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BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
Matlab-Wavelet-Denoise-Compress
- Matlab-Wavelet-Denoise-Compress.关于小降噪的练习,很好的应用!-Matlab-Wavelet-Denoise-Compress. The practice of small noise, a very good application!
matlabwatermaker
- 一种用Matlab实现的基于小波变换的音频数字水印.-A Matlab realization of wavelet transform-based audio digital watermarking.
dwt2
- 本文提出了一种基于独立分量分析的音频数字水印方法。嵌入水印时,对原始音频文件进行一级小波分解,在分解 得到的逼近分量中利用随机混合方法嵌入水印后进行小波逆变换形成嵌入水印的音频文件。仿真实验结果表明这种方 法的强鲁棒性和可行性。-Abstract:Audio p roduction is one of the important digital multimedias, which transmit becomes more and more convenient. To p rev
M_program
- 音频水印的matlab相关程序,包括两个部分:小波域音频水印(含修正离散余弦变换)及基于HRT和线性回归检测水印的算法。 -Matlab audio watermark-related procedures, including two parts: audio watermarking in wavelet domain (including MDCT) and linear regression based on the HRT and the watermark detection a
logistic_dwt
- 】利用混沌动力学系统中logistic 映射先对水印图像进行置乱预处理以增强其鲁棒性, 在小波域中将原始音频信号按比例分段, 此比例为原始音频信号低频部分与水印信号个数之比, 然后将水印信号加入到音频信号的 低频部分。用StirMark 攻击后的实验结果表明, 该算法对StirMark 的部分攻击具有一定的鲁棒性。-The logistic- map sequences to encrypt the watermark are used. The original audio signal
audiowaterprint
- 这是在matlab开发环境下,编程实现基于小波变换的音频水印的嵌入,提取,检测等工作。-It is the matlab code for audio waterprint based on wavelet transform,embeding and extration of the waterprint are included.
DWTMATLAB
- 先将47168bit的宿主音频等步长分段,分为1000段,然后混沌序列选择其中的102段,对每段进行3及小波分解,挑选出绝对值最大的系数,运用嵌入公式。-47168bit first step of the host audio sub-divided into section 1000, and then select one of the 102 chaotic sequence segment, on each piece of a 3 and wavelet decomposition,
xiaoboquzao
- 音频小波去噪程序 不是图像方面的,不要下错了-Audio wavelet denoising process is not the image area, not under the wrong
MFCC_DWT
- 基于频率到谱技术的离散小波变换的音频识别技术-Frequency to the spectral techniques based on discrete wavelet transform audio recognition technology
dwt1
- 本代码是利用dwt小波分析,实现了对音频加入灰度水印的源代码,可直接运行,生成两个音乐文件,一个是嵌入声音后的,另外一个是噪声文件。-This code is the use of wavelet analysis dwt, the realization of audio into grayscale watermark source code can be run directly, generates two music files, one after the embedded voic
Wavelet
- 传统的信号理论,是建立在Fourier分析基础上的,而Fourier变换作为一种全局性的变化,其有一定的局限性。在实际应用中人们开始对Fourier变换进行各种改进,小波分析由此产生了。小波分析是一种新兴的数学分支,它是泛函数、Fourier分析、调和分析、数值分析的最完美的结晶;在应用领域,特别是在信号处理、图像处理、语音处理以及众多非线性科学领域,它被认为是继Fourier分析之后的又一有效的时频分析方法。 小波变换与Fourier变换相比,是一个时间和频域的局域变换因而能有效地从信号中提
Wavelet-based-audio-watermark--code
- 基于小波的音频水印嵌入代码。采用DB1小波-Wavelet-based audio watermark embedding code. Using wavelet DB1
wavelet-transmit-of-audio
- 在小波域中,以图像作为水印信息,嵌入以声音为载体信号的源程序。-n wavelet domain to image as a watermark, embedded with sound as the carrier signal source program.
walet
- 音频信号的小波分解与重构实例,在MATLAB里调用sym1小波函数进行三层分解。-audio signal decomposition and reconstruction by means of wavelet
Digital-audio-watermarking
- 这是一个基于小波的数字音频程序。对于最近做毕业设计的同学有帮助。 -This is a wavelet-based digital audio programs. For students recently graduated design.
watermark
- 基于均值量化的小波域音频水印,完成水印的添加和提取,以及水印的性能量化计算-Wavelet domain audio watermarking
audiowatermark
- M-file for Binary Image Watermarking in the Wavelet Domain of the Audio Signal
Audio-denoising-deepa
- 1. Extract files and run Audio_denoise_main.m file folder... 2. Click on Load & play Audio file and Original sound.wav file 3. Then using slider AWGN (White gauusion noise)...it is vary 1 to 10 set it to 10.. 4. now click on Add Noise and play.
audio-watermarks
- 基于DWT的音频水印算法,采用小波变换,阿诺德置换实现水印的嵌入和提取。-Audio watermarking algorithm based on Wavelet Transform
