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Coax interface TV isdb-t signal processing method and system

A technology of ISDB-T and signal processing, applied in the parts of TV systems, TVs, color TVs, etc., can solve problems such as difficulty in giving full play to the performance of TV sets, and achieve the effect of good practicability and high refresh rate

Active Publication Date: 2021-02-19
GUANGZHOU CHANGJIA ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] With the enhancement of TV functions, the existing ISDB-T signal processing method is difficult to give full play to the performance of TV

Method used

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  • Coax interface TV isdb-t signal processing method and system
  • Coax interface TV isdb-t signal processing method and system

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Embodiment Construction

[0044] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0045] The ISDB-T system includes a sending part and a receiving part, and the embodiment of the present invention is mainly aimed at the SIDB-T signal processing method of the receiving part. Before introducing the COAX interface TV ISDB-T signal processing method and system of the embodiment of the present invention, the basic structure of the sending part will be briefly introduced.

[0046] ISDB-T can support the synchronous transmission of one HD channel or th...

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Abstract

The invention provides a COAX interface television ISDB-T signal processing method and a system thereof, through the method and the system, processing is performed on the ISDB-T signal to achieve a higher refresh rate of video data and higher quality audio data playback, with good practicability.

Description

technical field [0001] The invention relates to the field of television broadcasting, in particular to a COAX interface television ISDB-T signal processing method and system. Background technique [0002] ISDB-T is a system standard that can independently or simultaneously transmit digital TV signals (image and audio), audio signals, data signals and other signals in the form of terrestrial broadcast transmission. [0003] In ISDB-T, there are 13 frequency slices (segment, seg for short) in each channel. Among them, 1seg is used to play low-resolution (QVGA 320×240 / 320×180) programs for mobile terminals (such as mobile phones), and the remaining 12seg are provided for high-definition programs. When using communication devices such as mobile phones to watch, the NHK broadcast contract is complied with, and detailed data of TV programs can be downloaded through the Internet during broadcasting. [0004] 12seg can support one high-definition channel or three standard-definiti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44H04N5/14H04N5/04H04N21/43H04N21/433H04N21/426H04N21/8547
CPCH04N5/04H04N5/14H04N5/44H04N21/426H04N21/4307H04N21/4331H04N21/8547
Inventor 庄宏东聂云辉张锐焜饶浩中陈兴宝关欢欢李祖峰吴海伦
Owner GUANGZHOU CHANGJIA ELECTRONICS
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