CN102014270A - Method and device for realizing switched digital video (SDV) on hybrid fiber coax network - Google Patents
Method and device for realizing switched digital video (SDV) on hybrid fiber coax network Download PDFInfo
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Abstract
The invention relates to a method for realizing a switched digital video (SDV) on a hybrid fiber coax network, comprising the following steps: constituting, distributing and automatically updating the channel list of an SDV at the fixed period; accessing the SDV channel, establishing an SDV session and querying the information of the channel; judging whether the channel is in multicast, if so, returning to broadcast the information of the SDV channel, and otherwise, distributing the front end equipment of a digital video broadcasting system with a free space for broadcasting the channel, and returning to broadcast the information of the SDV channel; and broadcasting the SDV channel and preserving the SDV session. The invention also relates to a device for realizing a switched digital video (SDV) on a hybrid fiber coax network. By implementing the method and device in the invention, the beneficial effect of automatically adjusting the SDV channel can be achieved based on the audience situations.
Description
Technical field
The present invention relates to the digital video field, more particularly, relate to a kind of method and device of on hybrid fiber coax, realizing switched digital video.
Background technology
Along with country promotes the integration of three networks, television services such as IPTV, interactive TV, internet television will launch keen competition, in order to improve the competitiveness of oneself, each television operator probably can be introduced a large amount of pay channels and high definition channel, satisfies all kinds of clients' differentiated demand.Along with channel is more and more, if still use the broadcast strategy of traditional all the period of time and all terminals of covering, these channels will take valuable Access Network bandwidth in a large number, and the channel number that can hold will be very limited.SDV(Switched Digital Video, switched digital video), be the thought of a head it off of U.S. cable network operator proposition, this thought general idea is as follows, have only when having the user watching certain SDV channel below certain access node, just this channel data can be gone down through this node Access Network broadcasting or multicast.From operational angle, the foundation of SDV business development is the accurate statistics to user watched rate.According to statistical law, wired operator finds in all broadcast programs that it provides, the program that most of user (more than 80%) is watched concentrates on a spot of channel (be less than channel number 20%), and remaining 20% the channel that the user watched then is dispersed in 80% the channel.SDV allows this user of 20% only just program is sent to its corresponding set-top box in real time when watching program, like this, wired operator just can discharge 80% channel resource and be used to carry out program request, personal network's video tape recorder (nPVR, network personal video recorder) and data service.At present, though the solution that also has some to realize SDV, the SDV solution of Cisco company for example,, these schemes still have the SDV channel can only be by operator's static allocation, can't be according to channel viewership defective such as adjustment automatically.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective of the above-mentioned static allocation SDV channel of prior art, provides a kind of method and device of realizing switched digital video on hybrid fiber coax of dynamic assignment SDV channel.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of method that realizes switched digital video on hybrid fiber coax, comprise the steps:
A) form, distribute the channel list of also automatic regular update switched digital video;
B) enter the switched digital video channel, set up the switched digital video session, inquire about the described digital video channel information that enters;
C) do you judge that whether described channel is just at multicast? in this way, execution in step E); As denying execution in step D);
D) one of real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel, and carries out next step;
E) return the information of playing described switched digital video channel;
F) broadcast described switched digital video channel and keep the switched digital video session.
In method of the present invention, described steps A) further comprise:
A1) obtain the play parameter of the headend equipment of all digital video broadcast systems;
A2) gather viewing-data;
A3) generate the rating seniority among brothers and sisters according to described viewing-data and be distributed to the real time streaming transport protocol server, on described real time streaming transport protocol server, generate electric program menu and distribution.
In method of the present invention, described step B) further comprise in:
B1) judge when advancing into whether switched digital video channel of channel according to described electric program menu, in this way, send RTSP(Real Time Streaming Protocal, real time streaming transport protocol to described real time streaming transport protocol server) request;
B2) parameter of setting up the RTSP session and inquiring about this digital video channel, described parameter comprise channel frequency and server identification code.
In method of the present invention, described step D) further comprises in: distribute idle frequency to be used to play described switched digital video channel.
In method of the present invention, described step e) further comprise:
E1) return the frequency and the server information of identification code of described channel;
Or E2) on selected idle frequency, broadcasts described channel program and return the frequency and the server information of identification code of described channel.
