Revision as of 09:02, 1 September 2008 by Park1 (Talk)

Sound Files

Matlab Codes

% Jun Hyeong Park 
% ECE 301 HW #1_ Hidden backward message

Fs=44100;
name='jpforward.wav';
conforward=wavread(name);   % generate a column vector           
conback=flipud(conforward); % reverse this column vector
wavplay(conback,Fs)         % play backward at 44100hz sampling rate. 
pause(1)
wavplay(conback,Fs/2)       % play backward at 22050hz sampling rate.

% (a) The forward says ,"Beyond the Realms Of Death"
% (b) Backward has a message and that was "I took my life.".

Message

This is one of the famous songs for Backward masking. (a) The forward says, "Beyond the Realms of Death". (b) The backward says, "I took my life".

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Abstract algebra continues the conceptual developments of linear algebra, on an even grander scale.

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