Patent ID: 9641874
Date: 2017-05-02
CPC Classifications: H04N

Claim:
1. A method for generating a stream referred to as a derived stream, from a stream referred to as an original stream, said original stream being a transport stream comprising a program multiplex in accordance with a first-generation of the Digital Video Broadcast standard decodable by a decoder according to the Digital Video Broadcast standard, wherein the method is executed by a gateway for generating the derived stream, wherein the transport stream is received by the gateway for presentation and comprises: obtaining by the gateway a modulator interface stream according to a second-generation of the Digital Video Broadcast standard comprising the program multiplex and at least synchronisation packets and signalling packets in accordance with the second-generation of the Digital Video Broadcast standard, generating by the gateway the derived stream by inserting in the original stream the synchronization packets and the signalling packets, the synchronization packets and the signalling packets being inserted in packets having a program identifier not referenced in a program association table accessible to the decoder according to the first-generation of the Digital Video Broadcast standard and in that the packets having a non-referenced program identifier replace stuffing packets included in the original stream; and transmitting the derived stream for reception by a decoder according to the first-generation of the Digital Video Broadcast standard and subsequent presentation of a decoded program on a user terminal.