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Universal STB architectures and control method

A set-top box, control processing technology, applied in the direction of image communication, multiple digital computer combination, TV, etc., can solve problems such as difficult to use, heavy infrastructure burden, no flexibility of complex data processing, etc.

Inactive Publication Date: 2002-10-02
PREDIWAVE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0027] As reflected above, prior art DOD systems are bandwidth and processing intensive, as the bandwidth and processing power required is directly proportional to the number of customers being served
Furthermore, on-demand data must be provided on a customer-specific basis without any flexibility for complex data processing
The flexibility of prior art data processing is also limited by this hard-wired client structure
Furthermore, prior art VOD systems require bi-directional communication links in order to operate, thus burdening existing infrastructure and making it difficult to use
None of the prior art digital data methods provide a paradigm that includes both VOD and digital broadcasting in a single system

Method used

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Embodiment Construction

[0055] The embodiments are described in detail below with reference to the accompanying drawings that are a part of the embodiments. The drawings show, by way of illustration, specific embodiments for implementing the invention. These embodiments will be described in sufficient detail below to enable those skilled in the art to practice the invention, and understand that other embodiments can also be implemented, and that structural, Logical, electrical changes, and other improvements.

[0056] The present invention teaches methods and systems for providing all-digital services, such as VOD systems and digital broadcasting, and a generic set-top box (STB) capable of handling these various digital services. The universal set-top box of the present invention is able to distinguish different services based on the information received in the electronic program guide, which is designed by a unique hardware structure including a large buffer.

[0057] In addition, the general-purp...

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Abstract

The present invention teaches a method and system for providing comprehensive digital services, such as VOD, digital broadcasting, and a general-purpose set-top box (STB) capable of handling the various digital services in a non-client-specific manner. Several hardware configurations and data transmission methods identifying these featured services through an electronic program guide enable this transmission. The universal STB of the present invention is capable of distinguishing different services based on information received in the electronic program guide, and is capable of handling non-customer specific data. The present invention also provides viewing options such as multicast, virtual VCR time-shifting features including pause, record and framing of fixed broadcasts. Furthermore, the various digital services can also be provided through a one-way communication link.

Description

technical field [0001] The present invention relates to data on demand (DOD) and data broadcasting technologies. In particular, the present invention relates to a generic set-top box (STB) operable to process non-customer specific digital data including on-demand data and methods for controlling the generic STB. Background technique [0002] Digital data can be encoded and transmitted using a variety of mechanisms. For example, the International Standards Organization (hereinafter referred to as ISO / IEC) has introduced a standard (MPEG-2) for encoding moving pictures and their associated audio. In view of the ubiquity of this MPEG-2 and its relevance to the present invention, some basic explanation is necessary. [0003] The ISO / IEC MPEG-2 standard is described in four documents. The document ISO / IEC 13818-1 (system) defines the system encoding. It defines a multiplexed structure for combining audio and video data and represents the means for timing information needed fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04N5/93H04N7/025H04N7/03H04N7/035H04N7/173
CPCH04N7/17318H04N7/17336H04N21/2385H04N21/26216H04N21/26233H04N21/26241H04N21/26275H04N21/4181H04N21/4331H04N21/472H04N21/47202H04N21/482H04N21/84H04N21/845H04L67/06H04L65/613H04L65/612H04L65/70H04L65/1101H04L67/01
Inventor 黄炎
Owner PREDIWAVE
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