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Code stream recording and signal analyzing device and implementation method thereof

A technology of signal analysis and implementation method, applied in image communication, selective content distribution, television and other directions, can solve problems such as high price, unsolved problems in time, affecting work efficiency, etc., to achieve easy operation, portability, expansion strong effect

Inactive Publication Date: 2014-07-02
SICHUAN JINWANGTONG ELECTRONICS SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the past, when technicians went to trouble spots to analyze signal problems, they had to carry nearly 50 kilograms of spectrum analyzers and expensive code stream recorders, which seriously affected work efficiency and prevented problems from being solved in time.

Method used

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  • Code stream recording and signal analyzing device and implementation method thereof
  • Code stream recording and signal analyzing device and implementation method thereof
  • Code stream recording and signal analyzing device and implementation method thereof

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Embodiment Construction

[0032] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0033] figure 1 It is a schematic block diagram of a code stream recording and signal analyzer according to an embodiment of the present invention. like figure 1 A code stream recording and signal analyzer shown includes:

[0034] A tuner, the tuner is used to receive the tested signal DVB-C or DTMB, and output the intermediate frequency analog signal;

[0035] Dual mode demodulator, described dual mode demodulator comprises A / D converter, DVB-C or DTMB module;

[0036] an A / D converter, the A / D converter converts the intermediate frequency analog signal into a digital signal;

[0037] DVB-C or DTMB module, the DVB-C or DTMB module converts the digital signal into a TS stream for output.

[0038] In another embodiment, the model of the A / D converter may be built in AVL6361TA.

[0039] The model of the...

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Abstract

The invention discloses a code stream recording and signal analyzing device and an implementation method thereof. A tuning unit of the code stream recording and signal analyzing device receives and processes tested signals DVB-C or DTMB, and then outputs medium frequency analog signals; the medium frequency analog signals are input in a dual-mode demodulator, and the medium frequency analog signals are firstly converted into digital signals through an A / D converter in the dual-mode demodulator; the digital signals are processed into TS streams through a DVB-C module or a DTMB module in the dual-mode demodulator and then are output. According to the code stream recording and signal analyzing device and the implementation method thereof, recording of DVBC signals and DTMB signals are supported, recording of an RF end is supported, signal spectral analysis is supported, carrying and operation are convenient to carry out, expansibility is high, and an internet access and a 1080P high definition interface are provided.

Description

technical field [0001] The invention relates to the technical field of digital television, in particular to a code stream recording and signal analyzer and an implementation method thereof. Background technique [0002] With the continuous development of the digital TV industry, how to quickly analyze and solve the problems encountered in the development of broadcasting and television is particularly important. The solution to a problem can often play a decisive role in the development of users. Due to the many analytical devices on the market, they are expensive on the one hand and inconvenient to carry on the other hand. For example, a code stream analyzer that can record digital TV TS stream signals of various standards and supports various radio frequency interfaces (DVB-S, DVB-C, DVB-T, DTMB) has a market price of around 50,000. [0003] In the past, when technicians went to trouble spots to analyze signal problems, they needed to carry nearly 50 kilograms of spectrum ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/76H04N21/4402H04N21/426
Inventor 黄克祥王建辉王森
Owner SICHUAN JINWANGTONG ELECTRONICS SCI & TECH
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