In method of the present invention, also comprise the steps:
When G) all the switched digital video sessions on the described switched digital video channel disconnected, the headend equipment of described digital video broadcast system stopped to play this channel program, discharges corresponding frequency resource.
The invention still further relates to a kind of device of on hybrid fiber coax, realizing switched digital video, comprising:
Channel list forms module: be used to form, distribute also the channel list of regular update switched digital video automatically;
Module is set up in session: be used for setting up the switched digital video session when entering the switched digital video channel, inquire about this channel information;
Channel judge module: be used to judge that whether described channel is just at multicast;
The channel allocation module: receive above-mentioned channel judge module mid band not in the information of multicast, being used for one of real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel;
Channel information transport module: be used to receive the described switched digital video channel information of broadcast of described channel judge module and the output of channel allocation module, and return the information of playing described switched digital video channel and set up module to described session;
And session keeps module: be used for keeping when broadcasting described switched digital video channel the switched digital video session.
In device of the present invention, described channel list forms module and further comprises:
Front-end information obtains the unit: the play parameter that is used to obtain the headend equipment of all digital video broadcast systems;
Watching data collecting unit: be used to gather viewing-data;
Electric program menu generates and Dispatching Unit: be used to receive described front-end information and obtain the play parameter of unit output and the viewing-data that described data acquisition unit is gathered, and generate the rating seniority among brothers and sisters according to described viewing-data and be distributed to the real time streaming transport protocol server, on described real time streaming transport protocol server, generate electric program menu and distribution.
In device of the present invention, described session is set up module and is further comprised:
RTSP request forms the unit: be used for judging when advancing into whether switched digital video channel of channel according to described electric program menu, in this way, send the RTSP request to described real time streaming transport protocol server;
Parameter query unit: accept described RSTP request and form the request that the unit sends, set up the RTSP session, inquire about the parameter of this digital video channel; Described parameter comprises channel frequency and server identification code.
In device of the present invention, also comprise:
Session is differentiated and is stopped playing module: be subjected to described session to keep module controls, when being used for all the switched digital video sessions disconnections on described switched digital video channel, stopping to play this channel program, and discharge corresponding frequency resource.
Implement method and the device of on hybrid fiber coax, realizing switched digital video of the present invention, has following beneficial effect: owing to constantly form channel list and generate electronic program guides according to it, and when not having the user to watch, a SDV channel stops to broadcast and discharging channel, so can adjust the SDV channel automatically according to viewership.
Description of drawings
Fig. 1 is that the present invention realizes the method for switched digital video and the method flow diagram among the device embodiment on hybrid fiber coax;
Fig. 2 is the method flow diagram of further refinement among the described embodiment;
Fig. 3 is the device logical construction schematic diagram among the described embodiment;
Fig. 4 be among the described embodiment signal flow to schematic diagram.
Embodiment
Embodiments of the present invention is further illustrated below in conjunction with accompanying drawing.
As shown in Figure 1, on hybrid fiber coax, realize to realize on hybrid fiber coax that the method for switched digital video comprised the steps: in the method and the method among the device embodiment of switched digital video in the present invention
Step S11 forms, the channel list of the also automatic regular update switched digital video of distribution: in this step, the viewing-data that collects according to terminal forms electronic program guides (being EPG), and the above-mentioned EPG that obtains is distributed to each terminal.Data acquisition in this step is not to be limited to the channel of intranodal or digital program, and simultaneously, this step is constantly to repeat the time by prior setting.
Step S12 enters the switched digital video channel, set up the switched digital video session, inquire about the described digital video channel information that enters: in this step, any user enters a switch type digital channel (being this digital video channel of program request) in above-mentioned EPG, so, begin to set up the switched digital video session, inquire about the information of this channel.
Does step S13 judge that whether described channel is just at multicast? in this way, execution in step S15; As denying execution in step S14: in this step, whether above-mentioned multicast intranodal just in above-mentioned network, that propose above-mentioned conversation request exists the broadcasting of this channel.For node, above-mentioned broadcast is broadcasting, but for network, above-mentioned broadcast is exactly a multicast, so multicast is for different scopes with broadcasting, in the present embodiment, multicast is actually identical with broadcasting.
