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spectrumsub
实现在单信道语音信号处理中的降噪,用Spectral Subtraction算法实现的,内涵音频文件,代码中包括给纯净音频文件加噪声的部分。(Noise reduction in single-channel speech signal processing, using the Spectral Subtraction algorithm, the connotation of an audio file, the code in the package
Including pure audio files and part of the noise.)
- 2020-07-04 03:00:02下载
- 积分:1
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speech-enhancement
本资料涵盖了几乎所有的语音增强方面的方法,主要有谱减法,听觉掩蔽,最小均方误差,维纳滤波以及一些非主流的方法,这些对于研究语音增强的人来说是很有帮助的(The data cover almost all aspects of speech enhancement methods, the main spectral subtraction, auditory masking, minimum mean square error, Wiener filtering as well as some non-mainstream approach, which for the study of speech enhancement is helpful for people who)
- 2021-05-13 09:30:03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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mfccPSVM
本实例程序是基于matlab的语音识别程序,通过提取传统的MFCC特征集,采用当前流行的SVM分类器,作为对比实验是一个不错的选择。(This example program is popular SVM classifier matlab speech recognition program to extract MFCC feature set, as a comparative experiment is a good choice.
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- 2012-07-04 15:19:10下载
- 积分:1
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TPCALDAAh
这是自己毕业设计做的PCA和LDA的结合,训练和识别别过程都有,用的是ORL库里的图像,具有较高的识别率!
(This is a combination of PCA and LDA graduation design, training and do the process of the identification with ORL library of images, has a high recognition rate!)
- 2012-07-19 11:21:01下载
- 积分:1
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ica-and-pca
基于matlab环境下的一个独立分量分析的小程序,包括对三个语音信号混合后的ica分析(Analysis program based on an independent component in the Matlab environment, including analysis of three speech signals mixed after ica)
- 2012-07-12 17:30:07下载
- 积分:1
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negentropy
基于负熵的盲源分离算法,可以用于语音的盲分离,提高语音信号质量(Negative entropy algorithm based on blind source separation, can be used to blind separation of speech, improve the quality of voice signal)
- 2020-06-30 11:20:02下载
- 积分:1
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feature_extraction_in_speech_recognition1980
最权威和最全面的语音识别的特征提取的 IEEE的期刊论文1980(The most authoritative and comprehensive speech recognition feature extraction of the IEEE Journal Papers 1980)
- 2007-09-11 13:24:34下载
- 积分:1
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语音信号处理-赵力 PDF
语音信号处理课件:语音基础知识、短时时域分析、频域分析、倒谱域分析、线性预测技术、语音增强、语音识别(Speech signal processing courseware: basic knowledge of speech, short-term time domain analysis, frequency domain analysis, cepstrum domain analysis, linear prediction technology, speech enhancement, speech recognition)
- 2019-06-28 23:09:40下载
- 积分:1
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ANC matlab simulink
Active Feedforward Narrowband Noise Cancellation using Matlab and Simulink
- 2009-06-27 14:34:16下载
- 积分:1