H04N21/4385

Method and apparatus for selection of content from a stream of data

A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped. In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.

Method and apparatus for selection of content from a stream of data

A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped. In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.

VIDEO SIGNAL PROCESSING DEVICE, VIDEO SIGNAL PROCESSING METHOD, RECORDING MEDIUM, AND SIGNAL PROCESSING CIRCUIT
20230090807 · 2023-03-23 ·

A video signal processing device includes an SoC that receives input of a plurality of video signals, each including a plurality of packets, and multiplexing the video signals to output a multiplexed video signal, and an FPGA that receives input of a multiplexed video signal and demultiplexes the multiplexed video signal to output the plurality of video signals. When deficient data whose size is less than the size of one packet is detected in any of a plurality of video signals, the FPGA performs one of (i) processing for discarding the detected deficient data and (ii) processing for adding dummy data to the detected deficient data to make the size of the deficient data equal to the size of an integral multiple of one packet.

VIDEO SIGNAL PROCESSING DEVICE, VIDEO SIGNAL PROCESSING METHOD, RECORDING MEDIUM, AND SIGNAL PROCESSING CIRCUIT
20230090807 · 2023-03-23 ·

A video signal processing device includes an SoC that receives input of a plurality of video signals, each including a plurality of packets, and multiplexing the video signals to output a multiplexed video signal, and an FPGA that receives input of a multiplexed video signal and demultiplexes the multiplexed video signal to output the plurality of video signals. When deficient data whose size is less than the size of one packet is detected in any of a plurality of video signals, the FPGA performs one of (i) processing for discarding the detected deficient data and (ii) processing for adding dummy data to the detected deficient data to make the size of the deficient data equal to the size of an integral multiple of one packet.

Method of transmitting and receiving broadcasting channel and device therefor

The present disclosure provides a method of transmitting a Physical Broadcasting Channel (PBCH) by a base station in a wireless communication system. Particularly, the method may include generating a PBCH payload including bits indicating a frame in which the PBCH is transmitted; scrambling at least some of the bits included in the PBCH payload using second and third least significant bits among the bits; and transmitting the bits of the PBCH payload including the at least some scrambled bits to a user equipment.

RECEPTION DEVICE, RECEPTION METHOD, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
20230112314 · 2023-04-13 ·

High frame rate image data having backward compatibility is favorably transmitted. Image data of each picture of a base layer included in a base stream sent from a transmission side has been subjected to a mixing process in a linear space or a non-linear space. On a reception side, the inverse mixing process can be performed appropriately by performing in a corresponding space on the basis of processing space information indicating whether or not the mixing process is performed in the linear space or the non-linear space.

RECEPTION DEVICE, RECEPTION METHOD, TRANSMISSION DEVICE, AND TRANSMISSION METHOD
20230112314 · 2023-04-13 ·

High frame rate image data having backward compatibility is favorably transmitted. Image data of each picture of a base layer included in a base stream sent from a transmission side has been subjected to a mixing process in a linear space or a non-linear space. On a reception side, the inverse mixing process can be performed appropriately by performing in a corresponding space on the basis of processing space information indicating whether or not the mixing process is performed in the linear space or the non-linear space.

Transport stream packet header compression

A demultiplexer 630 routes only one or more transport stream packets with a single packet identifier value to each physical layer pipe. A header compression unit 620 replaces the packet identifier of the transport stream packet with a short packet identifier of one bit length indicating at least whether the transport stream packet is a NULL packet.

Transport stream packet header compression

A demultiplexer 630 routes only one or more transport stream packets with a single packet identifier value to each physical layer pipe. A header compression unit 620 replaces the packet identifier of the transport stream packet with a short packet identifier of one bit length indicating at least whether the transport stream packet is a NULL packet.

Method and Apparatus for Selection of Content From a Stream of Data

A main stream contains successive content elements of video and/or audio information that encode video and/or audio information at a first data rate. A computation circuit (144) computes main fingerprints from the successive content elements. A reference stream is received having a second data rate lower than the first data rate. The reference stream defines a sequence of the reference fingerprints. A comparator unit (144) compares the main fingerprints with the reference fingerprints. The main stream is monitored for the presence of inserted content elements between original content elements, where the original content elements have main fingerprints that match successive reference fingerprints and the inserted content elements have main fingerprints that do not match reference fingerprints. Rendering of inserted content elements to be skipped. In an embodiment when more than one content element matches only one is rendered. In another embodiment matching is used to control zapping to or from the main stream. In another embodiment matching is used to control linking of separately received mark-up information such as subtitles to points in the main stream.