One of step S14 real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel: in this step, because the above-mentioned switched digital video channel that enters is not in the intranodal multicast that proposes conversation request (or broadcasting), described, needing to distribute one has the headend equipment of the digital video broadcast system of free space to be used to play described channel.
Step S15 returns the information of playing described switched digital video channel: in this step, if above-mentioned channel is play at intranodal, then directly jump to the information that this step is returned above-mentioned channel by step S13; If above-mentioned channel unread is play at intranodal, then pass through step S14 after, return the information of above-mentioned channel again by this step; These information comprise frequency point parameters, channel content or the like.
Step S16 broadcasts described switched digital video channel and keeps the switched digital video session: in this step, need transmit above-mentioned channel program content on above-mentioned selected channel.Meanwhile, it is continuous also will to keep above-mentioned switched digital video session in this step.
Fig. 2 shows a kind of mode of the further refinement of each step among above-mentioned Fig. 1, and particularly, Fig. 2 comprises the steps:
Step S01 configuration the whole network QAM(Quadrature Amplitude Modulation, digital tuner) resource information: dispose IP address and the frequency point ranges of all QAM, and affiliated node, the pairing RTSP Control Server of each node.These information will record in the database, and are synchronized to each RTSP Control Server.Each RTSP Control Server will be known own node and the QAM that is responsible for.Wherein, the RTSP Control Server is to realize seeing also concrete device in the physical structure of device of switched digital video Fig. 4 and describe part based on two-way HFC network in the present embodiment.
Following step S02 constitutes composition, distributes also the function of the channel list of regular update switched digital video automatically to step S04, specifically:
Step S02 gathers viewing-data: in the present embodiment, as shown in Figure 4, terminal management system is responsible for the management of terminal, comprising the collection of viewing-data, follow the TR069 agreement, terminal and terminal management system can be set up session, report oneself address and port, and regularly reporting this user's viewing-data according to acquisition strategies, terminal management system can be put viewing-data in storage, offers the user behavior analysis system and adds up.
Step S03 statistics rating generates the also distribution of rating seniority among brothers and sisters: according to preset strategy periodic analysis viewing-data, and count the rating seniority among brothers and sisters of channel, and with statistics distribution (to each RTSP Control Server).
Step S04 generates channel EPG(Electronic program Guide, electronic program guides) information and be distributed to terminal: according to channel rating seniority among brothers and sisters and SDV channel division strategy, generate channel EPG information, and clean culture uses fixedly for appointment QAM, and frequency is broadcast to terminal (being set-top box in the present embodiment).Such as according to common 2/8 rule, the channel setting that the rating with 80% is lower is the SDV channel.
What deserves to be mentioned is that above-mentioned steps S02-S04 is an automatic cyclic process, its Automatic Cycle will regular update SDV channel table, makes the distribution of channel to carry out dynamically.It is regular that this place is said, is constantly to repeat above-mentioned steps in the time of setting in advance, makes above-mentioned SDV channel table can react current in progress channel and programme content thereof exactly.
Step S05 terminal request SDV channel program: analyze channel EPG information, learn which channel is the SDV channel.When visit SDV channel, initiatively initiate the RTSP request to affiliated RTSP Control Server, set up the SDV session, inquire the information such as frequency, ServiceID of this SDV channel to the RTSP Control Server.In this step, be actually and set up the switched digital video session, inquire about this channel information.
Step S06 RTSP Control Server judges whether this node is broadcasting this channel: set up after the SDV session, judge whether the SDV channel of its request just broadcasts at this node, if have, then return information such as frequency, ServiceID, and entering the S08 step, notice terminal (set-top box) is received to spread on the appointment frequency and is put; If no, then enter S07, distribute one to have the headend equipment of the digital video broadcast system of free space to be used to play described channel.In this step, the channel of requirement is just at multicast, so as long as return the digital video interactive channel information.
Step S07 distributes the idle frequency resource of QAM, notify its reception and broadcast this channel stream: when the SDV channel of user's request does not broadcast on its node, the RTSP Control Server can distribute a QAM that enough free spaces are arranged, and notify its network multicast that receives this channel stream, on the appointment frequency, be broadcast to all set-top box of this node at last.Annotate: channel network multicast stream is incessantly channel program stream to be distributed to network by television direct broadcast system by the multicast mode.
