CN104219470A - Digital television receiving device and digital television broadcast method - Google Patents
Digital television receiving device and digital television broadcast method Download PDFInfo
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- CN104219470A CN104219470A CN201310210032.XA CN201310210032A CN104219470A CN 104219470 A CN104219470 A CN 104219470A CN 201310210032 A CN201310210032 A CN 201310210032A CN 104219470 A CN104219470 A CN 104219470A
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Abstract
The invention discloses a digital television receiving device, which comprises a storage unit, a digital television receiving and demodulating unit, a DTV (Digital Television) preprocessing unit and a control unit. The storage unit is used for storing client software, which runs at a mobile terminal to implement interaction control and program broadcast with the digital television receiving device. The digital television receiving and demodulating unit is used for demodulating a received mobile digital television signal to output TS (Transport Stream). The DTV preprocessing unit is used for processing and decoding the TS stream to output audio and video data. The control unit is used for implementing wireless interaction with the mobile terminal and transmitting the audio and video data to the mobile terminal as well as controlling the mobile terminal for loading the client software and interacting with the client software to play the received audio and video data. The invention also provides a digital television broadcast method.
Description
Technical field
The present invention relates to a kind of digital television receiving apparatus and television broadcasting method, particularly a kind ofly can realizing mobile terminal plays mobile digital TV signals digital television receiving apparatus and Digital Television broadcasting method when not changing hardware structure own.
Background technology
Universal along with the arrival in 3G epoch and the Internet broadband, our life has entered into the higher level information age, and the most outstanding feature is exactly with the rapid emergence of smart mobile phone and the panel computer mobile intelligent terminal that is representative.People watch TV on mobile intelligent terminal, the behavior of video also gets more and more, need to seek a kind ofly can meet the solution of user to the mobile video demand of high definition smoothness, and mobile digital TV is exactly the internationally recognized New Media technology meeting this demand.But the mobile digital TV standard that different geographical adopts disunity, the four large ground digital television broadcast transmission standards having obtained International Certification are at present the DTMB of the ATSC of the U.S., the DVB-T in Europe, Japanese ISDB-T and China respectively.And in CHINESE REGION, at present except the smart mobile phone that loads CMMB watches mobile digital TV by the combination of satellite and ground launch tower, other most intelligent mobile terminal is all rely on mobile communication network, uses terminal software to watch mobile video and a small amount of programme televised live by flow.Because the restriction of mobile network's bandwidth and bandwidth such as to be paid dues at the factor, it is that popular acceptance level is also lower.And also have its intrinsic limitation for the smart mobile phone loading CMMB, such as, the type of mobile terminal loading CMMB causes user can not find wanting type, because the digital television signal that cannot receive other standard causes mobile terminal use to be subject to region restriction etc. less.Thus, for kind and the various various mobile intelligent terminals of brand, a kind of solution that can receive mobile digital TV signals easily is not also had.
Summary of the invention
In view of this, be necessary to provide a kind of digital television receiving apparatus, mobile terminal can be realized and play mobile digital TV signals when not changing hardware structure own.
This digital television receiving apparatus, plays mobile digital TV signals for realizing mobile terminal when not changing current hardware structure.Digital television receiving apparatus comprises memory cell, Digital TV Receiving and demodulating unit, DTV pretreatment unit and control unit.Memory cell can carry out to realize mobile terminal and digital television receiving apparatus the client software that interactive controlling and program play at running of mobile terminal for storing.Digital TV Receiving and demodulating unit are used for carrying out demodulation to export the TS stream of number format to the mobile digital TV signals with specific criteria received.DTV pretreatment unit is used for TS being flow to row relax and decoding with the audio, video data exporting TS stream format.Control unit for realizing carrying out wireless interaction between mobile terminal and sending the audio, video data that DTV pretreatment unit exports to mobile terminal, and loads client software for controlling mobile terminal and carries out mutual to play the audio, video data received with client software.
