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Old 7th April 2016, 23:22   #2  |  Link
wonkey_monkey
Formerly davidh*****
 
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Join Date: Jan 2004
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Quote:
it shall not disturb the audio, so i thought about stretching and/or phase-shifting it to some frequency humans cannot hear.
Well, the whole idea behind mp3 is to remove things humans can't hear, so just that may not work so well. Data can be embedded in such a way that it will survive all but the harshest of re-encodings, but from what little I know of it, it's pretty complicated stuff.
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