此外本文还设计一种语音信号自适应噪声消除算法，利用LMS自适应算法的特点抑制语音信号中的宽带噪声信号，提高信噪比。
A noise reduction algorithm used in speech signal processes which is referred to as LMS adaptive noise reduction, is also designed to reduce wide-band noise but improve signal to noise Ratio.
针对超声无损检测中超声信号受噪声污染、信噪比不高的情况，提出了一种新的基于改进阈值函数的小波域超声信号去噪方法。
Aimed at the ultrasonic signal polluted by noises, which is low in SNR, a method of the ultrasonic signal denoising in wavelet domain based on an improved threshold function was put forward.
汉语语言清晰度测试信号与干扰噪声信号按照一定的信噪比混合，由听音人进行汉语语言清晰度主观评价。
Test signals are mixed with noise signals according to a given SNR and the Chinese speech intelligibility are rated by listener.
汉语语言清晰度测试信号与干扰噪声信号按照一定的信噪比混合，由听音人进行汉语语言清晰度主观评价。
Test signals are mixed with noise signals according to a given SNR and the Chinese speech intelligibility are rated by listener.
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