CN211580114U

CN211580114U - Video on demand system based on one-way digital television set top box

Info

Publication number: CN211580114U
Application number: CN201922437447.6U
Authority: CN
Inventors: 郑庆刚; 肖红革; 冯群
Original assignee: Northern United Radio And Tv Network Co ltd
Current assignee: Northern United Radio And Tv Network Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-25
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a video on demand system based on one-way digital television set-top box, including smart mobile phone (4), STB (2), TV set (3) and video on demand subsystem (1), STB (2) are one-way digital television set-top box, and it links to each other with TV set (3) through three-colour line or HDMI line, video on demand subsystem (1) have on demand unit (11), SRMS unit (12) and IPQAM unit (13), smart mobile phone (4) link to each other with on demand unit (11) through mobile communication network. The utility model has the advantages of need not the network and reform transform, need not to change the STB that updates, easy operation is convenient, accord with user's use custom.

Description

Video on demand system based on one-way digital television set top box

Technical Field

The utility model relates to the technical field of communication, concretely relates to video-on-demand system based on one-way digital television STB.

Background

The digital television broadcasting network is a transmission network formed by mixing optical fibers and coaxial cables, and has the advantages of low construction cost, available residual frequency point resources under the condition of transmitting more than two hundred sets of high-definition digital television programs with high quality, but no bidirectional transmission function of an IP network, and incapability of meeting the video on demand requirements of users.

With the development of internet technology, cable network operators have found a method for realizing the bidirectional transmission function of the IP network by modifying the digital television network, so that the video-on-demand function can be realized by combining the bidirectional digital television network set-top box with the IP network in the digital television network, but at present, the following defects still exist:

1. more than half of the digital television users in provinces and cities across the country still have the network to carry on the two-way IP functional transformation, can't meet the needs of the video on demand of users, if want to finish all digital television network transformation, the investment is enormous, and still need to change unidirectional set-top box into two-way set-top box at the same time, the comprehensive cost is higher;

2. even if the network transformation is completed, due to the noise problem of the coaxial network, the construction and maintenance costs of the bidirectional IP network are higher, and the network bandwidth and the use effect are inferior to those of optical fiber networks of other operators.

In view of the above, some provincial and municipal cable television network companies adopt an optical fiber home-entry full-network IP scheme to abandon the original digital television network, which causes huge waste.

In addition, the existing digital television set top box has the conditions of complex operation, difficult upgrading, poor adaptability to new applications and the like.

Therefore, a video-on-demand system that can fully utilize the low-cost and high-performance downlink transmission resources of the existing digital television network, can effectively complete uplink interaction, is simple to operate, and can better meet the user requirements is urgently needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above problems, the present inventors have conducted intensive research to design a video-on-demand system based on a one-way digital tv set-top box, which uses a smart phone 4 to send a video-on-demand request to a video-on-demand unit 11 instead of the set-top box 2, thereby completing video-on-demand, and comprises a video-on-demand subsystem 1, a set-top box 2, a tv 3 and a smart phone 4,

the set-top box 2 is a unidirectional digital television set-top box which is connected with a television 3 through a three-color line or an HDMI line,

the video-on-demand subsystem 1 is provided with an on-demand unit 11, an SRMS unit 12 and an IPQAM unit 13,

the on-demand unit 11 is respectively connected with the SRMS unit 12 and the IPQAM unit 13, and the IPQAM unit 13 is connected with the set top box 2 through a hybrid network of optical fibers and coaxial cables;

the on-demand unit 11 can acquire a program file from a network, generate the program file into a video stream, and transmit the video stream to the IPQAM unit 13; the on-demand unit 11 can also receive a push stream on-demand request initiated by the smart phone, communicate with the SRMS unit 12, apply for frequency point resources,

the on-demand unit (11) comprises an I2000 subunit, a CMS subunit, an EPG subunit and an HMS media server, wherein the I2000 subunit is a management unit and is connected with other subunits, servers, an SRMS unit 12 and an IPQAM unit 13;

the SRMS unit 12 is a unit for managing IPQAM resources, and is capable of allocating frequency point resources and serviceID, and after receiving a frequency point resource application transmitted by the on-demand unit 11, returns information containing the frequency point and serviceID to the on-demand unit 11,

the IPQAM unit 13 receives the instruction information containing the frequency point and the serviceID and the video stream transmitted by the on-demand unit 11, outputs a TS stream with the frequency point and the serviceID according to a UDP protocol,

the I2000 subunit is a Huacheng VOD network management system,

the CMS subunit is the IPTV CMS system,

the EPG unit is an IPTV EPG system.

