CN101267519A - TV program search method - Google Patents

Abstract

The invention relates to an information retrieval method, particularly to a television program retrieval method. The invention provides a television program retrieval method, by which a program retrieval system having a three-level structure is built. The technical scheme of the invention comprises the following steps: a, dividing channel classes and naming each class; b, providing a feather number for each channel class; c, making a BAT table including all channel class feather numbers and names; d, resolving the BAT table, and displaying the names of the channel classes on a television display screen; e, selecting a channel class, and addressing and finding all channels included by the class according to the corresponding feather number of the channel class; and f, selecting a channel, expanding program sources of the channel, and selecting a program. According to the invention, programs are classification retrieved, which greatly improves the retrieval efficiency of programs, and the invention is particularly suitable for domestic digital televisions and set-top boxes.

Description

TV program search method

Technical field

The present invention relates to a kind of information retrieval method, particularly a kind of TV program search method.

Background technology

Along with the development of Digital Television, the television channel that can watch becomes more and more, and comprehensive, professional class channel can reach up to a hundred even hundreds of.But increased the scope of rating program greatly, but this has brought certain inconvenience simultaneously: the user is difficult to watch rapidly, easily and oneself wants the content seen.The user browses various programs for convenience at present, integrated EPG (Electronic Program Guide) system in digital TV set-top box, but still there is following problem in this system: (1) is unit with the program in the single channel, and layer of structure has only two-stage, not the classification of support channel itself; Just determined the classification of own required program when (2) user browses TV programme, and concrete which channel is not required, the user must could retrieve program by earlier definite channel under current EPG system, do not meet the custom of browsing at ordinary times, moreover because channel quantity is many, so practical operation efficient is not high

Summary of the invention

At above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: a kind of TV program search method is provided, has set up the program search system of tertiary structure level by this method.

The technical scheme that the present invention solves the problems of the technologies described above employing is: TV program search method may further comprise the steps:

A. divide channel categories and be each classification name;

B. provide the tag number of each channel categories;

C. formulate a BAT table that comprises all channel categories tag numbers and title;

D. resolve BAT table, the title of channel categories is presented on the tv display screen;

E. select a certain channel categories, all channels that find this classification to comprise according to its characteristic of correspondence addressing;

F. select a certain channel, launch its corresponding program source, select program.

Further have: be to divide channel categories among the described step a according to the program subject matter of channel correspondence.

The invention has the beneficial effects as follows: program is carried out systematic searching, improved the search efficiency of program greatly.

Embodiment

The invention will be further described below in conjunction with embodiment.

The present invention is directed to TV program retrieving system configuration level of the prior art has only " channel program " two-layer and bring the user not watch rapidly, easily oneself to want the problem of the content of seeing, a kind of new program search method has been proposed, use this method can set up the searching system of " channel categories-channel-program " three-decker level, improved the search efficiency of user greatly program.

Embodiment:

This example is to be example with the Digital Television, and its program search method is as follows: a. is classifications such as news, physical culture, Chinese folk art forms, music, shopping according to common custom or the hobby of oneself with channel division; B. provide the tag number of each channel categories; C. formulate a BAT table that comprises all channel categories tag numbers and title; D. resolve BAT table, the title of channel categories is presented on the tv display screen; E. select a certain channel categories, all channels that set-top box finds this classification to comprise according to its characteristic of correspondence addressing; F. select a certain channel, launch its corresponding program source, select program.By above step, just set up the program search system of " channel categories channel program " tertiary structure level.Step a divides channel categories to the steps d and provides tag number and formulate the BAT table, resolve the BAT table and can be finished by digital-TV operator, is sent to the television reception end with resolving good signal.Said process also can oneself be finished by the receiving terminal user, and concrete operations are after program searching is finished, and the user classifies to the program that searches according to step a～c, and works out the BAT table.After the user turns on TV, set-top box is at first carried out the analysis of BAT table (also can be in the process of TV reception, use a teleswitch the BAT table is accessed), the all categories title is presented on the video screen, the user can select channel categories according to oneself hobby, after selecting this channel categories, find according to its characteristic of correspondence addressing to be included in such other all channel designations and to be presented on the television screen; Then the user can click the program audience that channel designation enters this channel.For example: when the user wants to watch the sport category program, select the classification of channel earlier, enter sport category, the tag number addressing that this moment, set-top box was comprised according to the sport category channel is found the channel list of its corresponding sport category and is shown, as channels such as " the CCTV Olympic Games ", " football channel ", " ESPN "; When the user uses a teleswitch when moving to focus on certain channel designation, the program log of this channel is just unfolded, makes things convenient for the user to browse the program of this channel; After the user chooses the program of wanting to see with remote controller, only need press " affirmation " key,, then switch to this program,, then carry out program predetermination if program does not broadcast as yet if program broadcasts.

Claims (2)

1. TV program search method, it is characterized in that: it may further comprise the steps:

A. divide channel categories and be each classification name;

B. provide the tag number of each channel categories;

C. formulate a BAT table that comprises all channel categories tag numbers and title;

D. resolve BAT table, the title of channel categories is presented on the television display screen;

E. select a certain channel categories, all channels that find this classification to comprise according to its characteristic of correspondence addressing;

F. select a certain channel, launch its corresponding program source, select program.

2. TV program search method as claimed in claim 1 is characterized in that: be to divide channel categories according to the program subject matter of channel correspondence among the described step a.