Step S08 notice terminal is put specifying to receive to spread on the frequency, and keeps the SDV session: after broadcasting the SDV channel of user's request, the RTSP Control Server can return to terminal (set-top box) with information such as broadcasting frequency, and notifies its receipts to spread to put program.In playing process, keep the SDV session connection between set-top box and the RTSP Control Server always, after the user watches other channel, disconnect connection.
After step S09 does not have the user to watch, the SDV channel of going off the air: after all SDV sessions that the RTSP Control Server detects certain SDV channel all disconnect, will notify QAM to stop the broadcast of this channel.
Fig. 3 is an apparatus structure schematic diagram of realizing switched digital video in this enforcement on hybrid fiber coax, said apparatus is described in distribution on this schematic diagram logic-based, in Fig. 3, this device logically comprises: channel list forms module 1, session is set up module 2, channel judge module 3, channel allocation module 4, channel information transport module 5, session maintenance module 6 and session differentiation and stopped playing module 7.Wherein, above-mentioned channel list forms the channel list that module 1 is used to form, distribute also automatic regular update switched digital video; Session is set up module 2 and is used for setting up the switched digital video session when entering the switched digital video channel, inquires about this channel information; Channel judge module 3 is used to judge that whether described channel is just at multicast; Channel allocation module 4 is used to receive above-mentioned channel judge module 3 mid bands not in the information of multicast, and one of control real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel; Channel information transport module 4 is used for this switched digital video channel information of broadcast of receiving channels judge module 3 and 4 outputs of channel allocation module, and returns the information of playing this switched digital video channel; Session keeps module 5 to be used for keeping the switched digital video session when broadcasting described switched digital video channel; Session is differentiated and is stopped the control that playing module 7 is subjected to above-mentioned session to keep module 5, when being used for all the switched digital video sessions disconnections on this switched digital video channel, stops to play this channel program, discharges corresponding frequency resource.
In the present embodiment, above-mentioned channel list forms the front-end information that module 1 further comprises the play parameter of the headend equipment that is used to obtain all digital video broadcast systems and obtains unit 11; Be used to gather the watching data collecting unit 12 of viewing-data; Be used for generating the rating seniority among brothers and sisters according to described viewing-data and be distributed to the real time streaming transport protocol server, the electric program menu that generates electric program menu and distribution on described real time streaming transport protocol server generates and Dispatching Unit 13.And above-mentioned session is set up module 2 and is further comprised and be used for judging that according to described electric program menu when advancing into whether switched digital video channel of channel, in this way, the RTSP request of sending the RTSP request to described real time streaming transport protocol server forms unit 21; Accept described RSTP request and form the request that the unit sends, set up the RTSP session and inquire about the parameter query unit 22 of this digital video channel, wherein, described parameter comprises channel frequency and server identification code.
Above-mentioned each functional module, unit form by software, and may be distributed on the different physical supports, in the present embodiment, and on a plurality of servers, system or the terminal of above-mentioned each module distribution in Fig. 3.
Fig. 4 is based on physically structural representation in the said apparatus, in Fig. 4, this device comprises based on physical structure: the whole network QAM resource management system, and it is in charge of all QAM resource informations of the whole network, comprises IP address, nodal information, spectrum information of all QAM or the like; The user behavior analysis system is used for being responsible for analyzing viewing-data at this programme, and the audience ratings of statistics channel in some cycles; The RTSP Control Server is used for center RTSP Control Server and is responsible for the QAM scheduling of resource of a plurality of nodes of the whole network, VOD session proxy, SDV conversational services, and is responsible for the channel EPG information clean culture of each node is given QAM and is issued to set-top box; Node R TSP Control Server is responsible for this node QAM scheduling of resource, VOD session proxy and SDV conversational services, and is responsible for the channel EPG information clean culture of this node is given QAM and is issued to set-top box; Television direct broadcast system is used for being responsible for integrated exterior content, such as satellite channel, and carries out transcoding, and scrambling is multiplexing, and last multicast distribution is to QAM; Terminal management system is used for mainly being in charge of all set-top box devices at native system, collects user watched daily record data; QAM equipment is responsible for programme televised live stream, VOD program stream and channel EPG information etc. are broadcast to set-top box by HFC; The VOD server provides the VOD service based on the RTSP session protocol, and the program that the user is asked is distributed to the set-top box broadcast by QAM; The set-top box users terminal equipment is responsible for the request server content, receive VOD video flowing, direct broadcast band stream, and the demultiplexing decoding is play.