The present invention also provides a kind of Digital Television broadcasting method, plays mobile digital TV signals for digital television receiving apparatus to realize mobile terminal when not changing hardware structure own.Digital television receiving apparatus comprises antenna, Digital TV Receiving and demodulating unit for receiving mobile digital TV signals and memory cell.Memory cell for storing dissimilar Digital Television driver, and can carry out to realize mobile terminal and digital television receiving apparatus the client software that interactive controlling and program play at running of mobile terminal.This Digital Television broadcasting method comprises step:
The type of detecting Digital TV Receiving and demodulating unit;
Load and run the Digital Television driver consistent with the type of Digital TV Receiving and demodulating unit;
Set up the wireless network of digital television receiving apparatus;
Monitoring whether has mobile terminal access of radio network and the mobile terminal of prompting access loads client software to realize and digital television receiving apparatus carries out interactive controlling and program is play when there being mobile terminal access of radio network;
Digital TV Receiving and demodulating unit carry out demodulation to export the TS stream of numeral to the mobile digital TV signals received;
TS is flow to row relax and audio/video decoding to export the audio, video data of TS stream format; And
Output sound video data is play to the mobile terminal loading client software.
Above-mentioned digital television receiving apparatus and Digital Television broadcasting method, load client software to realize carrying out interactive controlling and program is play with digital television receiving apparatus by the mobile digital TV signals received wirelessly being sent to mobile terminal and controlling mobile terminal, thus make mobile terminal can play mobile digital TV signals when not changing hardware structure.
Accompanying drawing explanation
Fig. 1 is for mobile terminal being accessed to the schematic diagram of the digital television receiving apparatus of received terrestrial digital broadcasting net in better embodiment of the present invention.
Fig. 2 is the module map of digital television receiving apparatus in Fig. 1.
Fig. 3 is the flow chart of the Digital Television broadcasting method of the present invention one better embodiment.
Main element symbol description
Digital television receiving apparatus 100
Mobile terminal 200
Digital TV Receiving and demodulating unit 10
Self-defined general-purpose interface 20
DTV pretreatment unit 30
Digital Television driver runs module 310
DTV pretreatment module 320
Control unit 40
Detecting module 410
Digital Television driver load-on module 420
Terminal interaction control module 430
Packet modular converter 440
TS flows routing module 450
Network communication module 460
Memory cell 50
Antenna 60
Ground digital television broadcast net 300
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, the digital television receiving apparatus 100 of present pre-ferred embodiments is for accessing to ground digital television broadcast net 300 by mobile terminal 200.Digital television receiving apparatus 100 can receive mobile digital TV signals, and wirelessly the mobile digital TV signals received can be sent to mobile terminal 200 and play, thus make mobile terminal 200 can receive when its hardware configuration is constant and plays Digital Television.Please also refer to Fig. 2, digital television receiving apparatus 100 comprises Digital TV Receiving and demodulating unit 10, self-defined general-purpose interface 20, DTV pretreatment unit 30, control unit 40 and memory cell 50.In addition, digital television receiving apparatus 100 also comprises the antenna 60 for receiving mobile digital TV signals.Mobile terminal 200 can be mobile phone, panel computer etc.In the present embodiment, mobile terminal 200 is smart mobile phone.
Memory cell 50 is for storing client software and dissimilar Digital Television driver.Client software can run at mobile terminal 200, carries out interactive controlling and program is play to realize mobile terminal 200 and digital television receiving apparatus 100.Because different mobile terminals 200 may adopt different operating system, client software is designed to different versions with mutually compatible with corresponding operating system.Such as, the client software of Android version is applicable to the mobile terminal 200 of android system.Dissimilar Digital Television driver is corresponding with the mobile digital TV signals of various criterion respectively.In the present embodiment, Digital Television driver comprises following Four types: the DVB-T type Digital Television driver corresponding with DVB-T standard, the ATSC type Digital Television driver corresponding with ATSC standard, the ISDB-T type Digital Television driver corresponding with ISDB-T standard, and the DTMB type Digital Television driver corresponding with DTMB standard.
