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SNR_matlab
- 该代码为matlab代码,其内容是基于最大信噪比的盲源分离算法。可将该算法用于语音信号、图像信号的处理中。-The code for the matlab code, its content is based on the maximum SNR of the blind source separation algorithm. The algorithm can be used for voice signals, image signal processing.
RLSwave
- 对语音信号的RLS滤波程序,噪音为固定信噪比的高斯信号-RLS voice signal filtering process, a fixed signal to noise ratio of the Gaussian noise signal
zishiyingjiangzao
- 这里介绍了一种基于自适应滤波的噪声抵消法,采用归一化最小均方误差算法,采集实际噪声环境下各种不同信噪比的带噪语音样本进行降噪处理,实验结果表明,处理后信号的信噪比得到了较大程度的提高,大大改善了听音效果,具有很高的可懂度,且语音自然度好,没有失真;并与谱减法进行了比较,自适应噪声抵消法的降噪幅度比谱减法有一定提高,在听音效果上,用自适应噪声抵消法处理后的语音在清晰度,自然度方面优于谱减法。-Here a novel adaptive noise cancellation method using
noisy
- 在一段语音信号上加上高斯白噪声,产生任意信噪比的程序-A voice signal with white Gaussian noise to produce any signal to noise ratio of the program
celiangSNR
- 程序主要是通过读入纯净的语音信号和对纯净语音信号加噪后的混合信号来实现测量加噪后语音信号的信噪比。测量准确度较高。-Read into the program mainly through pure voice signal and noise on the clean speech signal plus the mixed signal to achieve measurements with noise after the speech signal to noise ratio. Mea
tianjiazaoshegn
- 程序是对输入的语音信号添加已知信噪比的噪声,输入是纯净的语音信号和信噪比,输出是加噪后的语音信号。后半部分是验证前面所加信噪比是否正确的程序-Procedure is to add the input speech signal noise ratio of the noise is known, the input speech signal and pure noise ratio, after output speech signal plus noise. Latter is to ve
MaskingSub
- 该例程是基于人耳掩蔽效应的语音增强算法的MATLAB实现。压缩包中附带参考文献(基于人耳掩蔽效应的谱减算法的研究与实现)、测试所使用的音频信号、以及段信噪比计算函数。源代码中MaskingSub.m(源代码主要部分)及Main.m为本人所写,其余均来自程序员联合开发网。运行环境MATLAB R2009b-Key words:masking property, spectral subtraction algorithm
YUYIN
- 用matlab记录一段基带语音信号,采样频率设为44.1kHz。产生一个高斯白噪声 随机过程,并将噪声叠加在语音信号上(相当于将语音信号通过一个高斯信道)。 (1) 设定不同的噪声信噪比,画出并比较高斯信道接收端的信号时域波形,播 放接收信号。 (2) 由于语音信号的范围通常在3kHz以内,在接收端加载一个低通滤波器, 截止频率为3kHz,画出并比较滤波前后的信号时域波形,并播放滤波后 的信号。-Matlab record with some baseband voice
Noisy-pretreatment
- 纯语音和带噪语音,信噪比,带噪语音的产生,语音信号的预处理一——消除趋势项和直流分量-Pretreatment with a pure voice and noisy speech signal to noise ratio, resulting in noisy speech, the speech signal- to eliminate the trend term and DC components
Autocorrelation-Function-for-VAD
- 基于自相关函数最大值的语音端点检测算法,即使在较低信噪比情况下采用该算法仍能较准确地检测出语音信号的端点位置。-The maximum of autocorrelation function of sonant and sonata′s autocorrelation function characteristics after autocorrelation function filtered through a lowpass are studied,this method can dete
peineng
- 语音信号的采集与处理,数字信号处理课设,STM32制作的MP3的全部资料,包括压缩比、运行时间和计算复原图像的峰值信噪比。- Acquisition and Processing of the speech signal, digital signal processing class-based, STM32 all the information produced by the MP3, Including compression ratio, image restoration compu
liusang
- 语音信号的采集与处理,数字信号处理课设,感应双馈发电机系统的仿真,ML法能够很好的估计信号的信噪比。- Acquisition and Processing of the speech signal, digital signal processing class-based, Simulation of doubly fed induction generator system, ML estimation method can be a good signal to noise ratio.
gunmou
- 模式识别中的bayes判别分析算法,语音信号的采集与处理,数字信号处理课设,ML法能够很好的估计信号的信噪比。- Pattern Recognition bayes discriminant analysis algorithm, Acquisition and Processing of the speech signal, digital signal processing class-based, ML estimation method can be a good signal to n
addnoise
- 为语音信号加白噪声,加不同信噪比的白噪声。MATLAB程序-For the white noise of the voice signal, plus different signal to noise ratio of white noise. MATLAB program
谱减法
- 谱减法是一种比较简单的语音降噪的方法,在语音信号具有较高的信噪比的情况下具有良好的降噪功能。(Spectral Subtraction)
pujian
- 运用谱减法,对语音信号进行去噪处理并比较处理前后的信噪比(Using spectral subtraction to denoise the speech signal and compare the signal to noise ratio before and after processing)
SNR
- 基于小波变换的信号语音去噪及信噪比显示代码(noise-signal ratio it is very useful)
语音信号加噪和降噪处理
- 语音是人类交换信息的有效渠道之一,也是我们日常生活交流的主要形式。 语音与当今科学技术的快速发展息息相关,特别是计算机中的语音交互技术,通 过对语音信号进行采集和处理,实现人与人之间有效信息的传输、获取以及存储。 基于 MATALAB 的语音信号去噪设计,对噪声信号进行有效地滤除,将降噪后的语音信号与原始 信号在时域和频域进行对比分析,计算出信噪比,并在 MATLAB 中设计 GUI 仿 真界面进行展示.(Speech is one of the effective ways for human