-
MP3-watermarking
说明: :针对MP3 编码方式和帧结构进行分析,利用帧中的比例因子提出了一种压缩域水印算法。算法通过引入帧变化分析步
骤,很好地实现了水印的自适应嵌入。对于不同的系统要求,还可以通过修改门限信噪比的值SNRlim按需进行水印嵌入,使算法
具有更大灵活性。同时在牺牲一定的嵌入空间前提下,实现了水印信息的自同步。实验表明,对于不同风格的音乐,该水印算法
具有很好的不可听性。(In this paper,the encoding method and the frame structure of MP3 are expounded in detail,a watermark algorithm
is proposed based on the scale factor in MP3 frame.By introducing the step of frame altering analysis,the algorithm
can realize that watermarks is embedded adaptively.By modifying threshold SNRlim(the ratio of signal to noise),the algorithm
can meet different requirements of some system,that is what enable the algorithm to have a bigger flexibility.Based on expense
of some embedding positions,the watermark can be embedded with self-synchronization.The experiment results show
this algorithm can get a good audio effect with various types of audio.)
- 2011-02-24 11:50:25下载
- 积分:1
-
linearSearchEngine
linear search engine for using matrix multiplication and cosine equivalence to find relevent entries based on vector querues
- 2014-12-13 05:19:48下载
- 积分:1
-
HVDC
基于MATLAB的高压直流输电仿真模型,模型包含整流和逆变两个部分。仿真模型运行结果成功,波形良好。(Based on MATLAB, the HVDC transmission simulation model consists of two parts: rectification and inverter. The simulation model runs successfully and the waveform is good.)
- 2018-12-23 10:06:39下载
- 积分:1
-
Mod_double_bande_avec_Porteuse
mod double band porteuse
- 2011-06-22 19:51:43下载
- 积分:1
-
gongyou
工程优化算法中的 黄金分割法 进退法 三点插值法 matlab编写 简单实用 (Engineering optimization of the golden section method in the algorithm Matlab to write simple and practical)
- 2012-05-16 11:47:07下载
- 积分:1
-
噪声中非平稳信号频谱分析
说明: 噪声中的非平稳信号的频谱分析的matlab代码(Matlab code for spectrum analysis of non-stationary signals in noise)
- 2019-05-27 09:20:22下载
- 积分:1
-
石墨烯电导率(已知弛豫时间)
说明: 描述了石墨烯电导率与弛豫时间的关系,谐振波长与基底折射率的关系。(The relationship between the conductivity of graphene and the relaxation time, the relationship between the resonance wavelength and the refractive index of the substrate are described.)
- 2020-06-06 13:59:37下载
- 积分:1
-
Matlab-and-C-CPP-mixed-programming
Matlab 和C C++ 混合编程
刘维编著(Matlab and C C++ mixture programming)
- 2013-09-09 20:53:41下载
- 积分:1
-
matlab
frequency hopping soucce code
- 2013-10-28 20:44:39下载
- 积分:1
-
MATLABzhushi
matlab的诸事方法………………属实注释方法(matlab sorts of methods ... ... ... ... ... ... true methods Notes)
- 2008-05-19 21:46:47下载
- 积分:1