Embedded interactive application service transcoding and encoding system

An interactive application and encoding system technology, applied in the direction of TV, electrical components, digital video signal modification, etc., can solve the problems of single conversion type, low transcoding efficiency, large computing resources and memory resources, etc., and achieve algorithm complexity and computing Low volume, reduced memory resources, and the effect of overcoming error drift

Inactive Publication Date: 2011-01-12
GUANGDONG TRI SUN ELECTRONICS TECH +1
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  • Abstract
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Problems solved by technology

[0003] However, in the past, the transcoder used a cascaded open-loop structure to convert the input code stream to the required format in a targeted manner.

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  • Embedded interactive application service transcoding and encoding system
  • Embedded interactive application service transcoding and encoding system
  • Embedded interactive application service transcoding and encoding system

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[0018] In order to make the objectives, technical solutions, and advantages of the present invention clearer and more comprehensible, specific embodiments are given below to further describe the present invention in detail with reference to the accompanying drawings.

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] Such as figure 1 Shown is a block diagram of an interactive application service transcoding system according to an embodiment of the present invention. It uses the fe...

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Abstract

The invention discloses an embedded interactive application service transcoding and encoding system, which belongs to the field of embedded application development and the field of digital television interactive application development. The system comprises a transcoding device, wherein the transcoding device further comprises a decoder and an encoder which are directly cascaded, and input data is decoded by the decoder and then transmitted to the encoder to be encoded; and the transcoding device has a closed loop control structure and is used for code rate conversion, resolution ratio conversion and standard conversion. Based on the system, a code stream can be converted into a code stream form which is suitable to be transmitted in different networks and meets the requirements of different video devices and different user terminals, so that the compatibleness among digital video systems of different encoding standards in different application environments can be realized, and the interaction and integration among multimedia resources of different formats can be realized.

Description

Technical field [0001] The invention relates to the technical field of telecommunications, in particular to a variety of code conversion technologies in the development of digital television interactive applications. Background technique [0002] After the TV system is digitized, there will be a trend of integration of telecommunication networks, cable TV networks and computer networks. Therefore, it is inevitable that they will exchange programs with each other, but the syntax and semantics of the coded streams of different video compression standards are different, and the coded bit streams need to be converted. Different video applications have different requirements for video data storage format, network bandwidth, and video codec performance, size, and power consumption. Therefore, the coding standards used for different fields are also different. In order to enable seamless connections between heterogeneous networks, between different access devices, and between different ...

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Application Information

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IPC IPC(8): H04N7/26H04N19/40
Inventor 王炅徐武强赵炳勇
Owner GUANGDONG TRI SUN ELECTRONICS TECH
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