The smart phone 4 is connected with the on-demand unit 11 through a mobile communication network.

The stream pushing and ordering request of the smart phone 4 comprises IPQAM group number information and smart card number information.

The IPQAM unit 13 is capable of delivering the TS stream with the IPQAM set number information to the set-top box 2 via a hybrid fiber and coax network,

and the video stream with the IPQAM group number information is transmitted to the set top box 2 through a fixed frequency point and a fixed serviceID.

The set-top box 2 is a one-way digital television set-top box.

The smart phone 4 sends an IPQAM stream pushing on-demand request to the on-demand unit 11.

The set-top box 2 receives the TS stream with the IPQAM group number information through the fixed frequency point and the fixed serviceID, decodes the TS stream to obtain the IPQAM group number therein, transmits the IPQAM group number and the intelligent card number to the television 3, and displays the two-dimensional code with the IPQAM group number and the intelligent card number information through the television 3.

The smart phone 4 scans the two-dimensional code displayed by the television 3, so that the smart phone 4 obtains the information of the IPQAM group number and the smart card number, and initiates an IPQAM stream pushing request containing the IPQAM group number and the smart card number to the on-demand unit 11 through the mobile communication network.

After receiving the IPQAM stream pushing request, the on-demand unit 11 applies for a frequency point resource to the SRMS unit 12, the SRMS unit 12 returns information containing a frequency point and a serviceID to the on-demand unit 11, the on-demand unit 11 transmits the information of the frequency point, the serviceID and the intelligent card number to the IPQAM unit 13, and the IPQAM unit 13 writes the information into a TS stream of the fixed frequency point and the fixed serviceID and transmits the information to the set top box 2 through a mixed network of optical fibers and coaxial cables.

The set-top box 2 identifies the frequency point and serviceID information corresponding to the intelligent card number by comparing the intelligent card number in the TS stream, and transmits the information that the synchronization is successful to the television 3 after the identification.

The smart phone 4 sends a video file pushing request to the on-demand unit 11, after receiving the pushing request, the on-demand unit 11 generates a video stream from the program file, and transmits the video stream and the frequency point and serviceID information transmitted by the SRMS (12) to the IPQAM unit 13, and the IPQAM unit 13 outputs a TS stream according to a UDP protocol.

And the set top box 2 decodes the TS stream transmitted by the corresponding IPQAM unit 13 according to the acquired frequency point and serviceID information, and then transmits the TS stream to the television 3.

The utility model discloses the beneficial effect who has includes:

1) the resources of a mobile communication network of the mobile phone and a digital television broadcasting network are fully utilized, the video on demand function is realized, the network reconstruction is not needed, and a new set top box is not needed to be replaced.

2) The mobile phone is used for completing operations such as video page browsing, video file query, video file playing and the like, is simple and convenient, and accords with the use habit of a user.

3) The problems of difficult upgrading of the set-top box, complex operation and the like are solved.

4) An application scene for realizing video on demand by combining a mobile communication network and a digital television broadcasting network is created, the application promotes the fusion development among networks and also promotes the progress of a three-network fusion technology.

Drawings

Fig. 1 shows a schematic structural diagram of a video-on-demand system based on a unidirectional digital television set-top box according to a preferred embodiment of the present invention.

The reference numbers illustrate:

1-a video-on-demand subsystem;

11-a dibble seeding unit;

12-SRMS unit;

13-IPQAM unit;

2-a set-top box;

3-a television set;

4-smart phone.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments. The features and advantages of the present invention will become more apparent from the description. In which, although various aspects of the embodiments are shown in the drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

The utility model provides a video on demand system based on one-way digital television set-top box, the system includes video on demand subsystem 1, STB 2, TV set 3 and smart mobile phone 4.

The video-on-demand subsystem 1 is connected with the set-top box 2 through an optical fiber and coaxial cable hybrid network, and the set-top box 2 is connected with the television 3 through a three-color wire or an HDMI wire.

