ANJANA KRISHNAN A

Active since 2017

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problems in vigenere square encryption algorithm
I used vignere square encryption algorithm in my code for steganography. I took code from here : https://in.mathworks.com...

9 years ago | 0 answers | 0

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answers

Question

How can i find SNR, PEAQ and ODG values by comparing two audios?
I have two audio A and B.B is the noisy version of A.I want to know how much B is different from A. Can i do this by calculatin...

9 years ago | 0 answers | 1

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answers

Question

Pseudo random number sequence with non-repeating elements
I want to generate a pseudo random number sequence which doesn't repeat any of its elements. For example,I need 25 elements i...

9 years ago | 1 answer | 0

1

answer

Question

FFT and IFFT of audio signal
I was trying to take FFT of an audio and then take IFFT to get the same audio.But i didn't get the entire audio.There wasn't any...

9 years ago | 1 answer | 0

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Question

How can I play an audio whose sample values were read as 'native' ??
I used wavread command to read a wavfile as 'native'.I want to play that audio. Can I play it using sound() in matlab? If...

9 years ago | 1 answer | 0

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Question

Error while using dec2bin() : too many input arguments
when i run this code: M = 'Hello'; % Now encode: Mbinlong = reshape(dec2bin(double(M),7).',[],1) I get this error : ...

9 years ago | 1 answer | 0

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answer

Question

How can represent a recorded speech signal(.wav format) as a binary matrix?
A audio(in wav format) is read to variable 'p' using wavread().The sample values p contain vary between -1 and +1.what i exactly...

9 years ago | 1 answer | 0

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answer