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melp-MATLAB1

于 2012-09-19 发布 文件大小:912KB
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下载积分: 1 下载次数: 48

代码说明:

  melp编解码 matlab 程序 (melp codec matlab program)

文件列表:

melp-MATLAB1
............\common
............\......\CODEBOOK_FMCQ1.m,12858,2003-03-24
............\......\CODEBOOK_FMCQ2.m,14299,2003-03-24
............\......\coeff.m,4667,2003-03-21
............\......\d_lsf.m,331,2002-05-14
............\......\melp_bandpass.m,2689,2002-03-05
............\......\melp_lsf2lpc.m,463,2003-03-23
............\......\stage.m,37180,2003-03-24
............\decode
............\......\CODEBOOK_FMCQ1.m,12858,2003-03-24
............\......\CODEBOOK_FMCQ2.m,14299,2003-03-24
............\......\coeff.m,4667,2003-03-21
............\......\d_ase.m,752,2002-07-08
............\......\d_disp.m,215,2002-06-28
............\......\d_ga.m,179,2002-06-28
............\......\d_gains.m,512,2003-03-26
............\......\d_init.m,878,2003-03-26
............\......\d_k1.m,202,2003-03-26
............\......\d_lps.m,243,2002-06-28
............\......\d_lsf.m,331,2002-05-14
............\......\d_mix.m,717,2002-06-28
............\......\d_pdfs.m,1002,2003-02-26
............\......\inversedmale.wav,87164,2005-06-23
............\......\melp_bandpass.m,2689,2002-03-05
............\......\melp_decoder.m,2381,2011-04-04
............\......\melp_lsf2lpc.m,463,2003-03-23
............\......\noise_est.m,225,2003-03-26
............\......\noise_sup.m,336,2003-03-26
............\......\README.txt,133,2003-04-04
............\......\stage.m,37180,2003-03-24
............\encode
............\......\alert.wav,1837,2004-12-29
............\......\CODEBOOK_FMCQ1.m,12858,2003-03-24
............\......\CODEBOOK_FMCQ2.m,14299,2003-03-24
............\......\coeff.asv,4737,2005-06-23
............\......\coeff.m,4826,2011-04-04
............\......\dc_rmv.m,595,2003-03-23
............\......\double_ck.m,975,2003-03-23
............\......\double_ver.m,300,2003-03-23
............\......\d_lsf.m,331,2002-05-14
............\......\find_harm.m,659,2003-03-23
............\......\FPR.m,1619,2003-03-23
............\......\intpitch.asv,719,2012-09-18
............\......\intpitch.m,746,2012-09-18
............\......\lpc_residual.m,288,2003-03-23
............\......\lsfcomp.m,200,2003-02-26
............\......\lsf_clmp.m,881,2005-06-25
............\......\male1.wav,87866,2005-06-22
............\......\male8000.wav,18516,2005-06-22
............\......\MaleVoice.pk,8000,2005-06-22
............\......\MaleVoice.wav,507164,2005-06-18
............\......\melp_5b.m,896,2011-04-04
............\......\melp_ana.asv,4956,2012-02-14
............\......\melp_ana.m,5295,2012-09-17
............\......\melp_ana_解释备份.m,5295,2012-02-14
............\......\melp_APU.m,396,2003-03-24
............\......\melp_bandpass.m,2689,2002-03-05
............\......\melp_bpva.m,724,2003-03-24
............\......\melp_encode.m,3119,2005-04-11
............\......\melp_FMCQ.m,338,2003-03-18
............\......\melp_gain.m,555,2003-03-23
............\......\melp_iir.asv,771,2011-04-04
............\......\melp_iir.m,771,2005-06-23
............\......\melp_init.asv,1753,2005-06-23
............\......\melp_init.m,1752,2005-06-23
............\......\melp_lpc.asv,599,2005-06-23
............\......\melp_lpc.m,608,2005-06-23
............\......\melp_lpc2lsf.m,1613,2002-06-25
............\......\melp_lsf2lpc.m,463,2003-03-23
............\......\melp_MSVQ.asv,1866,2005-06-22
............\......\melp_MSVQ.m,1866,2005-06-22
............\......\melp_Qgain.m,652,2003-03-23
............\......\melp_wf.asv,122,2005-06-21
............\......\melp_wf.m,134,2005-06-21
............\......\pitch2.m,488,2012-02-14
............\......\pitch3.asv,847,2012-02-14
............\......\pitch3.m,875,2012-02-14
............\......\README.txt,42,2003-04-04
............\......\stage.m,37180,2003-03-24
............\......\Test.wav,268044,2001-04-23
............\......\untitled.mdl,21018,2012-02-17
............\......\程序说明.doc,204800,2011-04-04
............\t.m,1258,2005-06-21

