搜索资源列表
basicprocessingofspeech
- 语音信号处理的最基本的Maylab处理程序,包括读入语音波形,清音浊音的检测,加窗,过零率,短时能量,基音最大值。最后有test给出演示。-speech signal processing Maylab the most basic procedures, including reading the speech waveform. voiceless voiced detection, adding windows, the zero-rate, short-term energy, the
lsp3
- 语音信号处理的最基本的Maylab处理程序,包括读入语音波形,清音浊音的检测,加窗,过零率,短时能量,基音最大值。最后有test给出演示-speech signal processing Maylab the most basic procedures, including reading the speech waveform. voiceless voiced detection, adding windows, the zero-rate, short-term energy, the m
cvap3.5
- CVAP includes 4 External validity indices, 14 Internal validity indices and 5 clustering algorithms (K-means, PAM, hierarchical clustering, SOM and etc.). It supports other clustering algorithms via loading a solution file with class labels, or by ad
voice_enhanced_method
- 结合漏水信号的特性.对基本谱减法进行改进.加入重叠帧,抑制部分音乐噪声。-Combining the characteristics of the signal leakage. The basic spectral subtraction to improve it. Adding overlapping frames, some musical noise suppression.
window
- 程序包含了语音处理中加窗函数的过程,包括了多种窗函数,实验有效。-Voice processing program includes the process of adding the window function, including a variety of window function, experimental effective.
76705441add_noise_and_SNR_measure
- 语音增强算法,谱减法,小波变换法,加噪声,纯净语音-Speech enhancement algorithm, spectral subtraction, wavelet transform, adding noise, clean speech
add_Noise
- 本程序主要是实现在一个纯的语音信号上加入一段已知的噪声-This procedure is mainly to achieve in a pure voice signal by adding a known noise ..
MATLAB-Speech-and-noise-GUI
- MATLAB编写语音加噪,加入高斯噪声,并且有对话框显示-MATLAB voice noise by adding Gaussian noise, and the dialog box is displayed
The-FIR-filter-design
- (附带有文档,文档中有方案,有程序有结果,设计完后对一段语音进行处理)给定滤波器的规一化性能指标(参考指标,实际中依据每个同学所叠加噪声情况而定)通带截止频率wp=0.25*pi。 采用窗函数法设计低通、高通、带通型FIR滤波器,对叠加噪声前后的语音信号进行滤波处理,绘出滤波器的频域响应,绘出滤波后信号的时域波形和频谱,并对滤波前后的信号进行对比,分析信号的变化;在相同的性能指标下比较各方法的滤波效果,并从理论上进行分析-(With the document, document, program
ditonglvboqixiaozao
- 低通滤波器,可以消去高频噪音。通过先增加一段随机噪音,然后又消去噪音来实现-Low-pass filter can eliminate the high frequency noise. By adding a random noise, and then eliminate noise
qingzhuoyingpinpu
- 实现清音与浊音的频谱分析,通过加不同窗,分析清音和浊音频谱变化-Unvoiced and voiced spectral analysis, analysis of unvoiced and voiced spectral variation, by adding different window
lvbo
- 基于MATLAB的语音信号处理,对原始语音信号加入 s=0.05*sin(2*pi*f*Ts*n)的噪声后,去除噪声,完成滤波。-MATLAB-based speech signal processing, the original speech signal after adding s = 0.05* sin (2* pi* f* Ts* n) noise, noise removal, complete the filtering.
Wiener-filter-in-speech-enhance
- 这是我的adsp的project 维纳滤波在语音增强上的应用,是基于维纳滤波的语音增强的matlab实现,其中包括matlab源码,word文档,以及PPT。并设计了简单的 GUI 对语音信号进行加噪处理,然后再其进行维纳滤波。通过gui可以实时改变加入噪声的参数和维纳滤波器的参数,进行分析。并 有频谱显示和语谱对比显示。-This is my project adsp the Wiener filter applied on speech enhancement is ba
matlab
- 1. 给一段原始的语音信号(可以是自己录制的一段语音),加上一频率为3.8kHz的高频余弦噪声和频率为3.6kHz的高频正弦噪声(幅度自己可以选择),用窗函数设计一滤波器(要求最小阻带衰减为50dB)对加噪后的语音信号进行滤波,画出滤波器的频率响应曲线,画出滤波前后的时域图和频谱图。 需要用到的函数: fir1 用窗函数设计FIR滤波器的函数 2. 用GUI设计一界面(如图1所示)完成如下功能: 1) 输入一语音信号,画出语音信号的时域图和频谱图; 2) 对语音信号加噪处理,
noisegen
- 声音的加噪处理,有益于研究声音在噪声环境下的处理情况,提高抗噪性-Adding noise processes sound, useful for researchers sound processing in noisy environments, raising the noise immunity
5
- 对语音信号进行信噪比计算,对语音信号进行加噪声处理,然后进行消噪处理计算信噪比。-Speech signal is processed by the signal to noise ratio, and the speech signal is processed by adding noise, and the signal to noise ratio is calculated.
过零率计算源代码
- 语音端点的检测,不能只以能量的大小进行检测。人声和周边噪音,都可能拥有足够的能量,因此单独能量无法准确检测端点。而过零率在这一点上,则可以起到很大的效果。因此,端点检测时,过零率是不可以缺少的。(Adding zero crossing rate, can accurate detect. Human speech has more zero crossing rate.)
FANT
- FANT filter about convolutional noise used in matlab by audioread and audiowrite reference by FANT Descr iption: Filtering and Noise Adding Tool - Compiled for CygWin , Executable under Windows
副本
- 在开源的MIDI转乐谱代码上添加录音功能(Adding audio recording on the open source MIDI code)
music
- 可以分析输入的音乐信号,经过加窗和傅里叶变换,得到音乐的音调和音符等信息,最后复现音乐。(The input music signal can be analyzed, and the tone and note information of the music can be obtained by adding window and Fourier transform, and finally the music can be reproduced.)
