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Method and apparatus for implementing static image trap of digital television receiver

A technology for digital TV reception and static image, applied in color TV parts, TV system parts, TV and other directions, can solve the problem of not being able to capture favorite pictures, achieve moderate size, save storage space, and add low cost Effect

Inactive Publication Date: 2008-04-16
JIANGSU HAIAN PETROCHEM PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a method and device for capturing static images on a digital television receiving device. Aiming at the problem of not being able to capture favorite pictures in the prior art, the method and device of the present invention can make viewers calmly view the images they want to save. save the scene

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  • Method and apparatus for implementing static image trap of digital television receiver
  • Method and apparatus for implementing static image trap of digital television receiver
  • Method and apparatus for implementing static image trap of digital television receiver

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Embodiment Construction

[0029] The preferred embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0030] The method and device for realizing static image capture on the digital TV receiving device of the present invention, its structure is as follows figure 2 As shown, its device is in figure 1 The module of the present invention is added between the video decoding module 14 and the display chip 16 to realize the functions. Each module of the present invention mainly includes: a video extraction module 21 , an image compression module 22 , a memory 23 , a video synthesis module 24 , an external interface 25 and an external control device 26 . The video extraction module 21 continuously extracts the frame stream from the video decoding module 14 according to the extraction rate set by the external control device 26, takes out the data of a specific frame, and then sends it to the image compression module 22 for some kind of i...

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Abstract

The invention is a method and device for capturing static images on digital TV receiving device, comprising a video extraction module, a memory and an external control module between video decoding module and display chip, where the video extraction module continuously extracts data of specific frames from a frame flow coming from the video decoding module in the extraction ratio set by external control device and stores the data into the memory; the controller extracts images from the memory and sends them into the display chip for displaying; the extracted images are played in sequence, where the playing direction and rate are controlled by user through the external control device, and when the user has selected proper image, the external control device is controlled to send out signal to store the selected image into the specific memory area in the memory. And the invention can delay storing the previously seen images and makes less modification for the existing digital TV receivers so that the added cost is very low.

Description

technical field [0001] The invention belongs to the field of digital television, and in particular relates to a method and a device for realizing static image capture on a digital television receiving device. Background technique [0002] Digital TV is a brand-new TV service, a new mode of communication, and the inevitable result of the development of digital technology in the TV field. Users can watch digital TV systems through digital TV receiving devices, such as digital TV integrated machines or set-top boxes. broadcast digital television programs. [0003] For digital TV receivers, digital signal processing such as figure 1 shown. The TS stream obtained by the tuner 12 is demultiplexed by the demultiplexing module 13 and divided into video signals, audio signals and additional information. Under the action of the controller 11, the video decoding module 14 performs video decoding, and the audio decoding module 15 performs audio decoding. Decoding, the decoded video s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44H04N5/00H04N5/76H04N5/445
Inventor 鲁照华张星吴畏芦东昕
Owner JIANGSU HAIAN PETROCHEM PLANT