Patent ID: 9077953
Filing Date: 2015-07-07
Classification: H04N

Abstract:
1. A consumer-electronic device for receiving an input digital data stream comprising picture or audio information and authorization information, the device comprising: a receiver configured to receive the authorization information from the input digital data stream, wherein the input digital data stream comprises encrypted picture or audio information and non-encrypted picture or audio information and the authorization information from the input digital data stream comprises an encryption instruction of a “disable encrypt” or an “enable encrypt” type and the receiver is adapted to retrieve the encryption instruction from said authorization information; a decoder configured to decrypt received encrypted digital picture or audio information and generate decrypted picture or audio information; an encoder configured to encrypt non-encrypted or decrypted picture or audio information, wherein: a transmitter configured to supply an output digital data stream of encrypted or non-encrypted picture or audio information, wherein the transmitter is adapted to include the authorization information into the output digital data stream.