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wave-
- ％在噪声环境下语音信号的增强 ％语音信号为读入的声音文件 ％噪声为正态随机噪声- Under noise environment pronunciation signal enhancement % pronunciation signal for read-in sound document % noise for 姝ｆ
matlab
- 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，根据阈值去噪的原理去噪，然后逆变换得到增强的语音信号
小波变换对语音信号去噪的MATLAB程序
- matlab仿真程序——小波去噪 在噪声环境下语音信号的增强
hhh
- ：由于许多传统的去噪方法在强背景噪声情况下提取声音信号的能力变弱甚至失效， 提出 应用独立成分分析( I C A) 方法对声音信号进行特征提取， 并证明了这种 I C A 变换能增强语音和音 乐信号的超高斯性． 在此基础上， 应用 I C A基函数作为滤波器， 通过阈值化的去噪方法对含有强高 斯背景噪声的声音信号进行去噪仿真实验． 结果表明， 本方法明显优于传统的均值滤波和小波去噪 方法， 为强背景噪声下弱信号的检测提供 了新的途径．-: As many of the t
Wavelet_denoising
- 小波变换的MATLAB源程序，使用语语音增强，去除噪声效果好，算法实现简单，清晰-MATLAB source wavelet transform, using language speech enhancement, noise removal effect, algorithm is simple and clear
xiaoboquzao
- 小波去噪matlab程序,在噪声环境下语音信号的增强,语音信号为读入的声音文件,噪声为正态随机噪声,在小波基 db3 下进行一维离散小波反变换.-Matlab wavelet denoising procedure, noise enhancement of speech signals, speech signal is read into the sound file, the noise is normal random noise, the wavelet ' db3' u
win
- 是关于语音信号的快速傅里叶变换以及加噪声后傅里叶变换的显示以及图像中的比较-Is a speech signal FFT and plus noise FFT display and image comparison
Wav_Noise
- 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.
liboqichengxi
- 巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波，并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim
82112584xiaobobianhuan
- 用于语音处理，很好的降低了噪声，实测非常好。-For voice processing
spectralsubstraction
- 谱减法进行语音增强，其中使用了优化算法减少音乐噪声-Spectral subtraction speech enhancement, which uses optimization algorithms to reduce noise music
chapter11_1
- 谱减法语音增强的matlab程序，读入语音信号并产生随机白噪声。-Matlab spectral subtraction speech enhancement program that reads the speech signal and generates a random white noise.
sheji
- 先对语音信号进行采集、播放，分析其频谱，对该信号源添加噪声，再播放音频并分析频谱，然后分别通过IIR低通、带通滤波器和FIR低通、带通滤波器，分别播放音频和得到滤波后的频谱。-Firstly， voice signal acquisition, play, analyze its spectrum to add noise to the signal source, and then play the audio spectrum analysis, and then were by IIR l
Untitled12
- 1.主要是对图片添加噪声，噪声类别有高斯噪声，椒盐噪声，泊松噪声等。 2.语音增强-1.The is to add noise to image noise types, Gauss noise, salt and pepper noise, Poisson noise. 2 。speech enhancement
YOUYI
- 噪声语音信号的处理。能够事项语音信号的自动去噪处理。效果良好。是M文件。语音信号要自己录制。- The noise speech signal processing. Automatic speech signal denoising. The effect is good. Is the M file. The speech signal to be recorded.
xinzaobizixiangguan
- 给原始语音加已知信噪比的高斯白噪声，随着信噪比不断变大，找出大概能使原始语音的波形特征不明显的信噪比范围。-Known to the original speech plus noise ratio of Gaussian white noise, with the signal to noise ratio becomes larger and larger, to find out about the original speech waveform characteristics to m
1120
- 语音信号的去燥，去除一段语音信号中高频的噪声-To dry voice signal, a voice signal to remove high frequency noise
GKIQIY
- 语音信号处理前分离信号噪声,matlab环境下运行,使信号处理效果更好-Speech signal processing before the separation of signal to noise, running under the matlab environment, make the signal processing effect is better
a
- 对图像分类去燥，语音消除多余的噪声，达到较好的效果(The image classification is dryness, and the voice eliminates the excess noise)