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  • Dereverberation
    通常语音信号在增强时会出现混响现象,演讲者为了消除背景混响,不得不频繁地偏转头部的方向,这样会造成脉冲响应的不断改变。我们结合盲解卷法和频谱消去法来提高逆滤波器的滤波效果。我们利用输入语音信号间的相关系数矩阵计算出稳定、精确的室内脉冲响应的逆滤波器,而这些输入信号无需测量室内的脉冲响应就能被观测到。逆滤波能够消除早期的反射,这些反射包含混响中的绝大部分能量。之后,用频谱消去法来抑制逆滤波后的信号的尾部混响。本方法在实际适应性方面的表现通过具体的实验进行了验证,结果表明盲解卷法和频谱消去法的结合相较于单独使用一种方法,能够提供一个更优越的演说环境。(Usually voice signal will be enhanced when the reverberation phenomenon, the speaker in order to eliminate the background reverberation, and had to frequently deflect the direction of the head, this will cause the impulse response of changing. We combine the blind deconvolution and spectral elimination method to improve the filtering effect of the inverse filter. We use the correlation coefficient matrix between the input speech signal to calculate the stable, accurate inverse filter of the indoor impulse response, and these input signals do not need to measure the room impulse response can be observed. Inverse filtering to eliminate early reflections, these reflections contains most of the energy in the reverberation. After the spectrum elimination method to suppress the tail reverberation of the signal after the inverse filtering. Performance in the actual adaptation of the method by specific experimental validation results show that the blind deconvolution and spectrum to eliminate )
    2012-04-17 22:18:00下载
    积分:1
  • wden1.rar
    优化小波阈值,对硬阈值和软阈值的改进,通常用于语音信号增强,去噪(Optimization of wavelet threshold, the hard threshold and soft threshold improvement, commonly used in speech signal enhancement and denoise)
    2020-12-02 18:29:26下载
    积分:1
  • quzao
    基于谱减法的语音降噪处理,里面有声音文件,可以直接运行观察效果(Based on the spectral subtraction speech denoising processing, there are sound files, can be run directly observed effect)
    2020-07-04 19:00:01下载
    积分:1
  • voice_analysis
    code for voice analysis final code for sapeech recognition
    2009-06-02 00:04:56下载
    积分:1
  • PSDownload
    评书,语音小说下载程序,修改一下可批量下载(Storytelling, voice novels download, modify available for bulk download)
    2013-08-23 11:51:27下载
    积分:1
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    c语言写的wav音频文件简单处理函数源码,包括wav_io处理,提取lpc系数、plar系数,可用于语音识别和合成中。可直接调用。(wav audio files simple c language handler source, including wav_io processing, extraction lpc coefficient plar coefficient, can be used for speech recognition and synthesis. Can be called directly. )
    2020-11-17 09:29:39下载
    积分:1
  • sound_location
    实现声源定位功能,利用两个麦克风的语音数据获得原始声源的位置!(Achieve sound localization function, using two microphones for voice access to the original source data location!)
    2010-05-21 21:21:41下载
    积分:1
  • shangFunc
    基于熵的端点检测算法,比传统的端点检测能更精确的检测出端点(endpoint detection algorithm than the traditional endpoint detection more accurate detection of Endpoint)
    2007-03-22 15:53:02下载
    积分:1
  • main
    对语音信号基频的提取对于语音信号的分析有一定作用(Basic frequency of speech Analysis )
    2014-05-22 12:28:43下载
    积分:1
  • mfcc
    谱减去,最常用的程序,实习除噪,语音增强(To achieve denoising)
    2012-05-08 15:39:06下载
    积分:1
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