Digital TV Receiving and demodulating unit 10 carry out demodulation to export the TS stream of number format for the mobile digital TV signals with specific criteria received antenna 60.In the present embodiment, Digital TV Receiving and demodulating unit 10, according to the various criterion of the mobile digital TV signals that can support, are divided into following four kinds of different types: for supporting the DVB-T type Digital TV Receiving of DVB-T standard and demodulating unit, for supporting the ATSC type Digital TV Receiving of ATSC standard and demodulating unit, for supporting the ISDB-T type Digital TV Receiving of ISDB-T standard and demodulating unit and for supporting DTMB type Digital TV Receiving and the demodulating unit of DTMB standard.Dissimilar Digital TV Receiving and demodulating unit 10 are connected to self-defined general-purpose interface 20 all pluggablely.So, digital television receiving apparatus 100 can replace dissimilar Digital TV Receiving and demodulating unit 10 by plug-in, to support the mobile digital TV signals of various criterion.Understandably, in other embodiments, each digital television receiving apparatus 100 all has fixing and supports Digital TV Receiving and the demodulating unit 10 of specific criteria, can receive and support the mobile digital TV signals of a certain specific criteria.
Self-defined general-purpose interface 20 is electrically connected on DTV pretreatment unit 30.Self-defined general-purpose interface 20 compatible serial parallel TS stream interface and control power supply interface etc., the TS for number format Digital TV Receiving and demodulating unit 10 exported is streaming to DTV pretreatment unit 30.
DTV pretreatment unit 30 is electrically connected on control unit 40, and the TS for being sent by self-defined general-purpose interface 20 flows to row relax and decodes with the audio, video data exporting TS stream format.DTV pretreatment unit 30 comprises Digital Television driver and runs module 310 and DTV pretreatment module 320.Digital Television driver runs module 310 for the consistent Digital Television driver of the standard run with Digital TV Receiving and demodulating unit 10 are supported, with make DTV pretreatment unit 30 can with respective digital television reception and demodulating unit 10 phase compatible.Such as, when DVB-T type Digital TV Receiving and demodulating unit are plugged to digital television receiving apparatus 100, Digital Television driver runs module 310 and runs the DVB-T type Digital Television driver corresponding with DVB-T standard, thus make DTV pretreatment unit 30 can with DVB-T type Digital TV Receiving and demodulating unit 10 phase compatibility.DTV pretreatment module 320 carry out that demultiplexing, condition receiving system (CAS) are integrated, PID filters for the TS stream sent by self-defined general-purpose interface 20 and audio/video decoding to export the audio, video data of TS stream format to control unit 40.
Control unit 40 is undertaken by the interfaces such as SDIO, USB, SPI and DTV pretreatment unit 30 alternately.Control unit 40 adopts small-sized micro-chip processor load operation system (such as, LINUX operating system) in the present embodiment, for co-ordination between each functional module of control figure radiovisor 100.Control unit 40 also carries out between digital television receiving apparatus 100 and mobile terminal 200 alternately for realizing.Control unit 40 comprises detecting module 410, Digital Television driver load-on module 420, terminal interaction control module 430, packet modular converter 440, TS stream routing module 450 and network communication module 460.
Detecting module 410 detects Digital TV Receiving and whether demodulating unit 10 inserts self-defined general-purpose interface 20, and obtains the type of Digital TV Receiving and the demodulating unit 10 inserted when Digital TV Receiving and demodulating unit 10 insert self-defined general-purpose interface 20.Digital Television driver load-on module 420 control figure TV driver runs module 310 and loads and run the Digital Television driver consistent with the Digital TV Receiving of insertion and the type of demodulating unit 10, with the mobile digital TV signals making digital television receiving apparatus 100 can support respective standard.
Whether terminal interaction control module 430 sets up the wireless network of digital television receiving apparatus 100, and have mobile terminal 200 to access in the wireless network of further monitoring digital television receiving apparatus 100.When there being mobile terminal 200 to access, terminal interaction control module 430 points out the mobile terminal 200 of access to load client software to realize carrying out interactive controlling and program is play with digital television receiving apparatus 100.Particularly, after the wireless network setting up digital television receiving apparatus 100, when digital television receiving apparatus 100 receives the request from mobile terminal 200, terminal interaction control module 430 is set up radio communication by design terminal Interactive Control Protocol in advance with mobile terminal 200 and is connected.After digital television receiving apparatus 100 and mobile terminal 200 are set up and are communicated, terminal interaction control module 430 controls further mobile terminal 200 and loads client software, realizes carrying out with digital television receiving apparatus 100 mutual and program play to make mobile terminal 200.In the present embodiment, terminal interaction control module 430 sends information and loads client software to mobile terminal 200 with prompting mobile terminal 200.Wherein, in information, at least comprise the chained address of client software, to allow mobile terminal 200 by the client software in this chained address load store unit 50.So, mobile terminal 200 can load client software according to this information, thus realization and digital television receiving apparatus 100 carry out interactive controlling and program is play.
