摘要
分析含有噪声的语音信号和噪声信号,对他们分别进行小波分解,提取各层噪声小波系数低频的特性,将提取的各层噪声的特性作为阀值进行去噪。
This paper analysizes the signal of noise and signal of pronunciation with noise. It resolves them using wavelet, and extracts the low frency of resolved noise. It removes the noises using the characters of noise as the threshold.
出处
《现代计算机》
2006年第1期108-109,共2页
Modern Computer
关键词
语音信号
噪声特性
小波分析
去噪
Signal of Pronunciation
Character of Noise
Wavelet＇s Analyst
Substract Noise
