12.09.2007 23:05 Uhr, Quelle: MacNN

MS patents DRM-free watermarked music

Microsoft could soon implement a new watermarking system for music that would discourage piracy without restricting the usefulness of the music, according to a newly granted patent. Titled "Stealthy Audio Watermarking," the patent originally filed in May 2004 would use audio analysis to automatically place a digital signature inside the sound itse

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