Packet modular converter 440 is for converting the IP traffic of applicable wireless network transmissions to by the audio, video data of TS stream format.TS flows routing module 450, for setting up rear being responsible for that communicate at digital television receiving apparatus 100 and mobile terminal 200, IP traffic is distributed to multiple mobile terminal 200, thus the TS realizing digital television receiving apparatus 100 flows wireless routing function, access digital television receiving apparatus 100 to allow multiple mobile terminal 200 and watch identical or different digital television program simultaneously.
Network communication module 460 is connected to the Internet for realizing digital television receiving apparatus 100, thus makes mobile terminal 200 can also access the Internet while connection ground digital television broadcast network.Network communication module 460 can be the communication modules such as WIFI, 3G, network interface.
To communicate and after loading client software, mobile terminal 200 responds user operation and produces program play instruction (such as, channel selection instruction) when mobile terminal 200 and digital television receiving apparatus 100 are set up.Described DTV pretreatment module 320 responds channel selection instruction, and from program transport streams, extract the compressed package of respective program, then carries out that CAS is integrated, TS flows demultiplexing, PID filters and audio/video decoding process, to export the audio, video data of TS stream format.Packet modular converter 440 converts the audio, video data of TS stream format the IP traffic of applicable wireless network transmissions to.TS stream routing module 450 is responsible for that IP traffic is distributed to mobile terminal 200 and is play.So, mobile terminal 200 can play the program corresponding with channel selection instruction.
Refer to Fig. 3, the flow chart of the Digital Television broadcasting method of the present invention one better embodiment.This Digital Television broadcasting method is used for above-mentioned digital television receiving apparatus 100 and plays mobile digital TV to realize mobile terminal 200.This digital television receiving apparatus 100 comprising antenna 60 for receiving mobile digital TV signals, pluggable to design in the Digital TV Receiving of digital television receiving apparatus 100 and demodulating unit 10 and the memory cell 50 for storing client software and dissimilar Digital Television driver.Wherein, Digital TV Receiving and demodulating unit 10 are divided into different models according to the standard of the digital television signal that can support, the mobile digital TV signals of the corresponding various criterion of dissimilar Digital Television driver.This Digital Television broadcasting method comprises the steps:
Step S310, digital television receiving apparatus 100 provide self-defined general-purpose interface 20 with allow Digital TV Receiving and demodulating unit 10 pluggable access.
Step S320, detecting module 410 detects Digital TV Receiving and whether demodulating unit 10 inserts self-defined general-purpose interface 20.If Digital TV Receiving and demodulating unit 10 do not insert, detecting module 410 continues detecting Digital TV Receiving and whether demodulating unit 10 inserts self-defined general-purpose interface 20, and flow process returns step S320.If Digital TV Receiving and demodulating unit 10 insert, flow process goes to step S330.
Step S330, detecting module 410 obtains the type of Digital TV Receiving and the demodulating unit 10 inserted further.
Step S340, Digital Television driver load-on module 420 control figure TV driver runs module 310 and loads and run the Digital Television driver consistent with the Digital TV Receiving of insertion and the type of demodulating unit 10.
Step S350, digital television receiving apparatus 100 sets up the wireless network of digital television receiving apparatus 100 by terminal interaction control module 430.
Step S360, whether terminal interaction control module 430 is monitored in the wireless network of digital television receiving apparatus 100 has mobile terminal to access.If so, flow process goes to step S370.If not, whether have terminal access, flow process is back to step S360 if continuing monitoring.
Step S370, terminal interaction control module 430 points out the mobile terminal 200 of access to load client software to realize carrying out interactive controlling and program is play with digital television receiving apparatus 100.In the present embodiment, terminal interaction control module 430 sends information and loads client software to mobile terminal 200 with prompting mobile terminal 200.Wherein, in information, at least comprise the chained address of client software, to allow mobile terminal 200 by the client software in this chained address load store unit 50.
