Digital TV program broadcasting, receiving and presenting method

A digital TV and program technology, applied in the direction of high-definition TV system, etc.

Inactive Publication Date: 2005-05-04
北京大洋新畅科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the user's favorite program, when the TV station broadcasts, the user must also watch it. Even if the user automatically records it, the multiple recorded materials are also independent of each other, and there is no available data to effectively record them. organized

Method used

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  • Digital TV program broadcasting, receiving and presenting method
  • Digital TV program broadcasting, receiving and presenting method
  • Digital TV program broadcasting, receiving and presenting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0096] The digital TV program broadcast receiving device involved in the present invention is used in China's one-way digital cable broadcast TV network to develop new digital TV services and provide viewers with personalized viewing methods. Now China's one-way digital cable TV network adopts DVB standard, and program compression generally uses MPEG2 standard.

[0097] Refer below figure 1 and 2 A block diagram illustrating an apparatus for producing, transmitting and receiving delivered digital television programs according to an embodiment of the present invention. Video and audio signals are sent from video and audio program playback equipment 11 such as tape machines, DV cameras, VCD / DVD players, etc. through S terminals, CVBS (composite signals), YUV (component signals), SDI (digital signals) or XLR connectors (analog audio or digital audio) and the like output to the program collection workstation 12. In the program acquisition workstation 12, the video and audio dat...

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PUM

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Abstract

A method for broadcasting, receiving and displaying digital TV programs, the steps of which are as follows: a) Classified asynchronous random cyclic transmission of the head-end broadcast system: the programs are classified before broadcasting, and the head-end equipment generates classification codes to form program categories Descriptor; b) Classification, filtering and storage of the terminal receiving device: the terminal receiver provides the user with the classification index of the program according to the agreement with the head end on the program classification, and the user customized plan is submitted to the terminal receiver for processing; the terminal receiver processes the received complex Use code stream demultiplexing, according to the classification submitted by the user, receive the customized scheme and the classification information synchronously issued with the program code stream, automatically identify the program required by the user, filter out the program, and send it to the storage device for storage; c) terminal The receiving and presenting equipment classifies and displays the stored program material by category, and the viewer watches it by clicking.

Description

technical field [0001] The invention relates to a method for broadcasting, receiving and displaying a TV program, in particular to a method for broadcasting, receiving and displaying a digital TV program. Background technique [0002] At present, various domestic and foreign television broadcasting organizations provide analog television broadcasting services in the following manner: video and audio materials are made into TV programs of the required length, and the TV station or operator broadcasts them at a rate of 1:1 according to the length of the program. , the receiver device synchronously receives and displays the program according to the transmission speed of the sender program. [0003] The digital TV broadcasting business is being carried out gradually all over the world, and China has also joined the ranks, and currently adopts the DVB standard system. Compared with the original analog TV broadcasting, digital TV broadcasting has a big difference in source coding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/015
Inventor 姚威李永葆张仁宇
Owner 北京大洋新畅科技有限公司
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