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Multimedia system for processing program guides and associated multimedia objects

A program guide and program technology, applied in the field of digital signal processing

Inactive Publication Date: 2004-08-11
INTERDIGITAL CE PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such partitioning requires greater transmission bandwidth to accommodate the increased information redundancy that results from inserting duplicate PG information items into multiple layers of different PG subsets corresponding to different partitions caused by need

Method used

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  • Multimedia system for processing program guides and associated multimedia objects
  • Multimedia system for processing program guides and associated multimedia objects
  • Multimedia system for processing program guides and associated multimedia objects

Examples

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Embodiment Construction

[0020] Broadcast programs delivered in digital format are encoded and broadcast together with ancillary information containing program specific information (PSI) for decoding the program and associated data. The program specific information includes program guide data and information for identifying and combining data packets to retrieve the content of the selected program channel. The program specific information and associated program content are advantageously structured to deliver large program guides carrying information potentially involving thousands of broadcast program channels and associated multimedia objects covering a wide geographic area (eg, an entire continent, country, or state). Multimedia objects include audio clips, video clips, animations, still images, Internet data, email messages, text, and other types of data. A multimedia object is a data entity that can be viewed as an independent unit, and is associated with an image within each program or with a pr...

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Abstract

A program guide information data structure and processing system facilitates both decoding and selectable program guide generation by a decoder. A decoder acquires a directory of object files associated with program guide information items and a map for associating the object files (e.g. representing channel, program or control information or software) with the program guide information items. The decoder creates an image object from an object file and links the image object to a program guide information item. The decoder executes an application software object to form a special program guide for display and executes another application software object to command a device in processing a program listed in a program guide.

Description

technical field [0001] The invention relates to the field of digital signal processing, in particular to a program guide about channels and programs. Background technique [0002] Forming and processing large program guides conveying information that may involve thousands of broadcast program channels covering a wide geographic area raises many problems. For example, the geographic area covered may include an entire country or continent, and large amounts of information may have to be captured, organized, and encoded for later broadcast in a format that decodes the broadcast material. The bandwidth required to process such a large amount of information expands in proportion to the amount of information processed. Therefore, there is a need to structure program guide data so as to optimize the use of available bandwidth. [0003] The degree to which the program guide data structure can be optimized is constrained by the cost of the decoder unit receiving the structured data...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/47H04N5/00H04N5/44H04N5/445H04N5/45H04N7/025H04N7/03H04N7/035H04N7/16H04N7/24
CPCH04N7/163H04N21/4782H04N21/4622H04N21/435H04N21/26283H04N5/44543H04N21/84H04N21/8166H04N5/4401H04N21/845H04N21/4332H04N21/4351H04N21/8586H04N7/165H04N5/45H04N21/4524H04N21/235H04N21/4345H04N21/426H04N21/47
Inventor 梅米特·K·奥兹坎唐嘉元埃德温·A·赫里迪亚
Owner INTERDIGITAL CE PATENT HLDG