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Untitled10
- 基于自适应滤波的rls带噪语音仿真，假定语音信号是一经过给定系统的信号-RLS adaptive filter based on the belt chirp voice simulation, assume speech signal is a after a given system signal
xinhaochuli
- 语音信号处理综合运用了数字信号处理的理论知识，对信号进行计算及频谱 分析，设计滤波器，并对含噪信号进行滤波 -Speech signal processing of digital signal processing integrated use of theoretical knowledge, to calculate the signal and spectrum analysis, design filter, and filter the noisy signal
yuyin_wavelet-denoising_matlab
- 用MATLAB实现对语音信号进行小波去噪-MATLAB implementation of the voice signal using the wavelet denoising
DSP-yuyin
- DSP在语音信号去噪和编码系统中的一些应用，包含程序，希望对大家有用-DSP in speech signal denoising and coding system, some applications, including the program, we hope to be useful
11
- 为提高语音端点检测系统在低信噪(0 dB 以下) 下 检测的准确率, 提出了一种基于谱熵的端点检测算法。将每 帧信号分为16 个子带, 选取频谱分布在250～ 3. 5 kHz 并且 能量不超过该帧总能量90 的子带, 计算经过语音增强后的 子带能量以及各子带信噪比, 根据各子带信噪比的不同调整 其在整个谱熵计算过程中的权重, 然后平滑谱熵, 以最终的 谱熵作为端点检测的依据-To improve endpoint detection system in the low
FIR1
- -给原始的语音信号加上一个高频余弦噪声，频率为5kHz。画出加噪后的语音信号时域和频谱图-- To the original speech signal with a high-frequency cosine noise, frequency of 5kHz. Draw the speech signal with noise after the time-domain and frequency spectrum-
en
- 基于谱减法的语音增强 语音增强的主要目标，就是从带噪语音信号中提取尽可能纯挣的原始语音-Speech enhancement based on spectral subtraction speech enhancement main goal is to noisy speech signal from the extract of pure earn as much as possible the original speech
yuyin
- 自适应信号处理中 LMS RLS算法进行语音消噪-LMS RLS adaptive signal processing algorithms for speech denoising
The-research-of-anti-niose-speech
- 论文首先介绍了传统的语音特征参数MFCC，它是基于人耳听觉 特性设计的一种特征参数，在静音环境下能得到较高的识别率，但在 信噪比较低时识别率急剧下降，不利于实用化。本文通过对MFCC算 法的分析和研究，发现其中的FFT和DCT在整个时频空间使用固定的 。分析窗，这不符合语音信号特性，而小波变换具有多分辨率特性，更 符合人耳的听觉特性。因此，本文将小波变换和MFCC算法相结合， 提出了三种新的语音识别特-Speech recognition has wide use in
fexingzaiyuyinzhongdeyingyong
- 几篇分形理论在语音信号处理中应用的文献，主要应用于去噪和断点检测-Several fractal theory applications in speech signal processing literature, mainly used in denoising and break detection
mallat
- 小波的分解和重构对语音信号进行去噪处理，包含了mallat四次分解重构-Wavelet decomposition and reconstruction of the speech signal denoising, contains mallat four decomposition and reconstruction
program
- 语音信号时域频域分析（白噪声与高斯噪声的去噪）-Speech signal time-domain frequency domain analysis (white noise and Gaussian noise denoising)
time_extend
- 语音延长、变速处理程序，实现语音信号时域延长； 主要步骤是先对原始语音信号进行加窗，再对加窗后的语音信号进行时域扩展； 以上处理之后语音信号可能会带进新的噪声，所以再对处理后的语音信号，使用FIR滤波器进行去噪处理。-Voice extending process, extending the time-domain voice signal The first major step is added to the original speech signal window, a
xiaoboquzaochengxu
- 一个基本的小波去噪程序，可以较好的进行语音信号的噪声去除。-A basic wavelet denoising program, we can better for voice signal noise removal.
a608cbc7d6f5
- 用RLS算法对语音信号去噪噪声后滤波前后的频谱分析程序-Using RLS algorithm for speech signal denoising noise filtering and spectrum analysis program
4
- 对语音信号用小波进行分解，然后再进行小波去噪。-The speech signal using wavelet decomposition, then the wavelet denoising.
kaerman
- 语音信号去噪，在MATLAB开发环境下，对含噪声的语音信号进行卡尔曼滤波，实现语音增强的功能。-The voice signal denoising, the Kalman filter, the noisy speech signal in the MATLAB development environment Wave, speech enhancement.
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.
matlab_shuziyuyin
- 本次课程设计主要介绍了语音信号的录制、语音信号的采集与分析、语音信号的采样、语音信号的频谱分析、加噪后的频谱分析、滤波器的设计以及对于语音信号的回放等知识。通过 Cool Edit录制一段语音信号，运用MATLAB对其进行时域与频域分析，然后设计滤波器加入噪声进行滤波处理，比较滤波前后始于波形或频谱的变化，最后实现对于语音的回放设计。-Digital voice processing filter design
dtw
- 本为主要阐述了小波变换在语音信号去噪的应用，语音端点的检测，语音特征的提取及一种简单的语音识别算法。-This is mainly expounds the wavelet transform in the application of speech signal denoising, speech endpoint detection, speech characteristics of the extraction and a simple speech recognition algori