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qdsg
- 主要研究了超声回波信号的小波分析算法和BP神经网络算法。在超声检测中,作为检测基本数据的脉冲反射回波信号受到电子噪声和结构噪声的干扰,-major study of the ultrasonic echo signal wavelet analysis algorithm and BP neural network algorithm. In ultrasonic testing, to detect the basic data pulse echo signals reflected by
A_rate_of_13_c_dc
- A率13折线的编译码实现 1、了解PCM及13折线A率编码及译码的原理; 2、随机给出一个语音信号,并用A率13折线PCM对其编码; 3、将编码后的信号经过加性高斯白噪声信道,并在接收端对其进行译码; 4、分别画出原始语音信号、PCM编码信号以及译码后信号的波形。 -A rate of 13 polyline encoding and decoding implementation 1, to understand the principles of PCM and th
pcm
- 实现了对模拟信号的量化编码并计算了模拟信号的量化噪声-The realization of the analog signal and the quantization coding to calculate the quantization noise analog signal
G720_1
- G.720.1是ITU-T最新制定的语音标准,其主要包括活动话音检测、语音和噪声分类功能,可以适用与宽带和窄带语音。-G.720.1 is a newly developed speech standard ITU-T, which mainly includes a voice activity detection, voice and noise classification function can be applied with both broadband and narrowband
小波和维纳综合的语音增强
- 小波和维纳综合的语音增强,运用了多种滤波方法得到的波形,可以实现对白噪声和彩色噪声的增强。
yuyin
- 语音信号添加高斯白噪声 语音信号添加高斯白噪声-Add white Gaussian noise voice signal voice signal add white Gaussian noise
jia-zao-fang-fa-
- 其一噪声是否按指定的信噪比叠加,其二怎么样检验带噪信号中信噪比满足指定的信噪比。-First noise is superimposed specified signal-to-noise ratio, and the second is how to test signal with noise in the signal-to-noise ratio to meet the specified signal-to-noise ratio.
yuyinzengqiang
- 实现噪声环境下语音信号增强技术的matlab算法。-Noisy Speech Signal Enhancement technology matlab algorithm.
yuyinxinhaolupoquzao
- 本课程设计的主要目的是在MATLAB环境下,使用窗口设计法设计一个滤波器,并对语音信号进行滤波去噪。开发平台为MATLAB7.0,设计方法为窗口设计法。用麦克风采集一段语音信号,绘制波形并观察其频谱,给定相应技术指标,用凯塞窗设计一个满足指标的FIR滤波器,对该语音信号进行滤波去噪处理,比较滤波前后的波形和频谱并进行分析。在滤波前后语音信号波形的变化中,由于我们录制的语音信号噪声不大,所以观察并不明显,但在频域波形中,我们可以明显的看到设计的滤波器对语音信号进行了滤波处理,将噪声进行了滤除。此次
Wavelet-denoisingzip
- 语音信号去噪,在MATLAB开发环境下,对含噪声的语音信号进行小波变换,实现语音增强的功能。-The speech signal denoising, wavelet transform, the noisy speech signal in the MATLAB development environment, Speech enhancement functions.
FIR-IIR
- FIR IIR 滤波器的制作,产生高斯白噪声并通过滤波器滤波-FIR IIR filter,add and remove WGN
shangchuan
- 生成叠加任意噪声数据和任意信噪比的带噪语音。生成叠加高斯白噪声的带噪语音和测量信噪比。-Generating noisy speech with any random noise data and any signal-to-noise ratio. Generating noisy speech and measuring signal to noise ratio of superimposed white noise.
