i am working on audio watermarking.so pleaase send me matlab code for audio watermarking for guidance
thnks

email me to [email protected] ....etc

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DIGITAL WATERMARKING ON AN AUDIO FILE THROUGH SIGNAL PROCESSING
Authors:
S. K. Moinuddin, M. Tipu Sait,
ECE Dept., ECE Dept.,
SJCET, SJCET,
Reg No: 06G31A04A7 Reg No: 06G31A0467
ST. JOHNS COLLEGE OF ENGINEERING & TECHNOLOGY
YERRAKOTA, YEMMIGANUR-518360,
KURNOOL DIST., A.P
Introduction:
Audio watermarks are special signals embedded into digital audio. These signals are extracted by detection mechanisms and decoded. Audio watermarking schemes rely on the imperfection of the human auditory system ....etc

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please send me seminar report on DIGITAL DUDIO WATERMARKING to email:[email protected] ....etc

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Dwt based audio watermarking ppt,report,other details. ....etc

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#define PTS 256 //# of points for FFT
typedef struct {float real,imag;} COMPLEX;
extern COMPLEX w; //twiddle constants stored in w

void FFT(COMPLEX *Y, int N) //input sample array, # of points
{
COMPLEX temp1,temp2; //temporary storage variables
int i,j,k; //loop counter variables
int upper_leg, lower_leg; //index of upper/lower butterfly leg
int leg_diff; //difference between upper/lower leg
int num_s ....etc

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i am t doondi ramesh,
gudlavalleru engineering college, gudlavalleru.
i want the the information about the DIGITAL WATERMARKING ON AN AUDIO FILE THROUGH SIGNAL PROCESSING. ....etc

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ABSTRACT
Digital watermarking is a technique used for preventing illegal copying and tampering of data. It is similar to the paper watermarking. It is mainly used for two purposes: authentication of data and copyrighting. Using copyrighting we can trace illegal copies of digital data and certify original owners. Also in case of dispute over a data the watermark can be used to prove the ownership. In watermarking the original data is superimposed with a signal containing the copyrighting information. This signal is not per ....etc

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sir i need PPt n report reagarding single point n overlap FFT. if u can helpme it will be great of u. ....etc

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Audio Watermarking



INTRODUCTION

Digital Data can be shared by multiple users, distributed over network, and managed for long period time without any damage.
In contrast to these, the copyright protection problem arises, since unauthorized copying and distribution of digital data are simplified, too.
As a result, a technique called digital watermarking is introduced to protect the ownership of these contents.

AUDIO WATERMARKING

Digital Audio Watermarking is a technology to hide info ....etc

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i need matlab code for digital watermarking using fft ....etc

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