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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.
noise-estimation
- 音频处理算法:语音增强技术是语音信号处理技术中的一门关键技术,本例是一种较为经典的用来估计噪声的算法程序,其实现较为简单,便于初学者学习,改程序已经通过仿真实验,并且实验结果用在方便哦的论文中。-Speech Enhancement technology is voice signal processing technology in a key technology, in this case is a more classical algorithm used to estimate the
jiyuPICdanpianjideyuyintishiqi
- 设计了一种以PIC16F877单片机作为控制核心的录放音智能语音系统, 采用ISD4003 - 8M设计制作了具有定时录音、 放音的语音提示器, 可以真实的再现语音的真实自然效果, 避免了一般语音电路因为量化和压缩所造成的量化噪声和失真。该系统 操作简单, 可靠性高, 成本低, 可广泛用于各种对安放要求较高的场合。-Design a single chip microcomputer as the core to control the PIC16F877 recording soun
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
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
planevoice1
- 2航空噪声背景下的语音端点检测和语音增强算法-aviation noise background speech endpoint detection and speech enhancement algorithm
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
power-spectral-analys
- 随机信号功率谱分析 (1) 生成信号,被淹没在在噪声中; (2) 试用周期图法估计信号的功率谱; (3) 选用不同窗,使用修正周期图法估计信号的功率谱; (4) 对一段语音信号,使用LD算法估计其功率谱; (5) 详细列出功率谱估计的步骤和原理。 -power spectral analys
xiaobo
- 这是一个小波变换的程序,滤去噪声实现语音增强-This is a wavelet transform procedures, filter out the noise to realize speech enhancement
lee
- 语音采集加噪声程序 语音端点检测 已经调试很好用 -The voice acquisition plus the speech endpoint detection of the noise program debugging has been very good,
noisy
- 在一段语音信号上加上高斯白噪声,产生任意信噪比的程序-A voice signal with white Gaussian noise to produce any signal to noise ratio of the program
matlab
- 利用mcra的方法对噪声功率谱估计达到语音增强的目的-estimate the spectrum of the noise in order to enhance the SNR of the speech
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
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
FIR
- 给原始的语音信号加上一个高频余弦噪声,频率为3.6KHz和3.8kHz,语音信号的FIR滤波-Plus a high-frequency cosine noise to the original speech signal, the frequency of 3.6KHz and 3.8kHz, voice signal FIR filter
zaoshenghuajing-xiayuyin-jiance
- 语音的端点检测 噪声可以自己加 使用阈值进行检测 能量的阈值跟据经验来进行决定-Speech endpoint detection noise can add to the threshold detection energy threshold according to experience to the decision
fir
- 噪声滤波去除程序,附带处理好的语音信号。收藏下-Noise filtering to remove the program, incidental to deal with a good voice signal. Collection under