Broadcast signal and apparatus and method of decoding the same

一种广播信号、广播数据的技术，应用在脉冲调制电视信号传输、同时/顺序多电视信号传输、图像通信等方向

Inactive Publication Date: 2006-08-02
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] As a result, the user cannot determine whether a given program is a general program or a program including data broadcasting based on the general EPG shown in FIG.

Method used

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  • Broadcast signal and apparatus and method of decoding the same
  • Broadcast signal and apparatus and method of decoding the same
  • Broadcast signal and apparatus and method of decoding the same

Examples

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Embodiment Construction

[0024] Reference will now be made in detail to the preferred embodiments of the invention, examples of which are illustrated in the accompanying drawings. Wherever possible, reference numbers have been used throughout the drawings to refer to the same or like parts.

[0025] Terms used herein include terms defined in consideration of functions implemented in the present invention, and definitions thereof may be changed according to intentions of those skilled in the art, or according to conventions in the art. Therefore, definitions of terms must be determined based on the entire content of the present invention.

[0026] FIG. 2 shows an example of an EPG service including thumbnail images according to the present invention.

[0027] As shown in Figure 2, the EPG service according to the present invention provides a thumbnail image for a specific program that includes data broadcasting among multiple programs in the EPG, so that users can not only immediately know the fact th...

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Abstract

A broadcast signal includes an information table (EIT) or an application information table (AIT) which includes a descriptor. The descriptor includes image data representative of a thumbnail image to be displayed within an electronic program guide (EPG). A decoder decodes the EIT or AIT from a broadcast signal, and an application manager displays the thumbnail image within an EPG to indicate that a channel scheduled to carry a broadcast program is also scheduled to carry broadcast data simultaneously.

Description

technical field [0001] The present invention relates to digital data broadcasting, and more particularly, to broadcasting signals and an apparatus and method for decoding broadcasting signals. Background technique [0002] Recently, digital data broadcasting has seriously emerged as a hot broadcasting issue. Currently, in Korea, broadcasting companies are promoting experimental broadcasting of terrestrial broadcasting, and are implementing two-way data broadcasting of satellite broadcasting. Plus, actual data broadcasting from cable companies is coming. [0003] In such digital broadcasting, the most useful information for users may be channel and program guide information, that is, electronic program guide (EPG) or advanced program guide (APG). [0004] FIG. 1 shows an example of a general EPG provided in digital broadcasting. [0005] As shown in Figure 1, users are able to obtain information from the EPG, such as the time and title of broadcast programs, and on-duty ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/08H04N5/44H04N5/445H04N5/45H04N7/24H04N7/52
CPCH04N21/4348H04N5/4401H04N21/435H04N21/84H04N5/44543H04N21/482H04N21/4314H04N21/4316H04N21/47H04N21/23614H04N21/8153H04N5/45H04N21/4312H04N21/42204H04N21/235H04N21/4345H04N21/426H04N21/472
Inventor 郑永泰
Owner LG ELECTRONICS INC
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