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fenxing
- 为提高语音端点检测(VAD)在较低信噪比(10 dB)下的准确率,提出一种基于短时分形维数的改进算法。结合语音信号的特点,对2种常用的语音信号分形维数计算方法进行了比较和选择,同时采用动态跟随门限值实现语音端点的自适应检测。试验结果表明:对于信噪比6~10 dB的带噪语音,此方法可以实现整段语音的检测,而且具有一定的噪声鲁棒性,系统运行期间能够自适应调整门限值以适应环境噪声的变化,提高了VAD算法的准确率。这个是源码matlab。-In order to improve voice activi
detection
- 基于倒谱，分形，和谱熵的语音端点检测程序，三个文件夹内对应三种程序-Cepstrum-based, fractal, and spectral entropy of speech endpoint detection procedures, the three folders corresponding to the three procedures
fenxing
- 语音端点检测小程序，利用分形方法对语音信号进行端点检测-Speech endpoint detection of small programs, using fractal method for endpoint detection of speech signals
endpoint_detection
- 噪声环境下的端点检测在语音信号分析和识别中占有重要地位。文中将分形理论中的分形记盒维数应用到端点检测算法中，采用了基于分形记盒维数与短时能零比相结合的端点检测算法，以分形记盒维数为主要判决条件，并在判决门限的设定上采用了自适应机制。-Noise environment endpoint detection in speech signal analysis and identification play an important role. Wen will be fractal theory
Fractals
- Source, used to develop fractal-based application. Was developed as part os speech recognition project, just like one of support tools. Wasn`t useful for that task, but supported multiple analytic operations with fractals.
Wavelet-algorithm
- 小波分析诞生于20世纪80年代, 被认为是调和分析即现代Fourier分析发展的一个崭新阶段。众多高新技术以数学为基础,而小波分析被誉为“数学显微镜”,这就决定了它在高科技研究领域重要的地位。目前, 它在模式识别、图像处理、语音处理、故障诊断、地球物理勘探、分形理论、空气动力学与流体力学上的应用都得到了广泛深入的研究,甚至在金融、证券、股票等社会科学方面都有小波分析的应用研究-Wavelet analysis was born in the 1980s, is considered the mo
fexingzaiyuyinzhongdeyingyong
- 几篇分形理论在语音信号处理中应用的文献，主要应用于去噪和断点检测-Several fractal theory applications in speech signal processing literature, mainly used in denoising and break detection
fenxingwaiwen
- 几篇分形的外文文献，来自IEEE，其中介绍分形在语音处理上的应用，有设计到分形维数轨迹的构造-Several fractal foreign literature, from the IEEE, which describes the fractal applications in speech processing, there are design to track the fractal dimension of the structure
yuyinshibie
- 语音识别的文献总汇，包括非线性，混沌和分形-The speech recognition literature club, including nonlinear, chaos and fractal
fractical-dimension
- 用于语音识别的分形维数计算的MATLAB例程，内含程序及说明-MATLAB routines for speech recognition fractal dimension calculation, containing procedures and instructions
Fractal
- 分形维数应用与MATLAB实现——借助分形维数理论，对二维图像和语音信号进行分析计算，让读者真正掌握分析盒维数的计算。-Fractal dimension and MATLAB realization——With the fractal dimension theory, the two-dimensional image and speech signal analysis and calculation, so that the reader grasp the real calculati
kanqen_v17
- 采用偏最小二乘法，语音信号的采集与处理，数字信号处理课设，分形维数计算的毯子算法matlab代码。- Partial least squares method, Acquisition and Processing of the speech signal, digital signal processing class-based, Fractal dimension calculation algorithm matlab code blankets.
juigao_v88
- 包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，使用混沌与分形分析的例程，完整的基于HMM的语音识别系统。- Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Use Chaos and fractal analysis routines, Complete HMM-based speech recognition system.
juinei_v40
- 完整的基于HMM的语音识别系统，分形维数计算的毯子算法matlab代码,数据模型归一化，模态振动。- Complete HMM-based speech recognition system, Fractal dimension calculation algorithm matlab code blankets, Normalized data model, modal vibration.
guimen_v54
- 语音信号的采集与处理，数字信号处理课设，实现了图像的加水印，去噪，加噪声等功能，可直接计算得到多重分形谱。- Acquisition and Processing of the speech signal, digital signal processing class-based, Realize image watermarking, de-noising, plus noise and other functions, It can be directly calculated multi
qeilang
- 分形维数计算的毯子算法matlab代码,语音信号的采集与处理，数字信号处理课设，ldpc码的编解码实现。- Fractal dimension calculation algorithm matlab code blankets, Acquisition and Processing of the speech signal, digital signal processing class-based, Codec ldpc code implementatio.
ning_kb76
- 可直接计算得到多重分形谱,基于小波变换的数字水印算法matlab代码，语音信号的采集与处理，数字信号处理课设。- It can be directly calculated multi-fractal spectrum, Based on wavelet transform digital watermarking algorithm matlab code, Acquisition and Processing of the speech signal, digital signal proc
tui_ac80
- 直线阵采用切比学夫加权控制主旁瓣比，语音信号的采集与处理，数字信号处理课设，使用混沌与分形分析的例程。- Linear array using cut than learning laid upon the right control of the main sidelobe ratio, Acquisition and Processing of the speech signal, digital signal processing class-based, Use Chaos and fr
219188
- Acquisition and Processing of the speech signal, digital signal processing class-based, Numerical solution of differential equations method, Use Chaos and fractal analysis routines.
etihy
- Acquisition and Processing of the speech signal, digital signal processing class-based, Use Chaos and fractal analysis routines, Since writing the curvature calculation function.