For physical structure among Fig. 4, on original VOD RTSP session protocol, expand in the present embodiment, not only can carry the SDP media session information, also can carry the SDV session information.Support the SDV session therefrom.RTSP acting server to the VOD system improves, and increases QAM scheduling of resource function, and can dispose at the center, also can distributed deployment to each node, perhaps both modes of combining all can.Node server is responsible for RTSP session proxy of this node and the QAM scheduling of resource of this node.RTSP acting server after the improvement, we are called the RTSP Control Server in this programme.Use terminal management system to gather viewing-data, and go out all channels in the audience ratings of each node seniority among brothers and sisters by the user behavior analysis system statistics, and the result is distributed to the RTSP Control Server, last RTSP Control Server uses SDV to broadcast mode according to which channel of seniority among brothers and sisters decision, and channel EPG information is handed down to set-top box, and in the EPG information, increase the SDV tag field.On set-top box, increase SDV channel recognition capability,, use RTSP agreement and RTSP Control Server to negotiate channel and broadcast frequency point information for the visit of SDV channel.After obtaining information such as channel frequency, ServiceID, frequency locking and demultiplexing, decoding are play again.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method that realizes switched digital video on hybrid fiber coax is characterized in that, comprises the steps:
A) form, distribute the channel list of also automatic regular update switched digital video;
B) enter the switched digital video channel, set up the switched digital video session, inquire about the described digital video channel information that enters;
C) do you judge that whether described channel is just at multicast? in this way, execution in step E); As denying execution in step D);
D) one of real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel, and carries out next step;
E) return the information of playing described switched digital video channel;
F) broadcast described switched digital video channel and keep the switched digital video session.
2. the method that realizes switched digital video on hybrid fiber coax according to claim 1 is characterized in that described steps A) further comprise:
A1) obtain the play parameter of the headend equipment of all digital video broadcast systems;
A2) gather viewing-data;
A3) generate the rating seniority among brothers and sisters according to described viewing-data and be distributed to the real time streaming transport protocol server, on described real time streaming transport protocol server, generate electric program menu and distribution.
3. the method that realizes switched digital video on hybrid fiber coax according to claim 2 is characterized in that described step B) in further comprise:
B1) judge when advancing into whether switched digital video channel of channel according to described electric program menu, in this way, send the RTSP request to described real time streaming transport protocol server;
B2) parameter of setting up the RTSP session and inquiring about this digital video channel, described parameter comprise channel frequency and server identification code.
4. the method that realizes switched digital video on hybrid fiber coax according to claim 3 is characterized in that described step D) in further comprise: distribute idle frequency to be used to play described switched digital video channel.
5. the method that realizes switched digital video on hybrid fiber coax according to claim 4 is characterized in that described step e) further comprise:
E1) return the frequency and the server information of identification code of described channel;
Or E2) on selected idle frequency, broadcasts described channel program and return the frequency and the server information of identification code of described channel.
6. according to any described method that on hybrid fiber coax, realizes switched digital video of claim 1-5, it is characterized in that, also comprise the steps:
When G) all the switched digital video sessions on the described switched digital video channel disconnected, the headend equipment of described digital video broadcast system stopped to play this channel program, discharges corresponding frequency resource.
7. a device of realizing switched digital video on hybrid fiber coax is characterized in that, comprising:
Channel list forms module: be used to form, distribute also the channel list of regular update switched digital video automatically;
Module is set up in session: be used for setting up the switched digital video session when entering the switched digital video channel, inquire about this channel information;
Channel judge module: be used to judge that whether described channel is just at multicast;
Channel allocation module: be used to receive above-mentioned channel judge module mid band not in the information of multicast, and one of control real time streaming transport protocol server-assignment has the headend equipment of the digital video broadcast system of free space to be used to play described channel;
Channel information transport module: be used to receive the described switched digital video channel information of broadcast of described channel judge module and the output of channel allocation module, and return the information of playing described switched digital video channel and set up module to described session;
And session keeps module: be used for keeping when broadcasting described switched digital video channel the switched digital video session.
