Mobile terminal and method for playing digital television signal

A technology for digital TV signals and mobile terminals, which is applied in the modification of digital video signals, components of color TVs, components of TV systems, etc. space, saving time to refresh the display screen, saving processing effect

Inactive Publication Date: 2009-07-29
QINGDAO HISENSE MOBILE COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009]However, the mobile terminals in the prior art need to use hardware audio and video decoders to realize the decoding of audio and video data, which takes up more internal resources of the mobile terminal. Limited space, and the hardware cost of the mobile terminal is also high

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  • Mobile terminal and method for playing digital television signal
  • Mobile terminal and method for playing digital television signal
  • Mobile terminal and method for playing digital television signal

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Embodiment Construction

[0041] Although the decoding of audio and video can be realized by software in the PC in the prior art, the decoding of the received digital TV signal by software cannot be easily realized in the mobile terminal. The reason is that the mobile terminal system is a multitasking software system. When we use software to decode CMMB (China Mobile Multimedia Broadcasting, China Mobile Multimedia Broadcasting) data streams, we need to consider the working conditions of the mobile terminal system. The multitasking feature of the terminal, while not affecting the basic communication functions of the mobile terminal (including calls and data communications), tries to achieve efficient decoding and meet the requirements of smooth playback. Since the basic functions of the mobile terminal include network communication functions, that is, the mobile terminal needs to periodically obtain relevant information of the wireless network, and determine whether to search the network again, switch c...

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Abstract

The present invention relates to the field of mobile communications, specifically to a technology of playing digital television signal at mobile terminal. The present invention provides a mobile terminal and a method thereof for playing digital television signal, including: in a first time period of each clock cycle, the mobile terminal performing software decoding to the received digital television signal, and playing the decoded media data; in a second time period of each clock cycle, the mobile terminal communicating with the network side. Because of periodically setting execute time for decoding role and communication role of the mobile terminal, the invention not only guarantees the basic functions of mobile terminals, but also achieves decoding of digital TV signals through the software; so that the audio and video decoders of hardware are saved, and the mobile terminal can simultaneously realize the playing of digital television signals and achieves the object of saving internal space of the mobile terminal and reducing the hardware cost of the mobile terminal.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a technology for playing digital TV signals by a mobile terminal. Background technique [0002] The hybrid network system combining broadcasting network and mobile network can be used as the bearer network of mobile multimedia broadcasting services to send digital TV signals to mobile terminals in a "point-to-point" or "point-to-multipoint" manner. [0003] The mobile terminal in the prior art receives the digital signal sent by the network side, and its internal structure is as follows: figure 1 As shown, it includes: a radio frequency module 101 , a control module 102 , a display module 103 , an audio and video decoder 104 and an audio playback module 105 . Wherein, the radio frequency module 101 includes: an antenna 111 , a frequency synthesis unit 112 , and a TV receiving unit 113 . [0004] The control module 102 of the mobile terminal generally includes a processor and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/44H04N7/26H04N19/44
Inventor 王力民陈实
Owner QINGDAO HISENSE MOBILE COMM TECH CO LTD
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