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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
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LMSmatlab
这 里主要对LMS算法及一些改进的LMS算法(NLMS算法、变步长LMS算法、变换域LMS算法)之间的不同点进行了比较,在传统的LMS算法的基础上发 展了LMS算法的应用。另一方面又从RLS算法的分析中对其与LMS算法的不同特性进行了比较。(Here mainly on the LMS algorithm and some improvements of the LMS algorithm (NLMS algorithm, variable step size LMS algorithm, transform domain LMS algorithm) between the different points of comparison, in the traditional LMS algorithm developed on the basis of the application of the LMS algorithm. On the other hand from the analysis of RLS algorithm and LMS algorithm for its different characteristics compared.)
- 2021-03-06 12:59:30下载
- 积分:1
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FFTandicft
C语言fft和ifdct的函数,可以直接使用(C language functions fft and ifdct can be directly used)
- 2009-01-22 00:37:40下载
- 积分:1
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MUSIC
基于麦克风阵列的声源定位一维music算法源代码(Based on the microphone array beamformer one-dimensional music algorithm source code)
- 2021-04-13 23:18:55下载
- 积分:1
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spetro.m
语音信号的语谱图生成函数,function [ ] = spetro(Winsiz, Shift, Base, Mode, Gray),5个参数分别为帧长、帧移、取值门限(一般设为0)、彩色模式、灰度模式(This is a matlab function for creating speech spectrogram.)
- 2015-07-04 11:52:18下载
- 积分:1
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speech-signal-processing
用matlab对采集到的语音进行语音信号处理 包括设置各种滤波器 低通 高通 以及带通
设置好后 观察结果 (speech signal processing)
- 2012-04-25 09:16:52下载
- 积分:1
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LMS_PI
功率倒置算法的LMS实现,因为自己遇到了点问题,本人一直在找这个程序,没找到,故自己重新检查把问题发现了,相信如果你要实现的话可能会遇到这个问题祝你好运!(Power inversion algorithm LMS implementation, because they encountered a point problem, I ve been looking for this program, did not find it to re-examine the problem yourself discovered, I believe if you want to achieve, then you may encounter this problem Good luck!)
- 2021-03-21 18:39:17下载
- 积分:1
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LMS-Algorithm
11阶自适应滤波器的LMS算法,并且与RLS进行了比较(11 steps LMS adaptive filter algorithm and the RLS were compared)
- 2012-11-26 14:33:46下载
- 积分:1
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PersonalRecord
非常实用的java小实例,个人录音,实现了很简单的小功能,对于我们初学者很有帮助哦,拿来分享给大家。(Very practical examples of java small, personal recording, to achieve a very simple little feature, very helpful for us beginners Oh, bring to others.)
- 2011-12-06 10:21:11下载
- 积分:1
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AFD1-AFD2
光伏孤岛检测经典移相法,移频法,还有被动识别法的仿真(PV islanding detection classical phase shift method, the shift frequency, as well as passive identification method simulation)
- 2013-03-21 10:43:18下载
- 积分:1