Digital broadcasting transmitting method, digital broadcasting transmitting apparatus, and digital broadcasting reproducing apparatus
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorYasushi Yoneda
Life of this patent
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Abstract
A digital broadcasting transmitting method wherein a transport stream is created and transmitted in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, comprises: creating and transmitting the transport stream in which the service information includes scanning method information as information about a scanning method of digitizing the video.
Claims34
A digital broadcasting transmitting method wherein a transport stream is created and transmitted in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said method comprising:
- creating and transmitting the transport stream in which the service information includes an event information table indicative of program information and transmitting method information of the event information table contained in a network information table indicative of network information, wherein
- the transmitting method information of the event information table is included in an event information table type identifier in a descriptor contained in the network information table, and specifies the transmitting method of the event information table for each network.
A digital broadcasting transmitting method wherein a transport stream is created and transmitted in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said method comprising:
- creating and transmitting the transport stream in which the service information includes an event information table indicative of program information and transmitting method information of the event information table contained in a network information table indicative of network information, wherein
- the transmitting method information of the event information table is included in an event information table type identifier in a transport stream descriptor contained in the network information table, indicative of a transport stream to be offered by a network, and specifies the transmitting method of the event information table for each transport stream.
A digital broadcasting transmitting method wherein a transport stream is created and transmitted in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said method comprising:
- creating and transmitting the transport stream in which the service information includes an event information table indicative of program information and transmitting method information of the event information table contained in a network information table indicative of network information, wherein
- the transmitting method information of the event information table is included in an event information table type identifier in a service list descriptor contained in the network information table, indicative of a service to be offered by a network, and specifies the transmitting method of the event information table for each service.
A digital broadcasting transmitting method wherein a transport stream is created and transmitted in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said method comprising:
- creating and transmitting the transport stream in which the service information includes an event information table indicative of program information and transmitting method information of the event information table contained in a service description table indicative of service information, wherein
- the transmitting method information of the event information table is included in a service list descriptor contained in the service description table, indicative of a service included in a transport stream, and specifies the transmitting method of the event information table for each service.
A digital broadcasting transmitting apparatus which creates and transmits a transport stream in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said apparatus comprising:
- a non-interlace video data packet creating unit for creating a non-interlace video data packet from non-interlace video data in which video is digitized by a non-interlace method;
- an interlace video data packet creating unit for creating an interlace video data packet from interlace video data in which video is digitized by an interlace method;
- a service information packet creating unit for creating a service information packet from service information including scanning method information for digitizing the video;
- a multiplexing unit for multiplexing the non-interlace video data packet, the interlace video data packet, and the service information packet, to create a transport stream;
- and
- a transmitting unit for transmitting the transport stream created by the multiplexing unit to a network.
A digital broadcasting transmitting apparatus which creates and transmits a transport stream in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said apparatus comprising:
- a non-interlace video data packet creating unit for creating a non-interlace video data packet from non-interlace video data in which video is digitized by a non-interlace method;
- an interlace video data packet creating unit for creating an interlace video data packet from interlace video data in which video is digitized by an interlace method;
- a service information packet creating unit for creating a service information packet containing an event information table indicative of program information and transmission information of the event information table;
- a multiplexing unit for multiplexing the non-interlace video data packet, the interlace video data packet, and the service information packet, to create a transport stream;
- and
- a transmitting unit for transmitting the transport stream created by the multiplexing unit to a network.
A digital broadcasting reproducing apparatus which receives a transport stream and reproduce video from video data using service information in a digital broadcasting system in which the transport stream in which plural packets comprising video data packets of digitized video and service information packets of information about broadcasting using the video have been multiplexed, is transmitted over a network, said apparatus comprising:
- a receiving unit for receiving multiplexed data as the transport stream;
- a separating unit for extracting video data and service information from the multiplexed data received by the receiving unit;
- a service selecting unit for accepting selection of video data by an operator and informing said separating unit of video data to be extracted;
- an identification information storage unit for storing identification information about a video data scanning method of the service information separated and extracted by said separating unit;
- a non-interlace video decoding unit for decoding non-interlace video data separated and extracted by the separating unit, and outputting a decoded signal;
- an interlace video decoding unit for decoding interlace video data separated and extracted by the separating unit, and outputting a decoded signal;
- a scanning method instructing unit for deciding a scanning method of the video data selected by the operator on the basis of the information stored in said identification information storage unit, and providing an instruction for decoding to one of said non-interlace video decoding unit and said interlace video decoding unit on the basis of the decision;
- and
- an identification information decision unit for instructing said separating unit to separate and extract information required for program creation from the received multiplexed data on the basis of the information stored in said identification information storage unit;
- a program table storage unit for storing information required for program creation which has been separated and extracted by said separating unit in accordance with the instruction from said identification information decision unit;
- and
- a program table creating unit for creating a program table in the digital broadcasting system on the basis of the information stored in said program table storage unit.
Dependencies are inferred from the claim text.