In a preferred embodiment, a video-on-demand subsystem 1 may be connected to a plurality of set-top boxes 2.

the on-demand unit 11 can acquire a program file from a network, generate the program file into a video stream, and transmit the video stream to the IPQAM unit 13;

the on-demand unit 11 can also receive an IPQAM stream pushing on-demand request, communicate with the SRMS unit 12, apply for frequency point resources,

further, the IPQAM stream pushing and order requesting request comprises IPQAM group number information and intelligent card number information.

According to the present invention, the on-demand unit 11 is a unit with VOD function, and includes an I2000 sub-unit, a CMS sub-unit, an EPG sub-unit and an HMS media server,

further, the I2000 subunit is a management unit, which is connected to other subunits, the server, the SRMS unit 12 and the IPQAM unit 13, and can perform unified management and maintenance on the units connected thereto, and provide a real-time monitoring and warning function for the entire system, and further, the I2000 subunit is also connected to a mobile communication network through a network, so that it can communicate with the smart phone 4.

In a preferred embodiment, the I2000 subunit is a hua ye network management system.

The CMS subunit provides content management functions including injection and maintenance of content and content metadata, such as the IPTV CMS system.

The EPG unit has organized content data for presentation to end users and performs business operations in a business subsystem according to user requests, such as the hua-is IPTV EPG system.

The HMS media server is a core device for media storage and media distribution. HMS can be according to user's request, provides streaming media service to the user, and it can be local server, also can be the high in the clouds server the utility model discloses in do not specially limit, as long as can provide required streaming media service can.

In a preferred embodiment, the on-demand unit 11 is an IPTV _ V100R003 system, which integrates all the sub-units to provide comprehensive services. The SRMS unit 12 is a unit for managing IPQAM resources, and can allocate frequency point resources and serviceids to distinguish different TS streams.

Further, after receiving the frequency point resource application transmitted by the on-demand unit 11, the SRMS unit 12 returns information containing the frequency point and the serviceID to the on-demand unit 11, so that the on-demand unit 11 can confirm the frequency point and the serviceID used by the TS stream requested by the user, and transmit the information containing the frequency point and the serviceID to the IPQAM unit 13.

According to the utility model discloses, SRMS unit 12 can be any kind and have the unit that can manage the IPQAM resource, for example hua be IP-TV IPQAM resource management subsystem, and it has the maintenance of physics IPQAM, logic IPQAM, IPQAM resource, IPQAM grouping information, binding relation, realizes that physics IPQAM corresponds functions such as with the logic of grouping ID, can also dock with other on-demand systems, realizes the IPQAM propelling movement of on-demand stream jointly. The IPQAM unit 13 is connected with the on-demand unit 11, receives the instruction information and the video stream containing the frequency point and the serviceID transmitted by the on-demand unit 11, and outputs the TS stream with the frequency point and the serviceID according to a UDP protocol.

Further, according to the utility model discloses, IPQAM unit 13 can pass through optic fibre and coaxial cable hybrid network to STB 2 transmission have the TS stream of IPQAM group number information, and IPQAM group number is the identification information who confirms 2 network position of STB.

The IPQAM unit 13 is preferably Harley NSG 9000-6G.

Furthermore, the video stream with the IPQAM group number information is transmitted to the set-top box 2 through a fixed frequency point and a fixed serviceID, and the IPQAM group numbers received by the set-top box that is not in the same IPQAM group are different, the utility model discloses in, there is no special requirement for the frequency point and serviceID, as long as set up the same in the IPQAM unit 13 and the set-top box 2, can make the set-top box 2 correctly receive, for example, the frequency point is 666MHZ, the serviceID is 41.

The set-top box 2 is capable of receiving and decoding the TS stream, passing it on to the television set 3 for playing,

furthermore, the set-top box 2 is also inserted with a corresponding smart card, the smart card number is the only identifier used by the set-top box user for billing authentication, and the smart card number of each set-top box 2 is different to distinguish different set-top boxes 2 in the system.

According to the invention, the set top box 2 can also decode TS stream, obtain the carried frequency point, serviceID information and IPQAM group number information, transmit the IPQAM group number and the intelligent card number information to the television 3, and find out the corresponding TS stream according to the frequency point and serviceID information.

