| http://www.w3.org/ns/prov#value | - at the watermark encoder generating a pseudo-noise sequence for a block of signal frames having a duration of N frames at a frame rate of a signal to be watermarked where N is an integer; multiplying a spatial synchronization pattern by the pseudo-noise sequence to produce a spatio-temporal synchronization pattern; adding the spatio-temporal synchronization pattern to a data pattern to produce a w
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