搜索资源列表
xiaoboyuyinxinhao
- 这是一个小波变换处理语音信号的matlab程序，用于语音去噪-This is a wavelet transform voice signals in the Matlab procedures used for voice denoising
Example6_11
- 用MATLAB对一语音信号进行小波分解，分别用强阈值，软阈值，默认阈植进行消噪处理。-MATLAB to a voice signal wavelet decomposition, respectively intensity threshold, soft threshold, the default threshold for planting Denoising.
waveletthresholddenoise
- 小波变换用于语音信号阈值去噪的一个matlab程序，主要功能是阈值搜索，小波分解重构-wavelet transform for the voice signal denoising threshold of a Matlab procedures, the main function is to search threshold, wavelet decomposition Reconstruction
vad_fq_snr
- vad（语音活动检测）的matlab代码，采用频域的方法计算信噪比。-vad (voice activity detection) Matlab code, using frequency-domain approach to calculate the signal-to-noise ratio.
zishiyingyuyinjiangzao
- 自适应语音抵消算法，用于语音增强，和语音降噪。开发环境matlab-Adaptive Speech cancellation algorithm for speech enhancement, noise reduction and voice. Matlab development environment
MATLAB
- 语音信号经过低通，高通，带通，带阻四个滤波器，比较滤波前后的功率谱，以及去噪能力-Voice signal through the low-pass, high-pass, band-pass, four band-elimination filter, compared before and after the power spectrum of the filter, and the denoising ability
quzao
- 去噪 风声去噪 人声分离：将已混合的不同的声音分离开(reduce noise separate different voice)
chenxu
- （1）录制一段语音信号，完成对信号的采样，画出信号的时域波形和频谱图，确定信号的频谱范围； （2）给信号叠加噪声（噪声类型分为如下几种：a白噪声；b单频噪色（正弦干扰）；c多频噪声（多正弦干扰）；d其它干扰。），画出受噪声干扰的信号时域波形和频谱图； （3）采用窗函数法设计FIR低通滤波器，画出滤波器的频响特性图； （4）用所设计的滤波器对受噪声影响的信号进行滤波，画出滤波后语音信号的时域波形图和频谱图； （5）对滤波前后的信号进行对比，分析信号的变化；回放语音信号，并与原始语音信号对比
LTE Simulator
- LTE Simulator是一个Matlab语音编写的系统级仿真程序，平台主要用于对基站及扇区的信道质量相关参数分布进行仿真，利用平台可以得到大尺度、信噪比、阴影衰落等参数随地理位置的一个分布情况。(a simulation for lte based on matlab)
segmantal SNR
- 计算语音信号的信噪比和分段信噪比，在matlab中使用(Computing signal-to-noise ratio and segmentation SNR of speech signals are used in MATLAB)
jiazaolvbo
- 在MATLAB平台上，录入一个语音信号，对其加噪，然后滤波(In the MATLAB platform, input a speech signal, add noise to it, and then filter)
wiener-filter
- 维纳滤波器实现语音信号降噪，语音增强。压缩包中已经包含测试语音片段(wiener filter for speech enhancement, speech denoising)
B3小组总结报告
- 使用matlab实现语音去噪，主要使用窗函数滤波法及维纳滤波法。(Using MATLAB to achieve speech denoising, mainly using window function filtering method and Wiener filtering method.)
YCL
- 对信号进行梅尔倒谱系数特征采集之前的预处理，包括分帧加窗、基于短时能量的双门限判别、除噪、预加重等(The preprocessing of Mel cepstrum coefficients before the signal is carried out, including frame windowing, double threshold discrimination based on short-time energy, denoising and pre emphasis)
wiener filtering
- 实现了维纳滤波对语音信号的去噪，输入一段音频文件，取单声道，加噪声后进行滤波(Wiener filtering The Wiener filter is used to denoise the speech signal, input a segment of audio file, take the single channel, and filter the noise after adding the noise)
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)
时域滤波
- 一段用于语音去噪小波程序，matlab编写的。(A speech de-noising wavelet program, written by MATLAB.)
fourier
- 基于MATLAB 的语音信号频谱分析与去噪研究 1、通过Matlab读入语音信号，进行频域分析 2、绘制语音信号频谱； 3、设计滤波器并进行滤波； 4、加噪，对比语音信号波形和频谱(Research on speech signal spectrum analysis and denoising based on MATLAB 1, read the voice signal through Matlab and analyze it in frequency domain. 2, draw t
voice_wav_frequency
- matlab语音信号分析时域频域，加窗，降噪滤波，端点检测，时域特征和频域特征提取(Matlab speech signal analysis in time domain, frequency domain, windowing, denoising, filtering, endpoint detection, time domain feature and frequency domain feature extraction.)
ceemd
- 应用于语音信号和油气管道泄漏信号的去噪处理，有良好的去噪效果(It is applied to the denoising of voice signal and oil and gas pipeline leakage signal, and has good denoising effect)