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vaishali passi


Active since 2013

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How to do embedding of watermark using PN sequence in audio signal using frequency hopping technique ?
For my project I am refering to the paper in which these lines are mentioned:- Watermark embedded into the audio signal in fr...

10 years ago | 1 answer | 0

1

answer

Question


How to do time delay in PN sequence
My project is based on audio watermarking with time spread echo method. For this I have generated PN sequence and for encoding ...

11 years ago | 1 answer | 0

1

answer

Question


how can I do time shifting of 0.001seconds in a dirac delta function and in a PN sequence. means i want p(n-.001) each time i try i get the following error :- Attempted to access PN1(1,0.999); index must be a positive integer or logical. my code is:
for x=1:1023 temporary = PN1(1,x); new_index =(x-delta); PN1(1,new_index) = temporary; end

11 years ago | 1 answer | 0

1

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