For embedding watermark information into an information signal including audio and/or video information, first of all a synchronization sequence with a plurality of synchronization sequence units and a data sequence with a plurality of data sequence units are provided, wherein between the data sequence...http://www.google.com.au/patents/US20050105726?utm_source=gb-gplus-sharePatent US20050105726 - Method and device for embedding watermark information and method and device for extracting embedded watermark information
