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Forensic Watermarking


Traditional content protection is still necessary but no longer enough. CA and DRM ensure that contents is delivered only to authorized users. However, CA and DRM do not prevent these users to illegally re-distributed content to millions of others. By making content traceable to its source, forensic watermarking is an effective deterrent against illegal re-distribution.



Piracy is a growing problem for both content owners and pay-TV operators, given the ease with which pirated content can be promoted, distributed and illicitly streamed over the internet. This is of particular concern for premium video-on-demand (VOD) and live sport services. In order to flight commercial piracy, it is important to be able to determine the source of a content leak quickly and efficiently, so that effective anti-piracy action can be taken.

The NexGuard forensic watermarking products and solutions support pay-TV operators to comply with content owners’ security requirement, and actively fight against illicit content sharing to ensure maximum monetization of premium content. The NexGuard forensic watermarking solutions supports traditional pay-TV and OTT services, covering linear broadcast TV, live streaming and VOD. Watermarks can be embedded on a session basis on the server-side or on a subscriber basis in the client device, be it a pay-TV set-top-box or an OTT streaming device. This gives pay-TV operators all the options they need in the fight against piracy.

The NexGuard forensic watermarking solutions are supported by the NexGuard Detection Service, a cloud-based forensic watermark detection service used by customers for file detection or continuous live detection.

KEY USE CASES
Premium VOD – Comply with enhanced content protection requirements
NexGuard solutions provide forensic watermarking protection for early release and 4K UHD/HDR content, helping pay-TV operators meet the Movie Labs enhanced content protection specification and Hollywood studio requirements.

Live Sports – Actively fight against illicit content sharing
zLive sports events are among the most valuable premium content. To protect their business model, pay-TV operators need to actively fight against illicit content streaming by identifying the source of a leak and quickly shuttling it down. NexGuard forensic watermarking solutions are optimized to enable an automated process with turn-around time of just a few minutes.


KEY CHARACTERISTICS
Forensic watermarking is the imperceptible embedding of information directly within video or audio content that identifies the source or intended recipient of the content. Forensic watermarks make each genuine copy of the content unique and can be extracted from pirated content to trace leaks back to the source and take anti-piracy action.

 
Imperceptible
NexGuard watermarks are imperceptible to the consumer, causing no degradation of the viewing experience, which has been validated by major studios, content oweners and pay-TV operators.
Robust
NexGuard watermarks are proven to be robust and impossible for pirates to invalidate. They are able to persist through dgital/analogue conversion, copying, transcoding, compression and geometric manipulation.
 
Blind Detection
NexGuard watermarks support blind detection, with the identifiers being detected and extracted without reference to the original content by the NexGuard Detection Service. This enables fast, convenient and automated detection.


FORENSIC WATERMARKING PROCESS
The solution can be used to deter and combat priacy during content production, contribution and distribution with NexGuard Network ID, as well as for direct-to-consumer services using NexGuard Pay TV on managed devices and NexGuard QuickMark or NexGuard Streaming for multiscreen services. The stages of watermarking include preparation, embedding, distribution, detection, extraction and action. 





The solution supports both type of deployment: 
Watermarking in Hardware: At the heart of the video path, activation from TA software
Watermarking in Software: Composition with OSD+WM and video, at end of video path



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