Program searching method of digital television
A technology for TV programs and electronic program guides, applied in the field of digital TV program search, can solve the problems of too many matching results, inaccurate, inconvenient, etc.
Inactive Publication Date: 2006-10-04
PANASONIC CORP
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Problems solved by technology
[0004] The current program search usually uses the electronic program guide (EPG) to let the audience choose according to the category, so the selection range is wider, the matching results are more, and it is not precise enough; or the audience needs to input keywords to search, which needs to provide the audience with The input method and the operation are more complicated and inconvenient
[0005] When the audience sees a program and thinks it is good, they may want to search for programs similar to the program they are watching. It is inconvenient to search by entering keywords
Or find similar programs through the category of the current program, but the category alone is not accurate enough, because the audience's interest in similar programs does not only depend on the category of the program
Method used
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[0014] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and unnecessary details and functions for the present invention will be omitted during the description to prevent confusion in the understanding of the present invention.
[0015] In order to better understand the present invention, the composition of EPG information is described first.
[0016] Electronic program guide information (referred to as EPG information hereinafter) consists of two parts: basic EPG information and extended EPG information. The basic EPG information refers to the EPG that can be described by the Network Information Table (NIT), Business Group Association Table (BAT), Service Description Table (SDT), Event Information Table (EIT), etc. in the "Digital Broadcasting Service Information Specification" information. The extended EPG information refers to the EPG information transmitted through the data carousel in addition to the basic...
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The invention discloses a method for generating the keyword of the television program in the electronic program guide, which comprises the following steps: generating the keyword information for depicting the character of the television program in the electronic program guide by the digital visual broadcast business information rule, editing the business information including the television program keyword, and sending the electronic program guide including the generated keyword information.
Description
technical field [0001] The invention relates to a method for program search on digital TV, especially the program search realized by electronic program guide, without the need of TV viewers to input keywords. Background technique [0002] At present, digital TV has entered a stage of rapid development, and services related to digital TV will also increase substantially. When program operators provide a large amount of program information to users through cable networks, how can users find these services or information conveniently and quickly while enjoying high-quality program sources has become a key problem that developers need to solve. Electronic Program Guide (EPG, Electronic Program Guide) is an application program running on the Integrated Receiver Decoder (IRD, Integrated Receiver Decoder) at the client end, which is produced to facilitate users to obtain information. It provides users with text, The human-computer interaction interface composed of graphics and ima...
Claims
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IPC IPC(8): H04N7/173H04N5/445
CPCH04N21/482H04N21/8405H04N21/2362H04N21/4828H04N5/44543H04N21/4345H04N21/47
Inventor 王国夫李琳
Owner PANASONIC CORP