A method comprises selecting bit positions for storing a digital watermark in digital audio data in time domain by choosing a spread function characterising the plurality of the selected bit positions, wherein the spread function comprises at least one Gaussian curve....http://www.google.fr/patents/US8108681?utm_source=gb-gplus-shareBrevet US8108681 - Selecting bit positions for storing a digital watermark
Selecting bit positions for storing a digital watermark
