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lms
基于lms的改进型谱减法，降低噪声效果好(Improved LMS-based spectral subtraction, noise reduction effect)
- 2008-05-07 13:30:14下载
- 积分：1
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ISM
房间脉冲响应函数IMAGE,用于计算房间混响时间的(Room impulse response function IMAGE, used to calculate the room reverberation time)
- 2021-01-24 11:58:38下载
- 积分：1
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hmm
hmm文件时运用HMM算法实现噪声环境下语音识别的。其中vad.m是端点检测程序；mfcc.m是计算MFCC参数的程序；pdf.m函数是计算给定观察向量对该高斯概率密度函数的输出概率；mixture.m是计算观察向量对于某个HMM状态的输出概率，也就是观察向量对该状态的若干高斯混合元的输出概率的线性组合；getparam.m函数是计算前向概率、后向概率、标定系数等参数；viterbi.m是实现Viterbi算法；baum.m是实现Baum-Welch算法；inithmm.m是初始化参数；train.m是训练程序；main.m是训练程序的脚本文件；recog.m是识别程序。(hmm HMM algorithm file using speech recognition in noisy environments. Which is the endpoint detection process vad.m mfcc.m procedure is to calculate the MFCC parameters pdf.m function is calculated for a given observation vector of the Gaussian probability density function of output probability mixture.m is to calculate the observation vector for a HMM state output probability of observation vector is the number of Gaussian mixture per state output probability of the linear combination getparam.m before the calculation of the probability function, backward probability, calibration coefficients and other parameters viterbi.m is Viterbi algorithm implementation baum.m Baum-Welch algorithm to achieve inithmm.m is the initialization parameters train.m is the training program main.m training program is a script file recog.m is to identify procedures.)
- 2010-09-16 20:51:49下载
- 积分：1
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Abdul_Syafiq_Abdull_Sukor
the document explains speech recognition using mel frequency cpstrum coeefficient and noise reduction method
- 2012-11-21 04:35:09下载
- 积分：1
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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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speech processing
中国科学技术大学本科课程语音信号处理实验代码(speech processing code for USTCers)
- 2020-11-11 10:59:44下载
- 积分：1
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duoxinhaofenli
多信号分离MUSIC的经典学习程序
对初学者帮助很大(it is a baisc and useful code of the multiple signal classfication for the beginners.)
- 2013-09-11 20:32:20下载
- 积分：1
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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, program results, the design after a voice) to set the filter rules of performance indicators (reference, practice, each student adding noise may be) passband cutoff frequency wp = 0.25* pi. Window function method to design low pass, high pass, band-pass FIR filter, filtering the voice signal before and after adding noise, draw the filter frequency response plot the time-domain waveform and spectrum of the filtered signal, and filtering the signal before and after comparison and analysis of signal changes the filtering effect of the various methods in the same performance indicators, and the theoretical analysis)
- 2021-01-15 00:28:46下载
- 积分：1
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process_params
parameter参数提取程序，matlab实现(parameter process in matlab)
- 2021-01-22 10:58:45下载
- 积分：1
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NLMS
用NLMS实现对语音的回声的消除,共4个文件,语音原声,语音回声,NLMS的实现,回声路径(Using NLMS realize voice echo on the elimination of a total of four documents, voice, soundtrack, voice echo, NLMS realization echo path)
- 2021-04-13 09:48:56下载
- 积分：1
