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matlab_shuziyuyin

于 2020-12-22 发布 文件大小:231KB
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  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)

文件列表:

数字语音信号处理
................\FIRBandPass.m,1562,2011-12-03
................\FIRHighPass.m,1771,2011-12-04
................\FIRLowPass.m,1810,2011-12-03
................\IIRBandPass.m,1456,2011-12-04
................\IIRHighPass.m,1512,2011-12-04
................\IIRLowBass.m,1653,2011-12-04
................\加噪后.m,236,2011-12-04
................\噪声构建.m,272,2011-12-04
................\时域波形图.m,71,2011-12-04
................\课设测试.wav,384044,2011-12-02
................\频谱图.m,115,2011-12-04

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  • ACF
    自适应滤波器设计的matlab源程序,包括LMS,RLS,Kalman滤波等(Adaptive filter design matlab source code, including the LMS, RLS, Kalman filtering)
    2007-11-29 16:41:36下载
    积分:1
  • Voice
    三种降噪,回声和变调的语音信号处理,含UI界面(Three kinds of noise reduction, echo and tone of voice signal processing, including UI interface)
    2016-05-12 23:05:55下载
    积分:1
  • transfer
    matlab实现的基于小波变化的语音去噪源码,可以去除语音中的背景噪声。(Matlab based on the wavelet changes in the voice de-noising source, you can remove the background noise in the voice.)
    2017-05-02 18:11:46下载
    积分:1
  • LSCF
    频域的模态参数识别方法之一,可以对振动信号进行分析处理,得出结构的固有频率,阻尼比,振型系数,方法很好,程序完整(Frequency-domain modal parameter identification methods that can analyze the vibration signal processing, draw the structure of natural frequencies, damping ratio, mode shape coefficient, very good method, program integrity)
    2020-07-03 06:20:02下载
    积分:1
  • smart_car
    手机端蓝牙连接设备(以小车为例),通过按键、本地语音识别(pocketsphinx)和重感控制设备,蓝牙连接地址在BluetoothTools中修改,本地需要配置NDK环境才能编译。(Bluetooth mobile client devices (for example in the car), buttons, local speech recognition (pocketsphinx) and heavy sense of control devices, Bluetooth connectivity address BluetoothTools modify the local environment can be configured to compile NDK.)
    2014-05-05 20:34:27下载
    积分:1
  • FIR
    绘制一段语音信号的波形并观察其频谱,用三角窗设计一个满足给定相应技术指标的FIR滤波器,对该语音信号进行滤波去噪处理,比较滤波前后的波形和频谱并进行分析。
    2021-03-22 16:29:16下载
    积分:1
  • mhmm_logprob
    语音识别的hmm技术,对做语音识别的朋友很有帮助 (Hmm speech recognition technology, speech recognition make friends very helpful)
    2008-03-27 09:17:37下载
    积分:1
  • GMM
    GMM说话人识别平台全套,从特征提取到模式识别,到识别率,一整套都有(GMM speaker recognition platform full, from feature extraction to pattern recognition, the recognition rate, set both)
    2013-07-20 19:01:49下载
    积分:1
  • Cepstrum
    这是语音信号处理中求倒谱的程序,我自己编的,很简单,实现了一段序列求倒谱的功能(This is the voice signal processing for cepstrum procedures, I developed, is very simple. achieve a sequence for the functional cepstrum)
    2006-10-11 20:12:24下载
    积分:1
  • recognition
    一种加权K近邻语音情感识别程序,包括部分柏林语音情感库(A Weighting K-nearest neighbor speech emotion recognition program, including some libraries Berlin Speech Emotion)
    2013-09-04 16:15:24下载
    积分:1
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