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djmikedr

New Way to send Hidden Messages

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New Way to send Hidden Messages.

I copied the paragraph that i found most interesting :

....the technology revolves around what's called psycho-acoustic masking. Humans tend to filter out what they don't want to hear, especially the pop, fizz and hum of white noise. Intrasonics essentially takes and digitizes recorded messages, and then masks them as nuisance noises. The signals are spread over the audible spectrum and then disguised into the soundtrack. During a crescendo, the signals can be louder than quiet moments and still remain undetectable.

the article web address is

http://zdnet.com.com/2100-1107-964884.html

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