Conditional access using embedded watermarks

R Petrovic, J Zhao, JM Winograd - US Patent 9,323,902, 2016 - Google Patents
Methods, devices and computer program products facilitate conditional access to a content
embedded with watermarks. For Such a content, when copy control rules associated with an …

Transactional video marking system

J Zhao, G Mercier - US Patent 9,262,794, 2016 - Google Patents
Methods, devices, systems and computer program products facilitate embedding and
extraction of transactional water marks into and from a video content. One method for select …

Interactive content acquisition using embedded codes

JM Winograd, J Zhao, R Petrovic - US Patent 9,596,521, 2017 - Google Patents
Methods and devices are provided to obtain associated information for a multimedia content.
One such method includes receiving a content at a receiver device equipped with a …

Watermark extractor enhancements based on payload ranking

R Petrovic, JM Winograd, PG Downes - US Patent 9,251,549, 2016 - Google Patents
4,176,379 4,199,788 4,225,967 4,230,990 4,281.217 4,295,128 4.425, 578 4454, 610
4,464,656 4497, 060 4,512,013 4,547,804 4,564,862 4,593.904 4,639,779 4,669,089 …

Electronic device with voice-synthesis and acoustic watermark capabilities

R Alameh, JP Ashley, J Simerson, T Merrell - US Patent 10,755,694, 2020 - Google Patents
An electronic device includes an audio synthesizer. The audio synthesizer can generate a
voice-synthesized audio output stream as a function of one or more audible characteristics …

Remote control signaling using audio watermarks

R Petrovic, JM Winograd - US Patent 9,189,955, 2015 - Google Patents
A system for using a watermark embedded in an audio signal to remotely control a device.
Various devices such as toys, computers, and appliances, equipped with an appropriate …

Watermark based content recognition improvements

R Petrovic, JM Winograd - US Patent 10,257,567, 2019 - Google Patents
Method, devices, systems and computer program products are described that improve
speed and accuracy of watermark detection from multimedia content, and allow faster and …

Methods and devices for secure secret key generation

Y Souissi, LH Florent, A Facon, S Guilley - US Patent 11,580,231, 2023 - Google Patents
(57) APSTRACT There is provided a cryptographic key determination device for determining
one or more cryptographic keys in a cryptographic device, the cryptographic device being …

Proving file ownership

T Candebat - US Patent 10,431,228, 2019 - Google Patents
A robust digital fingerprint of a file ensures that one able to produce the robust digital
fingerprint has possession of the file. A client obtains information that is unpredictable to the …

Methods in electronic devices with voice-synthesis and acoustic watermark capabilities

R Alameh, JP Ashley, J Simerson, T Merrell - US Patent 10,755,695, 2020 - Google Patents
An electronic device includes an audio synthesizer. The audio synthesizer can generate a
voice-synthesized audio output stream as a function of one or more audible characteristics …