Reading and writing in audio file
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Hello Everyone!
Im doing project on audio steganography. Im reading wav file in integer format so that i can apply lwt to get integer coefficients. Now after embedding secret text i need to re-construct the audio by applying ilwt and converting it to double precision and save in wav file. It will be gratefull if you help me to convert the coefficient values after applying ilwt, to double. Here is code
[y1,fs3,nbit]=wavread(file,'native'); % read wave file in int8 format
[CA,CD] = lwt(double(y2),LS); %Applying lwt on each sample
now i've my ilwt coefficients in vector x. How do I convert it to double and then to audio. thank u
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