表明,这种时频结合的语音增强方法对背景噪声下的语音质量的增强效果明显。
引用
收藏
页码:247 / 251
页数:5
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