Synamedia Limited

Max Sorkin

Anatoly Seldin

Steve Epstein

Ian Bastable

Gareth John Bowen

Samie Beheydt

Zorach Reuven Wachtfogel

Dan Ariel Elbert

Uri Porat

Vadim Kharitonsky

Lev Reitblat

Henk Derudder

Yosef Tsuria

Peter Gibbs

Moshe Elad

Shay Gil

Yair Aronshtam

Alexander Perkalsky

Nadav Angel

Eli Baruch

Anti-collusion techniques that use multiple watermark images are described herein. In accordance with various embodiments, a client device includes a processor and a non-transitory memory. The client device obtains a watermark image representing a watermark identifier. The client device further generates multiple variants of the watermark image representing the watermark identifier, where the multiple variants differ in parameters. The client device also selects a first variant from the multiple variants to bind with a media content item at a first time. The client device additionally binds the first variant with the media content item for rendering.

Anti-collusion system using multiple watermark images

Techniques for a trusted system for secure content distribution and trusted recording of content consumption are described. In some embodiments, the trusted system transcodes and transcrypts a media content item using a key obtained from a content provider and one or more keys based on an entitlement from a service provider to generate an encrypted media content item. The trusted system further receives a request to provide the media content item to a client device. The trusted system also obtains a signed audit token recording the request upon an authorization by the service provider based on the entitlement and a confirmation by the content provider, where the signed audit token is signed by the content provider and the service provider. The trusted system additionally provides the one or more keys for decrypting the encrypted media content item and reports the signed audit token.

Secure content distribution and trusted recording of content consumption

Techniques for media content tamper protection and detection are described. In some embodiments, the protection method is performed at an encoder. The encoder obtains a first sequence of signatures within a group of pictures and a second sequence of signatures for audio frames corresponding to the group of pictures. The encoder then combines the first sequence of signatures and the second sequence of signatures to generate a combined signature, and the combined signature is then embedded in a transport stream for transmission to a client device. In some embodiments, the detection method is performed at a client device, where the client device, in response to detecting a first message in the transport stream, starts calculation of signatures for a group of pictures and corresponding audio frames. The client device then uses the calculated signatures to validate an expected signature for the group of pictures and the corresponding audio frames.

Systems, methods, and devices for media content tamper protection and detection

A method for providing data to a device includes receiving a location of the device, determining a network cell associated with the location, determining network traffic at the network cell and at other network cells, receiving a request for a data stream from the device, and optimizing a net user satisfaction by selecting a bitrate for the data stream based on a plurality of bitrates associated with streaming to other devices located within the network cell and the network traffic at the other network cells, wherein the net user satisfaction is an average of user satisfactions.

Video content streaming bitrate selection using an edge computing system for improving user experience

Growing community of inventors

Mevaseret Zion, Israel

Max Sorkin