The utility model discloses in, set-top box 2 is preferred one-way digital television set-top box, more preferably does not have the set-top box of middleware system software function, for example create dimension HC7620 to reduce system cost, middleware system software function means the software part that is located between inside real-time operating system of digital television set-top box and the application for shield the difference between each hardware platform, operating system and the database, it exists with application program interface API's form, whole API set is stored in the memory of set-top box, require higher to memory and set-top box treater, reduce the middleware system, can show reduction set-top box hardware requirement, reduce system cost.

Because the set-top boxes in the original digital television network all meet the conditions, the set-top boxes do not need to be replaced, the waste of equipment is avoided, and the investment of system reconstruction is reduced.

Smart mobile phone 4 links to each other through the on-demand unit 11 among mobile communication network and the video on-demand subsystem 1 for on-demand unit 11 can communicate with smart mobile phone 4 the utility model discloses in, there is not special requirement to smart mobile phone 4's system, model, as long as can accomplish scan two-dimensional code and communication function can.

The utility model discloses in, adopt smart mobile phone 4 to replace STB 2 to send IPQAM plug flow on demand request to on demand unit 11, on demand unit 11 passes through optic fibre and coaxial cable hybrid network according to this request and pushes away the video stream to STB 2, shows video content on the television screen after decoding by STB 2.

Specifically, after the set top box 2 receives the TS stream with the IPQAM group number information through the fixed frequency point and the fixed serviceID, the TS stream is decoded to obtain the IPQAM group number therein, the IPQAM group number and the smart card number are transmitted to the television 3, and the television 3 displays the information with the IPQAM group number and the smart card number, preferably, the information is displayed in a two-dimensional code form.

The smart phone 4 scans the two-dimensional code displayed by the television 3, so that the smart phone 4 acquires the information of the IPQAM group number and the smart card number, after the smart phone 4 acquires the information, the smart phone 4 initiates an IPQAM stream pushing request containing the IPQAM group number and the smart card number to the on-demand unit 11 through the mobile communication network,

the smart phone 4 interacts with the on-demand unit 11 through the mobile communication network to replace the set-top box 2 to interact with the on-demand unit 11, and the method solves the problem that the set-top box 2 can realize video on demand only by being connected with a bidirectional IP network.

After receiving the IPQAM stream pushing request, the on-demand unit 11 applies for a frequency point resource to the SRMS unit 12, the SRMS unit 12 returns information containing a frequency point and a serviceID to the on-demand unit 11, the on-demand unit 11 transmits the information of the frequency point, the serviceID, the intelligent card number and the like to the IPQAM unit 13, and the IPQAM unit 13 writes the information into a TS stream of the fixed frequency point and the fixed serviceID and transmits the information to the set top box 2 through a fiber and coaxial cable hybrid network.

The set-top box 2 identifies the frequency point and the serviceID information corresponding to the intelligent card number by comparing the intelligent card number in the TS stream, and transmits the information which is successfully synchronized to the television 3 after identification, so that the television 3 can display the information to the user.

In a preferred embodiment, the information includes a prompt for the user to click on the interface of the smartphone 4 for playback.

After a user clicks an interface of the smart phone 4, the smart phone 4 sends a video file pushing request to the on-demand unit 11, the on-demand unit 11 generates a video stream from a program file after receiving the pushing request, transmits the video stream and frequency point and serviceID information transmitted by the SRMS unit 12 to the IPQAM unit 13, and the IPQAM unit 13 outputs a TS stream according to a UDP protocol.

Because the set-top box 2 has the same information such as frequency point, serviceID and the like, it can decode the TS stream from the IPQAM unit 13 and transmit the TS stream to the television 3 to realize the playing of the on-demand program.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", and the like indicate the position or positional relationship based on the operation state of the present invention, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention has been described above in connection with preferred embodiments, which are merely exemplary and illustrative. On this basis, can be right the utility model discloses carry out multiple replacement and improvement, these all fall into the utility model discloses a protection scope.