8. the device of realizing switched digital video on hybrid fiber coax according to claim 7 is characterized in that, described channel list forms module and further comprises:
Front-end information obtains the unit: the play parameter that is used to obtain the headend equipment of all digital video broadcast systems;
Watching data collecting unit: be used to gather viewing-data;
Electric program menu generates and Dispatching Unit: be used to receive described front-end information and obtain the play parameter of unit output and the viewing-data that described data acquisition unit is gathered, and generate the rating seniority among brothers and sisters according to described viewing-data and be distributed to the real time streaming transport protocol server, on described real time streaming transport protocol server, generate electric program menu and distribution.
9. the device of realizing switched digital video on hybrid fiber coax according to claim 8 is characterized in that described session is set up module and further comprised:
RTSP request forms the unit: be used for judging when advancing into whether switched digital video channel of channel according to described electric program menu, in this way, send the RTSP request to described real time streaming transport protocol server;
Parameter query unit: accept described RSTP request and form the request that the unit sends, set up the RTSP session, inquire about the parameter of this digital video channel; Described parameter comprises channel frequency and server identification code.
10. the device of realizing switched digital video on hybrid fiber coax according to claim 9 is characterized in that, also comprises:
Session is differentiated and is stopped playing module: be subjected to described session to keep module controls, when being used for all the switched digital video sessions disconnections on described switched digital video channel, stop to play this channel program, discharge corresponding frequency resource.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188575A (en) * | 2011-12-28 | 2013-07-03 | 东方有线网络有限公司 | Method for realizing switched digital video system based on real time streaming protocol (RTSP) |
| CN103327372A (en) * | 2013-06-06 | 2013-09-25 | 深圳市龙视传媒有限公司 | Method, server and system for pushing video streams of switching type videocast |
| CN105187847A (en) * | 2015-09-09 | 2015-12-23 | 深圳创维数字技术有限公司 | Distributed network television live broadcast method, device, video gateway and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798329A (en) * | 2004-12-08 | 2006-07-05 | 阿尔卡特公司 | Internet protocol video delivery in passive optical networks |
| CN101232389A (en) * | 2007-01-22 | 2008-07-30 | 华为技术有限公司 | System, equipment and method for providing multicast business |
| US20080244679A1 (en) * | 2007-03-28 | 2008-10-02 | Kanthimathi Gayatri Sukumar | Switched digital video client reverse channel traffic reduction |
| CN101350911A (en) * | 2007-07-18 | 2009-01-21 | 通用仪表公司 | Method and apparatus for controlling the bandwidth of SDV programming supplied to an edge device in a SDV system |
-
2010
- 2010-12-10 CN CN 201010583617 patent/CN102014270B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798329A (en) * | 2004-12-08 | 2006-07-05 | 阿尔卡特公司 | Internet protocol video delivery in passive optical networks |
| CN101232389A (en) * | 2007-01-22 | 2008-07-30 | 华为技术有限公司 | System, equipment and method for providing multicast business |
| US20080244679A1 (en) * | 2007-03-28 | 2008-10-02 | Kanthimathi Gayatri Sukumar | Switched digital video client reverse channel traffic reduction |
| CN101350911A (en) * | 2007-07-18 | 2009-01-21 | 通用仪表公司 | Method and apparatus for controlling the bandwidth of SDV programming supplied to an edge device in a SDV system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188575A (en) * | 2011-12-28 | 2013-07-03 | 东方有线网络有限公司 | Method for realizing switched digital video system based on real time streaming protocol (RTSP) |
| CN103327372A (en) * | 2013-06-06 | 2013-09-25 | 深圳市龙视传媒有限公司 | Method, server and system for pushing video streams of switching type videocast |
| CN105187847A (en) * | 2015-09-09 | 2015-12-23 | 深圳创维数字技术有限公司 | Distributed network television live broadcast method, device, video gateway and system |
| CN105187847B (en) * | 2015-09-09 | 2019-04-26 | 深圳创维数字技术有限公司 | A kind of distributed network live telecast method, apparatus, video gateway and system |
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