The fingerprinting words are assigned to a plurality of entities to which protected objects embedded with the fingerprinting words are to be distributed.

A device for applying or extracting a digital watermark of two or more dimensions and a method of applying or extracting the digital watermark.

The bit group determined in this way constitutes part of watermark data.

Content material is protected with a variety of watermarking processes.

Unique fingerprinting words are defined where each includes at least one spread sequence.

The invention is applicable for instance in relation to watermarked audio signals or video signals.

The method of the present invention has the advantage that it provides high speed watermarking capability.

Corresponding watermark detection methods and watermarking devices are disclosed.

A method and arrangement are disclosed for watermarking in one-dimensional information signals, particularly audio signals.

An electronic device such as a radio communication device (700) capable of performing context watermarking is also described.

System and methodologies are provided herein for low-distortion image watermarking.

A method and apparatus for using a reference in a watermarking application is disclosed.

The system can be used for watermarking, data communications, audience surveying etc.

Watermarking is a technique of embedding payload data in a signal in an unobtrusive manner.

A method and system to perform on the fly fingerprinting for media content (210) is disclosed.