Claims

1. A video-on-demand system based on a one-way digital television set-top box comprises a video-on-demand subsystem (1), a set-top box (2), a television (3) and a smart phone (4),

the set-top box (2) is a unidirectional digital television set-top box which is connected with the television (3) through a three-color line or an HDMI line,

the video-on-demand subsystem (1) is provided with an on-demand unit (11), an SRMS unit (12) and an IPQAM unit (13),

the on-demand unit (11) is respectively connected with the SRMS unit (12) and the IPQAM unit (13), and the IPQAM unit (13) is connected with the set top box (2) through a hybrid network of optical fibers and coaxial cables;

the on-demand unit (11) can acquire a program file from a network, generate a video stream from the program file and transmit the video stream to the IPQAM unit (13); the on-demand unit (11) can also receive a push stream on-demand request sent by the smart phone (4), communicate with the SRMS unit (12) and apply for frequency point resources,

the on-demand unit (11) comprises an I2000 subunit, a CMS subunit, an EPG subunit and an HMS media server, wherein the I2000 subunit is a management unit and is connected with other subunits, the HMS media server, an SRMS unit (12) and an IPQAM unit (13);

the SRMS unit (12) is a unit for managing IPQAM resources, can allocate frequency point resources and serviceID, returns information containing the frequency point and the serviceID to the on-demand unit (11) after receiving the frequency point resource application transmitted by the on-demand unit (11),

the IPQAM unit (13) receives the instruction information and video stream containing the frequency point and the serviceID transmitted by the on-demand unit (11), outputs the TS stream with the frequency point and the serviceID according to a UDP protocol, transmits the TS stream with the IPQAM group number information to the set top box (2) through a hybrid network of optical fibers and coaxial cables,

the I2000 subunit is a Huacheng VOD network management system,

the CMS subunit is the IPTV CMS system,

the EPG unit is an IPTV EPG system,

the smart phone (4) is connected with the on-demand unit (11) through a mobile communication network.

2. The video-on-demand system based on the unidirectional digital television set-top box as claimed in claim 1, wherein the video stream with the IPQAM group number information is transmitted to the set-top box (2) through a fixed frequency point and a fixed serviceID.

3. The video-on-demand system based on one-way digital television set-top box according to claim 1,

the smart phone (4) sends an IPQAM stream pushing request to the on-demand unit (11).

4. The video-on-demand system based on one-way digital television set-top box according to claim 1,

the set top box (2) receives the TS stream with the IPQAM group number information through the fixed frequency point and the fixed serviceID, decodes the TS stream to obtain the IPQAM group number therein, transmits the IPQAM group number and the intelligent card number to the television (3), and displays the two-dimensional code with the IPQAM group number and the intelligent card number information through the television (3).

5. The video-on-demand system based on one-way digital television set-top box according to claim 1,

the intelligent mobile phone (4) scans the two-dimensional code displayed by the television (3) to enable the intelligent mobile phone (4) to acquire the information of the IPQAM group number and the intelligent card number, and initiates an IPQAM stream pushing request containing the IPQAM group number and the intelligent card number to the on-demand unit (11) through a mobile communication network.

6. The video-on-demand system based on one-way digital television set-top box according to claim 1,

after receiving the IPQAM stream pushing and on-demand request, the on-demand unit (11) applies for frequency point resources to the SRMS unit (12), the SRMS unit (12) returns information containing the frequency point and the serviceID to the on-demand unit (11), the on-demand unit (11) transmits the information of the frequency point, the serviceID and the intelligent card number to the IPQAM unit (13), the IPQAM unit (13) writes the information into TS streams of the fixed frequency point and the fixed serviceID, and the information is transmitted to the set top box (2) through a mixed network of optical fibers and coaxial cables.

7. The video-on-demand system based on one-way digital television set-top box according to claim 1,

the set-top box (2) identifies the frequency point and the serviceID information corresponding to the intelligent card number by comparing the intelligent card number in the TS stream, and transmits the information that the synchronization is successful to the television (3) after the identification.

8. The video-on-demand system based on one-way digital television set-top box according to claim 1,

the smart phone (4) sends a video file pushing request to the on-demand unit (11), the on-demand unit (11) generates a video stream from a program file after receiving the pushing request, and transmits the video stream and the frequency point and serviceID information transmitted by the SRMS unit (12) to the IPQAM unit (13), and the IPQAM unit (13) outputs a TS stream according to a UDP protocol.