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Network playback method and device

A playback method and playback device technology, applied in image communication, selective content distribution, electrical components, etc., can solve the problems of high cable signal dependence, unstable use, etc.

Active Publication Date: 2020-01-14
SHENZHEN TCL DIGITAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main purpose of the present invention is to provide a network playback method and device, aiming to solve the problem of high dependence on cable line signal and unstable use in the prior art

Method used

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  • Network playback method and device

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no. 1 example

[0093] Further, refer to Figure 5 , based on the first embodiment of the network playback device of the present invention, in the second embodiment of the network playback device of the present invention, the separation module 30 includes:

[0094] The first control unit 31 is configured to control the division of the authorization management information network data and the authorization control information network data into multiple transport stream packets, and mix the multiple transport stream packets into dense stream data and multiplex them into mixed stream data;

[0095] The first obtaining unit 32 is configured to obtain the authorization management information object data and the authorization control information object data obtained by filtering the mixed stream data.

[0096] In the technical solution of the present invention, the EMM network data and the ECM network data obtained through the EMM network address and the ECM network address are serial data, which n...

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Abstract

The invention discloses a network playing method and device. The method comprises the steps of: acquiring a conditional access table and a program mapping table of network dense flow data corresponding to a current program; acquiring an entitlement management message network address obtained by interaction of the conditional access table and a smart card and an entitlement control message network address obtained by interaction of the program mapping table and the smart card; accessing a network according to the entitlement management message network address and the entitlement control message network address, acquiring entitlement management message network data and entitlement control message network data, separating the entitlement management message network data into entitlement management message target data, and separating the entitlement control message network data into entitlement control message target data; and acquiring control words obtained by interaction of the entitlement management message target data, the entitlement control message target data and the smart card, and on the basis of the control words, carrying out descrambling playing on the network dense flow data. The control words for controlling playing are acquired by interaction and descramble of the network dense flow data and the smart card, so that network playing is implemented.

Description

technical field [0001] The present invention mainly relates to the technical field of network broadcasting, and in particular, relates to a network broadcasting method and device thereof. Background technique [0002] With the rapid development of integrated circuit technology and digital processing technology, digital technology is widely used in cable television systems. Digital TV means that the source adopts digital compression coding, the transmission adopts digital communication technology, and the terminal adopts digital TV receiver (set-top box) to decode and realize TV playback. Wherein the transmission medium of the signal is a cable television cable (namely cable line), and the digitally compressed and coded signal is transmitted from the source to the set-top box through the cable line for decoding and playing. This has led to the strong dependence of signal transmission on the cable line. Once the cable line signal is lost, the signal cannot be transmitted to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/4367H04N21/4623H04N21/4627
CPCH04N21/4367H04N21/4623H04N21/4627
Inventor 李宏强
Owner SHENZHEN TCL DIGITAL TECH CO LTD
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