Step S380, antenna 60 receives mobile digital TV signals, and Digital TV Receiving and demodulation module 120 carry out demodulation to export the TS stream of number format to the mobile digital TV signals received.
Step S390, DTV pretreatment module 320 responds the program play instruction from mobile terminal 200, TS stream is carried out that demultiplexing, condition receiving system (CAS) are integrated, PID filters and audio/video decoding to export the audio, video data of number format.
Step S400, packet modular converter 440 converts the audio, video data of TS stream format the IP traffic of applicable wireless network transmissions to, and IP traffic distribution is transferred to mobile terminal 200 and plays by TS stream routing module.
Above-mentioned digital television receiving apparatus 100 and Digital Television broadcasting method, replace Digital TV Receiving and the demodulating unit 10 of different model, to support the mobile digital TV signals of various criterion by plug-in.In addition, the mobile digital TV signals received wirelessly is sent to mobile terminal 200 and controls client software that mobile terminal 200 loads to realize carrying out interactive controlling with digital television receiving apparatus 100 and program is play by above-mentioned digital television receiving apparatus 100 and Digital Television broadcasting method, thus makes mobile terminal 200 can play the mobile digital TV signals of various criterion when not changing hardware configuration.
In sum, although disclose the preferred embodiments of the present invention for the purpose of illustration, but the present invention is not confined to embodiment as above, in the category not exceeding basic fundamental thought of the present invention, the technical staff of relevant industries can carry out various deformation and application to it.
Claims (10)
1. a digital television receiving apparatus, mobile digital TV signals is play when not changing hardware structure own for realizing mobile terminal, this digital television receiving apparatus comprises memory cell, Digital TV Receiving and demodulating unit, DTV pretreatment unit and control unit, memory cell can carry out to realize mobile terminal and digital television receiving apparatus the client software that interactive controlling and program play at running of mobile terminal for storing, Digital TV Receiving and demodulating unit are used for carrying out demodulation to export the TS stream of number format to the mobile digital TV signals with specific criteria received, DTV pretreatment unit is used for TS being flow to row relax and decoding with the audio, video data exporting TS stream format, control unit carries out mutual for realizing and sends the audio, video data that DTV pretreatment unit exports to mobile terminal between mobile terminal, it is characterized in that: this control unit controls this digital television receiving apparatus and mobile terminal carries out wireless connections with mutual, to load client software, the audio, video data that process interactive information and broadcasting receive, thus make each mobile terminal watch Digital Television when not changing current hardware structure.
2. digital television receiving apparatus as claimed in claim 1, it is characterized in that: this Digital TV Receiving and demodulating unit are connected to described DTV pretreatment unit pluggablely, replace different Digital TV Receivings and demodulating unit to support the mobile digital TV signals of various criterion to enable digital television receiving apparatus by plug-in.
3. digital television receiving apparatus as claimed in claim 2, it is characterized in that: this Digital TV Receiving and demodulating unit are according to the standard of the digital television signal that can support, be divided into different models, this digital television receiving apparatus replaces the Digital TV Receiving of different model and demodulating unit to support the Digital Television of various criterion by plug-in.
4. digital television receiving apparatus as claimed in claim 3, it is characterized in that: this digital television receiving apparatus also comprises the self-defined general-purpose interface being electrically connected on DTV pretreatment unit, the TS for number format Digital TV Receiving and demodulating unit exported is streaming to DTV pretreatment unit; This Digital TV Receiving and demodulating unit by this self-defined general-purpose interface pluggable be connected to described DTV pretreatment unit.
5. digital television receiving apparatus as claimed in claim 1, it is characterized in that: this memory cell is also for storing dissimilar Digital Television driver, this DTV pretreatment unit comprises Digital Television driver and runs module, for the Digital Television driver that the standard run with Digital TV Receiving and demodulating unit are supported is consistent, with enable DTV pretreatment unit and respective digital television reception and demodulating unit mutually compatible.
