A method for decoding auxiliary data from media signals in multimedia content decodes watermarks from different media signals and uses the watermarks to control processing of the multimedia content. A copy control method decodes a watermark from one of the media signals in multimedia content, and uses...http://www.google.es/patents/US20040037449?utm_source=gb-gplus-sharePatente US20040037449 - Integrating digital watermarks in multimedia content
Integrating digital watermarks in multimedia content
Número de solicitud: 10/648,105 Número de publicación: US 2004/0037449 A1 Fecha de presentación: 25 Ago 2003 Patente emitida: US6975746 ( Fecha de emisión 13 Dic 2005)