6. digital television receiving apparatus as claimed in claim 5, it is characterized in that: this control unit comprises detecting module and Digital Television driver load-on module, the type of the Digital TV Receiving that detecting module detecting is inserted and demodulating unit, Digital Television driver load-on module control figure TV driver runs module loading and runs the Digital Television driver consistent with the Digital TV Receiving of insertion and the type of demodulating unit, with the mobile digital TV signals enabling digital television receiving apparatus support respective standard.
7. digital television receiving apparatus as claimed in claim 1, it is characterized in that: this control unit also comprises terminal interaction control module, wirelessly send audio, video data to mobile terminal for setting up radio communication between mobile terminal to make control unit, and load client software for controlling mobile terminal after setting up radio communication with mobile terminal and carry out mutual to play the audio, video data received with client software.
8. a Digital Television broadcasting method, mobile digital TV signals is play to realize mobile terminal when not changing hardware structure own for digital television receiving apparatus, this digital television receiving apparatus comprises the antenna for receiving mobile digital TV signals, Digital TV Receiving and demodulating unit, and memory cell, memory cell is for storing dissimilar Digital Television driver, and can carry out to realize mobile terminal and digital television receiving apparatus the client software that interactive controlling and program play at running of mobile terminal, this Digital Television broadcasting method comprises step:
The type of detecting Digital TV Receiving and demodulating unit;
Load and run the Digital Television driver consistent with the type of Digital TV Receiving and demodulating unit;
Set up digital television receiving apparatus wireless network;
Whether monitoring has mobile terminal to access this wireless network and the mobile terminal of prompting access loads client software to realize and digital television receiving apparatus carries out interactive controlling and program is play when there being mobile terminal access of radio network;
Demodulation is carried out to export TS stream to the mobile digital TV signals received;
TS is flow to row relax and audio/video decoding to export the audio, video data of TS stream format; And
Output sound video data is play to the mobile terminal loading client software.
9. Digital Television broadcasting method as claimed in claim 8, the step that described output sound video data carries out playing to the mobile terminal loading client software comprises:
The audio, video data of TS stream format is converted to the data flow of applicable wireless network transmissions; And
Data flow is wirelessly sent to the mobile terminal loading client software to play.
10. Digital Television broadcasting method as claimed in claim 8, it is characterized in that: described Digital TV Receiving and demodulating unit design in digital television receiving apparatus pluggablely, described Digital TV Receiving unit provide self-defined general-purpose interface with allow Digital TV Receiving and demodulating unit pluggable access.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310210032.XA CN104219470B (en) | 2013-05-30 | 2013-05-30 | Digital television receiving apparatus and DTV play method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310210032.XA CN104219470B (en) | 2013-05-30 | 2013-05-30 | Digital television receiving apparatus and DTV play method |
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| CN104219470A true CN104219470A (en) | 2014-12-17 |
| CN104219470B CN104219470B (en) | 2018-08-17 |
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| CN201310210032.XA Expired - Fee Related CN104219470B (en) | 2013-05-30 | 2013-05-30 | Digital television receiving apparatus and DTV play method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106879035A (en) * | 2015-12-14 | 2017-06-20 | 北京奇虎科技有限公司 | A kind of method for realizing terminal device switching, device, server and system |
| CN106878802A (en) * | 2015-12-14 | 2017-06-20 | 北京奇虎科技有限公司 | A kind of method and server for realizing terminal device switching |
| CN111131859A (en) * | 2018-10-31 | 2020-05-08 | 深圳市茁壮网络股份有限公司 | Method and device for forwarding TS (transport stream) through router and router |
| CN113179425A (en) * | 2020-11-16 | 2021-07-27 | 北京路安世纪文化发展有限公司 | High-speed digital television signal transmission method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106879035A (en) * | 2015-12-14 | 2017-06-20 | 北京奇虎科技有限公司 | A kind of method for realizing terminal device switching, device, server and system |
| CN106878802A (en) * | 2015-12-14 | 2017-06-20 | 北京奇虎科技有限公司 | A kind of method and server for realizing terminal device switching |
| CN111131859A (en) * | 2018-10-31 | 2020-05-08 | 深圳市茁壮网络股份有限公司 | Method and device for forwarding TS (transport stream) through router and router |
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| CN104219470B (en) | 2018-08-17 |
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